Making your speakers (either powered or passive) or your subwoofer wireless is maybe a better option than buying completely new wireless speakers, subwoofers, or surround sound systems, especially if you can’t really spend a fortune on new audio equipment and if you’re perfectly happy with the performance of the existing setup.
Buying a wireless speaker kit is convenient and the most cost-efficient way of turning your wired speakers to wireless.
We are here today to talk about different types of wireless speaker kits, discuss the prices, give you tips on what to look for, and present to you our selection of 12 best wireless speaker kits.
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How Much Cheaper is Buying a Wireless Speaker Kit Than Buying New Wireless Speakers?
Well, that depends on what you want to do and what kind of performance you’re looking to achieve. Generally speaking, buying a wireless kit, will help you save some money. In some cases, you can save a significant amount.
A simple RF kit (transmitter and receiver) will cost you less than $100. In some cases, it will cost you less than $50. RF kits are a good choice for subwoofers and, sometimes, for powered speakers (if you don’t need them to receive Bluetooth or wi-fi signal).
Cheaper Bluetooth receivers and complete Bluetooth kits will cost also cost you $50-$100. High-quality Bluetooth receivers (those with aptX or aptX HD support and with a higher-quality DAC built inside) will cost you up to $200.
You can find a good wi-fi adapter for $200. These adapters usually also feature Bluetooth connectivity and have analog and digital audio outputs.
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How to Convert Wired Speakers to Wireless?
Depending on the type of speakers you want to make wireless (powered speakers, passive speakers, subwoofer) and the kind of performance you want to get, you will have to use different kinds of wireless speaker kits.
Do you want to add Bluetooth connectivity or wi-fi connectivity to your powered speakers? Do you want to make your passive surround speakers wireless?
Do you want to make your subwoofer wireless and avoid connecting it to the AV receiver or stereo amp?
In all these cases, you will have to use a different kind of wireless speaker kit (RF kit, Bluetooth kit, Bluetooth/wi-fi kit, RF kit with built-in amplification, etc.).
Convert Your Wired Powered Subwoofer to Wireless
The easiest and most reliable way to make your powered subwoofer wireless is to buy an RF kit. RF (radio frequency) kits are quite affordable (in most cases, they are priced under $100 or even under $50) and offer perfectly stable connection without any signal loss.
RF kits consist of two units – an RF transmitter and an RF receiver. Both units are powered. The transmitter connects to the subwoofer output of a non-wireless audio source (AV receiver, stereo amplifier, soundbar) and the receiver connects to the subwoofer input.
Most RF kits can also be used with powered speakers if you want to send audio from a non-wireless audio source (like a stereo amp, CD player, mp3 player, etc.).
However, you must have in mind that using an RF kit doesn’t make your powered speakers Bluetooth-enabled or wi-fi-enabled.
These kits use only radio frequencies (usually 2.4GHz or 5.8GHz) and are not the same thing as Bluetooth kits (Bluetooth transmitter + Bluetooth receiver) or Bluetooth/wi-fi kits.
Convert Active/Powered Wired Speakers to Wireless
There are multiple ways to convert your old powered speakers to wireless. One of the options is using an RF kit, which we discussed a moment ago.
If you want to make your powered speakers Bluetooth-enabled, you will either have to use a Bluetooth receiver (if you want to stream music from sources that are already Bluetooth-enabled – like your smartphone, PC, laptop, Mac, etc.) or a full Bluetooth kit (Bluetooth transmitter + Bluetooth receiver).
A full kit is used when you want to send audio from a non-Bluetooth source to non-Bluetooth speakers.
If you want to add wi-fi connectivity (and some additional features like Airplay, Bluetooth connectivity, etc.) to your old powered speakers, you will have to use a wi-fi adapter. These adapters don’t come in two (there’s no transmitter and receiver).
They basically have the same working principle as Google Chromecast. You are supposed to connect the adapter to your speaker’s inputs and then use other wi-fi sources (phones, tablets, PCs, Macs, etc.) and some app to stream audio wirelessly.
Convert Passive Wired Speakers to Wireless
A growing number of wireless surround sound systems come with wireless surround speakers or with a simple receiver that receives the signal from the central unit (usually a soundbar) and then amplifies that signal and sends it to the surround speakers connected to it.
In this case, those passive surround speakers are not entirely wireless and they have to be connected to the receiver, but you don’t have to do the wiring from the main unit to the surround speakers.
