KEF KW-2 RX Receiver

Wireless Subwoofer Receiver for KEF XIO Soundbar

The KEF KW-2 RX Receiver is a dedicated wireless audio receiver designed to connect the KEF XIO Soundbar to a compatible subwoofer without the need for a physical signal cable. Operating on a 2.4 GHz wireless connection, it provides greater flexibility in subwoofer placement while maintaining high-resolution audio transmission.

Designed for seamless integration with KEF active subwoofers, including the KC62, KC92, KF92 and Kube series, the KW-2 also supports third-party subwoofers through its 3.5 mm analogue and TOSLINK optical connections.

Key Features

• Wireless Subwoofer Connectivity:
  Receives wireless audio signals from the KEF XIO Soundbar and transmits them to a connected subwoofer, eliminating the need for a long signal cable between devices.
• Flexible Subwoofer Placement:
  Allows the subwoofer to be positioned in an optimal location within the listening room without being restricted by cable connections.
• Seamless KEF Subwoofer Integration:
  Features four dedicated connector pins for direct connection to compatible KEF active subwoofers, including KC62, KC92, KF92 and Kube models.
• Third-Party Subwoofer Compatibility:
  Supports other active subwoofers through the 3.5 mm analogue and TOSLINK optical combo output, providing greater system flexibility.
• High-Resolution Audio Transmission:
  Supports audio resolution up to 24-bit/48 kHz, delivering detailed wireless audio transmission from the XIO Soundbar.
• Reliable 2.4 GHz Wireless Connection:
  Operates within the 2.4 GHz frequency band and provides a maximum line-of-sight transmission distance of up to 15 metres from the XIO Soundbar.
• Compact and Lightweight Design:
  Measuring just 72 x 37 x 31 mm and weighing only 50 g, the receiver is easy to install without taking up unnecessary space.

Feature Highlights

• Wireless connection between KEF XIO Soundbar and compatible subwoofers.
• Direct plug-in connection for compatible KEF active subwoofers.
• 3.5 mm analogue and TOSLINK optical connectivity for third-party subwoofers.
• 24-bit/48 kHz audio resolution.
• Up to 15 metres of wireless transmission range (line of sight).
• Compact receiver weighing just 50 g.

• Model:
  KW2 RX Receiver
• Wireless Technology:
  2.4 GHz
• Radio Frequency Range:
  2400 MHz – 2483.5 MHz
• Maximum RF Power (EIRP):
  Less than 10 dBm
• Frequency Response:
  20 Hz – 20 kHz
• Audio Resolution:
  24-bit / 48 kHz
• Signal-to-Noise Ratio:
  Greater than 80 dB
• Maximum Wireless Range:
  Up to 15 metres from XIO (line of sight)
• Latency:
  57 ms
• Total Harmonic Distortion (THD):
  Less than 0.2%
• Input:
  USB Type-C (5V / 2A)
• Outputs:
  Proprietary analogue connection
  3.5 mm analogue
  TOSLINK optical
• Dimensions (H x W x D):
  72 x 37 x 31 mm
• Weight:
  50 g

• KEF KW2 RX Receiver
• USB-C Power Cable
• Optical Cable
• 3.5 mm Aux to RCA Cable
• Screw Sets
• Quick Start Guide

The KEF KW-2 RX Receiver is designed for use with the KEF XIO Soundbar. It is not compatible with speakers from the KEF LS Wireless Collection. For connecting LS Wireless speakers to KEF subwoofers, the KEF KW1 Adapter Kit is recommended.