KEF
KEF KW1 TX-RX System Wireless Subwoofer Adaptor Kit
Best wireless solution for clutter-free subwoofer placement in high-end audio systems.
Experience seamless wireless audio with the KEF KW1 TX-RX System, a wireless subwoofer adaptor kit designed for convenience and high performance. Operating in the 5GHz band, it delivers pristine audio up to 24-bit/48kHz with a latency of less than 17ms. The transmitter is USB-powered, while the receiver draws power directly from compatible KEF subwoofers. Enjoy flexible placement with a wireless range of up to 30 meters (line of sight) and secure data encryption. This kit is also ideal for KEF's LSX and LS50 Wireless Music Systems, with the receiver available separately to enable dual subwoofer connectivity.
$249.99
Owner Satisfaction
4.5
/ 5
Category Rank
108
/ 254
#108 in Wireless Transmitters
Price vs Category Average
-69%
Below average
Wireless Band
5
/ GHz
Who it's for
- Minimalists seeking a clutter-free living room aesthetic
- Audiophiles needing optimal subwoofer placement for better sound
- KEF owners wanting a quick and simple bass upgrade
Who should skip it
- Critical listeners sensitive to minor audio synchronization delays
- Budget-conscious buyers prioritizing core equipment over accessories
- Users with limited power outlets or complex cable management
Performance breakdown
Audio Fidelity
High-resolution 24-bit/48kHz transmission preserves the depth of your low-end frequencies.
Latency Performance
Sub-17ms delay ensures your subwoofer stays perfectly locked with the main speakers.
Wireless Stability
The 5GHz band effectively avoids interference from common household Wi-Fi traffic.
Setup Simplicity
Intuitive pairing makes integrating a wireless subwoofer feel effortless and quick.
Placement Flexibility
Thirty-meter range provides ample freedom to position subwoofers anywhere in the room.
System Integration
Seamlessly powers through KEF expansion ports for a clean, cable-free aesthetic.
Key Specs
Wireless Band
5GHz
Audio Resolution
Up to 24-bit/48kHz
Latency
Less than 17ms
Wireless Range
Up to 30m
Transmitter Power
USB
Receiver Power
Subwoofer expansion port
Compatibility
KEF LSX and LS50 Wireless Music Systems
Features
- High-bandwidth 5GHz wireless operation for clear audio transmission.
- Supports high-resolution audio up to 24-bit/48kHz.
- Low latency of less than 17ms ensures synchronized sound.
- Extended wireless range of up to 30 meters line of sight.
- Intuitive pairing process for easy setup.
- Secure data encryption for reliable performance.
- USB-powered transmitter for convenience.
- Receiver can be purchased separately for dual subwoofer setups.
What customers say
Customers consistently praise the KEF KW1 TX RX System for its exceptional ease of use and reliable performance. Setup is remarkably straightforward allowing users to quickly integrate their subwoofer wirelessly without complicated wiring. The system maintains a stable connection ensuring consistent audio delivery free from noticeable latency or signal drops. This provides a seamless and high quality wireless audio experience making it a highly valued addition for KEF subwoofer owners seeking convenience and pristine sound.
Know before you buy
The KW1 is specifically engineered for compatibility with KEF subwoofers that feature a dedicated expansion port for power. It is not designed for use with third-party subwoofers.
The system operates on the 5GHz band, which is common for modern routers. While interference is rare, the system uses secure data encryption to maintain a stable, high-quality connection.
Yes, with a latency of less than 17ms, the delay is virtually imperceptible to the human ear. This ensures your subwoofer remains perfectly synchronized with your main speakers during movies and music playback.
You can achieve this by purchasing an additional receiver unit separately. You will then pair both receivers to the single transmitter, allowing you to place two subwoofers anywhere within the 30-meter range.
No, the transmitter is conveniently USB-powered. You can plug it into the USB port on your KEF LSX or LS50 Wireless system, or any standard USB power adapter.
The system offers a range of up to 30 meters under line-of-sight conditions. Keep in mind that walls, furniture, and other physical obstructions can reduce this range and affect signal stability.
Still have a question?
Ask Hayley anything about this product before you decide.