So, if you have a standard wired home theater speaker system and you want to make your passive surround speakers wireless (to avoid the wiring of surround speakers), you can use a universal RF kit (transmitter and receiver) but you need a special kind of RF receiver with a built-in amplifier.
You can do this with any pair of passive speakers – you can, for example, use two passive speakers as your desktop speakers.
However, you must remember that these kits don’t make the speakers wi-fi or Bluetooth-enabled. They use a different kind of wireless signal.
If you want to add wi-fi and Bluetooth connectivity to your passive speakers, buy a stereo amplifier with Bluetooth and wi-fi connectivity.
Now that you know what you need for every setup, let’s move onto our selection of 12 best wireless speaker kits. The selection is divided into three sections. If you want to make your subwoofer wireless, read the first one.
If you are looking for a speaker kit for your passive surround speakers, read the second section. If you are looking for the best Bluetooth receiver or Bluetooth/wi-fi kit for your powered speakers, read the third section.
BEST WIRELESS SPEAKER KITS FOR SUBWOOFERS
The most convenient and affordable solution for powered subwoofers are simple RF kits. Just connect the transmitter to the subwoofer output on your receiver (or soundbar) and connect the receiver to the subwoofer’s input.
Best Cheap Wireless Subwoofer Kit – iFinity Wireless Audio Transmitter/Receiver
Editor’s Rating: [usr 4.6]
Impressions
You will get two simple and cheap-looking boxy devices with all the necessary cables (power cables and RCA cables) so there’s no need to buy any equipment separately. The units are clearly labeled – transmitter and receiver.
Each unit has the exact same design. You have RCA input and DC 7.5V input on the back of the transmitter and RCA output and 7.5V power input on the back of the receiver. There’s an LED indicator and pairing button on the top.
The installation is simple and fast – basically plug-and-play. Connect the transmitter to the source (AV receiver, stereo amp), connect the receiver to your subwoofer (or powered speakers), plug them in, press the pairing button on each unit, and you’re ready to go.
The kit provides very good and reliable performance. The advertised max range is 200ft but you will get approx. 50ft in real-life conditions (indoors).
The transmitter uses frequency hopping technology to avoid interference with other wireless equipment.
One transmitter can send audio to up to 4 receivers, which allows you to make a nice multiroom system.
Advantages
- Simple and super-compact
- Plug-and-play installation
- Works with powered subwoofers and powered speakers
- One transmitter can send the signal to 4 receivers
- 50ft indoor range (200ft max)
- Frequency hopping technology for minimal interference
- Reliable performance within the advertised range
Disadvantages
- The whole kit looks really cheap
- The included RCA cables are of poor-quality
Best Wireless Speaker Kit for Subwoofers – SVS SPWADAPT
Editor’s Rating: [usr 4.8]
Impressions
SVS is known for great subwoofers. This SPWADAPT kit will work with SVS subs but also with any other powered subwoofer made by any other manufacturer. It will also work with powered speakers.
In the box, you will find two units, two USB power cables (two power adapters included), two audio interconnects (RCA to AUX), and a user manual.
Each unit has an AUX input and a USB power port on the front, and an LED pairing indicator and pairing button on the top panel.
The setup is smooth and fast. Connect the transmitter to the source device, connect the receiver to the sub, plug both units in, and press the pairing button on both units.
The kit delivers very good performance. The max range is 65ft but you will get 30-50ft indoors (depending on the room configuration).
The audio is streamed wirelessly at 16bit/48kHz and the frequency response is 6Hz-22kHz (+/- 1dB). One transmitter can send wireless audio to 3 receivers, so you can make a nice multiroom system.
The performance is stable and reliable within the above-mentioned indoor range.
Advantages
- Affordable
- Decent build quality
- Plug-and-play installation
- Works with powered subwoofers and powered speakers
- 30-50ft indoor range
- One transmitter can send audio wirelessly to 3 receivers (multiroom use)
- Reliable performance with minimal signal distortion
Disadvantages
- The included cables (audio and power cables) are only 2ft long (this can be a problem in some setups)
- The indicator lights on the transmitter and receiver are very bright
BEST WIRELESS SPEAKER KITS FOR PASSIVE SURROUND SPEAKERS
The best solution for passive surround speakers are universal wireless kits. These are also RF kits, but a special kind with receivers with built-in amplification. If you want to use a pair of passive speakers as your desktop or bookshelf speakers and you want them to be wireless, you can either use a transmitter/receiver kit with an amplified receiver or buy a stereo amplifier with Bluetooth/wi-fi connectivity.
