KEF KW2 RX Receiver
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Features
| Manufacturer | KEF Speakers |
|---|---|
| Warranty The length of time your product is protected by warranty | 2 Years |
Tech Specs
- Model: KW2 RX Receiver
- Dimensions (H x W x D): 72 x 37 x 31 mm (2.8 x 1.5 x 1.2 in)
- Weight: 50 g (0.1 lbs)
Wireless
- Radio frequency: 2.4 GHz
- Radio frequency range: 2400 MHz–2483.5 MHz
- Maximum radio frequency power (EIRP): <10 dBm
- Maximum line of sight distance: 15 m from XIO
- Latency: 57 ms
Audio
- Frequency response: 20 Hz–20 kHz
- Resolution: 24-bit / 48 kHz
- Signal-to-noise ratio: >80 dB
- Total harmonic distortion: <0.2 %
Inputs
- Input: USB Type-C (5 V, 2 A)
Outputs
- Outputs: Proprietary analogue
- Outputs: 3.5 mm analogue
- Outputs: TOSLINK optical
Description
The KEF KW2 RX Receiver is designed to provide a reliable wireless connection between the XIO Soundbar and a compatible subwoofer, removing the need for physical cabling. By transmitting high-quality audio signals over a dedicated 2.4 GHz wireless link, the KW2 allows subwoofers to be positioned freely for optimal bass performance without being constrained by cable runs.
This flexibility is particularly valuable in living spaces where clean aesthetics and practical placement are priorities. The receiver plugs directly into the rear of compatible KEF active subwoofers, creating a discreet and integrated solution.
Once connected, it delivers stable, low-distortion audio transmission that maintains timing and tonal accuracy, ensuring bass performance remains tightly integrated with the main soundbar system.
Compatibility and Connection Options
The KW2 RX Receiver is engineered to work seamlessly with a range of KEF subwoofers, including models such as KC62, KC92, KF92, and the Kube series. Four dedicated connector pins ensure a secure and uninterrupted signal path when used with compatible KEF designs.
For users with third-party subwoofers, the KW2 also offers an Aux and Optical combo output, allowing connection via analogue or digital input. This versatility makes the receiver suitable for a wide range of system configurations.
Power is supplied via a USB-C connection, enabling flexible installation away from equipment racks. An included cover neatly conceals the connector pins when using non-KEF subwoofers, maintaining a clean appearance.
Audio Performance and Signal Integrity
Despite its compact size, the KEF KW2 RX Receiver is designed to deliver consistent audio performance across the full audible range. Supporting 24 bit 48 kHz resolution and a frequency response from 20 Hz to 20 kHz, it preserves detail and impact in low-frequency content.
Latency is kept low at 57 milliseconds to maintain synchronisation with the soundbar, while signal-to-noise performance exceeds 80 dB for clean and controlled bass reproduction. Total harmonic distortion is specified at under 0.2 percent, ensuring bass remains tight and well defined.
With a maximum line of sight range of up to 15 metres, the KW2 provides dependable wireless performance in typical home environments.
Compact Design and Included Accessories
The KW2 RX Receiver features a compact and lightweight design, measuring just 72 by 37 by 31 millimetres and weighing only 50 grams. This makes it easy to integrate discreetly into a wide variety of installations without adding visual clutter.
Supplied accessories support straightforward setup, including a USB-C power cable, optical cable, and a 3.5 mm auxiliary to RCA lead for broad compatibility. A quick start guide and mounting hardware are also included to simplify installation.
Designed as a dedicated accessory for the XIO Soundbar ecosystem, the KEF KW2 RX Receiver offers a practical and elegant solution for achieving flexible subwoofer placement with consistent wireless performance.