Best Wireless Speaker Kit for Passive Speakers – DYNASTY PROAUDIO WSA-5RP
Editor’s Rating: [usr 4.9]
Impressions
This kit includes one transmitter and one receiver, stands for both units, speaker cable (6ft long x2), power cables, and manual.
At first glance, the units look the same. They both have the same front panels with a power button and a simple power/frequency indicator. The rear panels are a bit different.
The transmitter has spring-clip speaker terminals for two speakers (if your AV receiver doesn’t have preamp outputs for surround speakers, you will use these), one pair of line inputs (use them if your AV receiver has preamp outputs), subwoofer input, DC input, and one M button (use it to switch between 5.2GHz and 5.8GHz).
The receiver has higher-quality 5-way binding posts for connecting two passive surround speakers, subwoofer output, DC input, and the same M button as the transmitter.
The kit can work on either 5.2GHz or 5.8GHz. You can select 5.8GHz to avoid interference with your home network. The kit uses automatic frequency hopping to provide interference-free wireless performance (62 channels in 5.2GHz range and 44 channels in 5.8GHz range).
Within the line of sight, you will get up to 100ft of range. In real-life conditions, you should get 50-60ft. All the audio will be streamed at 24bit/48kHz quality.
The receiver has a built-in amplifier with an advertised power output of 50W per channel at 4Ω speakers (25W per channel at 8Ω).
The performance is very reliable within the advertised range. You won’t experience any signal loss or any other problem.
Advantages
- Compact and good-looking
- Hassle-free installation
- Works with passive speakers and powered subwoofers
- Works on 5.2GHz or 5.8GHz
- Uses automatic frequency hopping technology (106 available frequency channels)
- 50-60ft of range (100ft max)
- Streams audio in CD quality (24bit/48kHz)
- The receiver pushes 50W RMS per channel at 4Ω (25W at 8Ω)
- Reliable performance within the advertised range
Disadvantages
- Significantly pricier than regular RF kits
- The kit doesn’t work with powered speakers
Best Wireless Speaker Kit for Passive Speakers Under $100 – Amphony 1700
Editor’s Rating: [usr 4.6]
Impressions
This kit includes a circular transmitter, a boxy receiver, power cables, speaker cables, and an RCA cable.
The units don’t look the same so it’s easy to make a difference between the transmitter and receiver. The transmitter is circular.
It has a volume dial on the front and a pairing button and pairing indicator on the top panel. On the back, there’s a line input, spring-clip speaker inputs for two speakers, and a DC input.
The receiver is boxy and simple. It has only the Amphony logo on the top. All the connections and controls are on the rear panel. You have spring-clip speaker terminals for two speakers, a volume dial, and a DC input.
The kit works on 2.4GHz and uses automatic frequency hopping technology to avoid interference. One transmitter can send audio to 4 receivers. The advertised max range is 300ft (within the line of sight). In real-life, you will get up to 100ft (indoor range).
The advertised power output is 40W per channel but there’s no info on the impedance. So, it’s safer to assume that the given output is measured at 4Ω and that 40W is peak (not RMS) power output.
The kit works flawlessly within the 100ft range. The complications are possible if you have many wireless devices in your home that are already using the same 2.4GHz frequency.
Advantages
- Affordable (priced under $100)
- Super-compact
- Hassle-free setup
- Automatic frequency hopping for interference-free performance
- One transmitter can send audio to 4 receivers
- Good range – 100ft indoors (300ft max)
- 40W per channel
Disadvantages
- Cheap-looking
- Poor quality spring-clip speaker terminals
- Works on 2.4GHz like many other wireless devices (Bluetooth devices, wi-fi devices) – possible interference
BEST WIRELESS SPEAKER KITS FOR POWERED SPEAKERS
When it comes to powered speakers, you can use four types of devices. You can use a simple Bluetooth receiver (if you want to stream audio from sources that are already Bluetooth-enabled). You can use a Bluetooth speaker kit that consists of a Bluetooth transmitter and Bluetooth receiver if you want to stream audio from a non-Bluetooth source to non-Bluetooth speakers. The transmitter connects to a non-Bluetooth audio source (like a CD player) and the receiver connects to the speakers. If you want to add wi-fi connectivity, go for a wi-fi adapter. Finally, you can also use most of the RF kits designed for the subwoofers (you would use them the same way you use a Bluetooth speaker kit).
Bluetooth Receivers
Best Cheap Bluetooth Receiver – Logitech Bluetooth Audio Adapter
Editor’s Rating: [usr 4.8]
Impressions
Logitech receiver is one of the cheapest on the market and according to numerous positive reviews, it’s also one of the most reliable receivers in its price range.
The receiver comes with an AUX-to-RCA cable and a power adapter. The device is simple and boxy, but still looks attractive and has a nice-looking backlight.
The receiver has a pairing button on the top. On the rear panel, there’s the AUX output and the power input.
The device features Bluetooth 3.0 with a 45ft of range. Whenever the receiver pairs with your phone, you will hear a simple audio prompt. The receiver supports multipoint pairing (two devices can be paired with it at the same time).
The performance is very good, without any signal loss or cutout.
Advantages
- Cheap
- Compact
- Attractive design
- Simple installation and use
- Bluetooth 3.0 with 45ft of range
- Supports multipoint pairing
Disadvantages
- The pairing prompt is too loud
- Doesn’t support any of the aptX codecs
Best Bluetooth Receiver Under $200 – Audioengine B1
Editor’s Rating: [usr 4.8]
Impressions
Audioengine B1 is more of a high-end receiver with the latest Bluetooth version and some additional features.
The unit comes with a USB power cable (power adapter included), RCA cable, and manual. B1 also comes with a 3-year warranty.
The receiver looks like a mini wi-fi router. On the front side, there’s a Bluetooth antenna and a backlit pairing button. On the rear panel, you have an optical audio output, gold-plated RCA stereo outputs, and a 5V mini-USB power input.
B1 features Bluetooth 5.0 with up to 100ft of wireless range (more like 50ft indoors). The Bluetooth chip supports the most common SBC codec but also AAC, aptX, and aptX HD. The max audio latency is 30ms.
B1 has a built-in DAC (AKM4396) that supports 24bit/44kHz conversion.
Advantages
- Simple yet stylish design
- Great build quality
- Hassle-free installation (no software required)
- The latest Bluetooth version (BT 5.0)
- Up to 100ft of range (within the line of sight)
- Supports SBC, AAC, aptX, and aptX HD
- Built-in AKM4396 DAC – 24bit/44kHz conversion
Disadvantages
- Pricier than the majority of Bluetooth receivers on the market
Best Bluetooth Receiver Under $100 – Avantree Oasis Plus
Editor’s Rating: [usr 4.9]
Impressions
Looking for a cheap but equally capable and versatile receiver? Avantree Oasis Plus has all the same features as the previously reviewed Audioengine B1, but it’s more plasticky and doesn’t feel as high-end as B1.
Oasis Plus is actually a transceiver, which means transmitter and receiver in one device. It can’t do both things at the same time but you can select whether you want it to transmit the audio signal or to receive it (TX/RX switch).
Oasis Plus also looks like a mini wi-fi router. All the controls (touch-sensitive) and indicators are on the top, and all the inputs/outputs are on the back (AUX input and output + TOSLINK input and output arranged in TX and RX sections).
The receiver features Bluetooth 5.0 with SBC, aptX, aptX LL, and aptX HD support. The range is extended over 100ft (up to 160ft) and the connection is perfectly stable within the 100ft range, even with walls and other obstacles in the way.
Thanks to the aptX LL, the audio delay is not noticeable when watching video content (lower than 40ms).
The transceiver also features the Bypass mode – when connected to a soundbar via TOSLINK, it can play audio through the soundbar and transmit it wirelessly to Bluetooth headphones/speakers.
Advantages
- Affordable (priced under $80)
- Compact
- Simple and stylish design
- Easy to install and use
- Two operation modes – transmitter and receiver (+ Bypass mode)
- AUX input/output and optical TOSLINK input/output
- Bluetooth 5.0
- Extended range (up to 160ft)
- Supports multipoint pairing
- Supports SBC, AAC, aptX, atpX LL (lower than 40ms latency), and aptX HD
Disadvantages
- Plastic construction
- Loud and annoying voice prompts
- The unit doesn’t come with a power adapter (only a USB power cable) – it’s highly recommended to buy one
Auris Blume
Editor’s Rating: [usr 4.7]
Impressions
Auris Blume is another router-like Bluetooth receiver. Of all the reviewed receivers, this one is probably the most attractive-looking. It’s available in two colors – black and white.
On the front panel, there’s a Bluetooth antenna and a power button. On the back, you have an optical input, RCA input, and a micro USB power port. All the audio cables and power cable are included in the package.
The receiver uses the latest Bluetooth 5.0. The range reaches 100ft under ideal conditions (more like 50ft indoors). The unit supports aptX, aptX low latency, and aptX HD audio codecs.
The device uses Texas Instruments DAC (AK4396) which is a pretty good entry-level 24bit DAC. Regardless of the claims given in the product description, this is not a 32bit DAC (it’s not an audiophile material).
Advantages
- Compact
- Attractive design
- Simple installation
- Intuitive user interface
- Bluetooth 5.0
- Good range – 50ft indoors (up to 100ft under ideal conditions)
- Supports aptX, aptX LL, and aptX HD
- Built-in Texas Instruments 24bit DAC
Disadvantages
- There’s no output switch (audio is sent through both outputs at the same time)
- The unit is pricier than the majority of Bluetooth receivers on the market
Bluetooth Transmitter/Receiver Kits
The Most Compact Bluetooth Kit – Avantree Lock
Editor’s Rating: [usr 4.7]
Impressions
This is one of the smallest portable Bluetooth kits on the market. You will get one transmitter, one receiver, USB power/charging cables, and all the necessary audio cables.
Both units look exactly the same, at least at first glance (they look like hockey pucks). The transmitter has the TX label on the top and the receiver has the RX label. Both units have an AUX port (input on the transmitter, output on the receiver) and a micro USB power input.
The units are pre-paired so you just have to connect them to the source (transmitter) and to your headphones/speakers (receiver) and turn them on. You can also use each unit independently.
We weren’t able to find out which Bluetooth version these units use (not listed in the specs), but we know that both transmitter and receiver support aptX and aptX low latency, so the audio delay will be minimal. The range can reach 100ft under ideal conditions (50ft indoors).
Both units can be battery operated or powered through a USB cable (USB adapters are not included). According to the product specs, the transmitter will deliver up to 8h of playtime, while the receiver will deliver up to 6h. In reality, it’s more like 3h-3.5h of use.
Advantages
- Very budget-friendly
- Super-compact
- Easy to use
- The units (TX and RX) are pre-paired – you just have to turn them on
- Good Bluetooth range – up to 50ft indoors (100ft max)
- Both units support aptX and aptX LL
- Battery-operated transmitter and receiver
Disadvantages
- Power adapters are not included
- The battery lasts significantly shorter than advertised (up to 3.5h)
1Mii B03
Editor’s Rating: [usr 4.7]
Impressions
Similar to previously reviewed Avantree Oasis Plus, 1Mii B03 is a transceiver (transmitter and receiver in one device). As you probably know, one unit can’t do both jobs at the same time (it can’t receive and transmit audio simultaneously).
Instead, you need two of these units to make a kit, and you will have to use one as a transmitter and the other as a receiver.
All the controls and indicators are on the front and all the inputs/outputs are on the back. The connections are divided into TX and RX sections (each contains one AUX and one TOSLINK port).
The unit has three operating modes – transmitter, receiver, and bypass (sends audio wirelessly and lets the source device to play it at the same time).
1Mii B03 features Bluetooth 5.0 and has a very long range (100ft indoors/200ft outdoors). It supports multipoint pairing.
Also, it supports advanced audio codecs like aptX, aptX low latency, and aptX HD.
Advantages
- Affordable (less than $100 for two units)
- Easy installation
- Intuitive controls
- AUX and TOSLINK inputs/outputs
- Bluetooth 5.0 with an extended range (100ft indoors/200ft+ outdoors)
- Supports aptX, aptX low latency, aptX HD
- Supports multipoint pairing
Disadvantages
- Doesn’t come with a remote so you have to stand up to adjust settings, initiate pairing, or turn it off
RF Transmitter/Receiver Kits
DYNASTY PROAUDIO WSA-5TR
Editor’s Rating: [usr 4.8]
Impressions
WSA-5TR looks, at first glance, exactly the same as the previously reviewed WSA-5RP. However, this one doesn’t have a receiver with built-in amplification and it has different inputs/outputs. The kit is compatible with powered speakers and powered subwoofers.
You will get two units (transmitter and receiver), power cables and adapters, all the necessary audio cables, and a manual.
Each unit has a power indicator on the front panel. On the back of each unit, there a micro USB power input, M button, and RCA ports (RCA inputs on the transmitter and RCA outputs on the receiver).
Both units work on 5.8GHz frequency and use frequency hopping technology to prevent interference (45 available channels). One transmitter can send audio to 4 receivers.
The max range within the line of sight is 100ft. In real-life, you will get 40-50ft. The frequency response spans from 10Hz to 23kHz.
Advantages
- Affordable
- Compact
- Hassle-free installation (plug-and-play units)
- Compatible with powered speakers and subwoofers
- Works on 5.8GHz and uses frequency hopping
- Good range – 50ft indoors/100ft max
- One transmitter can send audio to 4 receivers
- Reliable performance within the advertised range
Disadvantages
- The indicator lights are very bright
Wi-Fi Kits/Wi-Fi Adapters
Audioengine B-Fi
Editor’s Rating: [usr 4.8]
Impressions
Audioengine B-Fi is basically an upgraded version of the previously reviewed B1 Bluetooth receiver. This unit looks exactly the same as B1 but has wi-fi instead of Bluetooth.
Just like B1, B-Fi has an antenna and a pairing button/indicator on the front. On the back, you have gold-plated RCA output, optical output, and a 5V micro USB power input.
So, there’s no difference between B1 and B-Fi when it comes to design and connections. But there’s a difference when it comes to internal components.
B-Fi features wi-fi connectivity. To connect this receiver to your wi-fi network, you can use the Audioengine Control app (for iOS and Android). This app can also be used to adjust the L/R balance and volume.
You can install multiple B-Fi units in different rooms and control them all with the app. Some of the most popular streaming apps and internet radios can be integrated and used through the app (Tidal, Apple Music, Spotify, Napster, TuneIn, iHeartRadio, QQMusic).
B-Fi also supports Airplay so you can stream music from your Apple device even without the Audioengine Control app.
B-Fi has a built-in ES9023 DAC (16bit/44kHz D/A conversion) and uses AP8064 ARM processor.
Even though it looks the same as B1, B-Fi doesn’t feature Bluetooth (only wi-fi). Keeping Bluetooth 5.0 and adding wi-fi connectivity, would make this unit much more versatile.
Advantages
- Priced under $200
- Compact
- Easy to install
- Super easy to use
- Wi-Fi connectivity
- Audioengine Control app
- Airplay support
- DLNA support
- ES9023 DAC (16bit/44kHz D/A conversion)
Disadvantages
- Doesn’t come with an optical cable (only RCA cable)
- Doesn’t support Airplay2 (only Airplay)
- Doesn’t feature Bluetooth connectivity (only wi-fi)
This concludes our article about 12 best wireless speaker kits. Hopefully, now you know what you need for your speakers. For additional guidelines and tips on what to look for when buying a wireless speaker kit, check out our Buyer’s Guide.
Things to Consider when Looking for a Wireless Speaker Kit
The list of features to consider depends on the type of kit you’re looking for. RF kits are the simplest, while Bluetooth and wi-fi kits have a few more features you should pay attention to.
RF kits
RF kits are the simplest of all the wireless kits. When buying an RF kit, you should consider the connections (usually AUX or RCA), the operating frequency (either 2.4GHz or 5.8GHz), and connection range and reliability.
When it comes to connections, look for those that meet your requirements.
Even if you buy something with an AUX output and your speakers have only RCA inputs (and vice-versa), you will just need a simple RCA to AUX cable.
Naturally, price is always an important factor but you don’t have to worry too much. Most of these wireless RF kits are priced under $100.
Bluetooth kits
When it comes to Bluetooth kits and Bluetooth receivers, there’re a few more things to consider.
Aside from Bluetooth version (higher is always better) and connection quality (range, stability), you should also pay attention to the supported Bluetooth codecs (codecs like aptX, aptX LL, aptX HD, and LDAC guarantee higher audio quality and fidelity), Bluetooth multipoint support (ability to pair two Bluetooth receivers with one transmitter and vice versa), and inputs and outputs (some transmitters have digital inputs while others have only analog so depending on the source and the available audio outputs on the source device, you will look for a different kind of transmitter).
As far as price is concerned, you can find a pretty good receiver for $50 or less. Great ones will cost you up to $200. You can find a complete Bluetooth kit for less than $100.
Wi-Fi kits/Wi-Fi audio adapters
If you need a wi-fi audio adapter (something like Chromecast audio), you will have to pay a bit more, but you can still find a great adapter for less than $200 (which is still cheaper than a pair of speakers with wi-fi connectivity).
These adapters sometimes also feature Bluetooth connectivity and support some advanced codecs from the aptX family.
So, What’s the Best Wireless Speaker Kit?
There can’t be one best wireless speaker kit for every purpose. Depending on the type of your setup, type of speakers, and desired results, different kinds of speaker kits will be required.
Our article about 12 best wireless speaker kits has something to offer for every purpose and every price range.
