KEF KW2 RX Receiver User Manual

In the Box

Check whether KW2 or any parts are damaged or missed. If this is the case, do not use the product and contact your retailer.

• 1x KW2
• 1x Optical cable (1 m)
• 1x USB-C power cable (1 m)
• 1x 3.5 mm AUX to RCA cable (1 m)
• 1x Printed materials (Quick Start Guide KW2 RX Receiver)
• 2x M3.0 × 20 mm Machine screws (For KC62 / KF92 / Kube MIE / KC92)
• 1x M4.0 × 42 mm Tapping screw (For Kube 8b / 10b / 12b)

Product Overview

The KW2 RX Receiver is a compact wireless audio receiver. Key components include:

• Top cover
• Bottom cover
• LED indicator: Shows status of the device.
• Pairing button (PA): Used for pairing operations.
• USB-C power supply: For powering the device.
• AUX/Optical combo 3.5 mm audio output: For connecting to non-KEF subwoofers.
• Proprietary audio output: For connecting to KEF subwoofers.

The device features installation holes designed for specific KEF subwoofer models:

• Installation hole for Kube 8b / 10b / 12b
• Installation holes for KC62 / KF92 / Kube MIE / KC92

Placement

Ensure the KW2 is placed at least 30 cm away from wireless transmitting equipment such as Wi-Fi routers, Bluetooth devices, and wireless speakers to prevent potential signal interference.

[Diagram: KW2 unit with an arrow indicating a minimum distance of 30 cm to icons representing Wi-Fi and Bluetooth signals.]

Getting Prepared

• Plug your subwoofer for power and turn it off by setting the power switch to the "O" (OFF) position.

Connecting to KEF Subwoofers KC62 / KF92 / Kube MIE / KC92

1. Slide the top cover upwards to reveal the installation holes and then gently remove the bottom cover to expose the proprietary audio output.
2. Plug the proprietary audio output into the subwoofer's expansion port (E).
   • IMPORTANT: Make sure the pins of the output are correctly inserted and the pairing button (PA) faces upwards.

   [Note: Pairing button (PA) must be facing upwards.]

3. With a screwdriver, tighten the machine screws in the installation holes.
   • IMPORTANT: Never use an electric screwdriver to avoid damage.
4. Slide the top cover back to its original position.

Connecting to KEF Subwoofers Kube 8b/10b/12b

1. With a screwdriver, remove the original screw from the subwoofer.
2. Slide the top cover upwards to reveal the installation hole and then gently remove the bottom cover to expose the proprietary audio output.
3. Plug the proprietary audio output into the subwoofer's expansion port (E).
   • IMPORTANT: Make sure the pins of the output are correctly inserted and the pairing button (PA) faces upwards.

   [Note: Pairing button (PA) must be facing upwards.]

4. With a screwdriver, tighten the tapping screw in the installation hole.
   • IMPORTANT: Never use an electric screwdriver to avoid damage.
5. Slide the top cover back to its original position.

KEF Subwoofer Settings

1. Enable the LFE mode on your subwoofer.

   [Diagram showing LFE mode selection for KC62/KF92/Kube 8b/10b/12b and KC92/Kube MIE subwoofers, with a dial indicating frequency adjustment.]

2. Set the subwoofer power switch to the "I" (ON) position.

The LED indicator of KW2 should blink cyan and white.

Connecting to non-KEF Subwoofers with Analogue Input

1. Connect KW2 and your subwoofer with a 3.5 mm to RCA audio cable or an optical cable.
2. Connect the USB-C power cable to the USB-C power supply.

   [Diagram showing connections: USB-C power to KW2, and either LINE IN or OPT port on a non-KEF subwoofer connected to KW2 via appropriate cable.]

The LED indicator of KW2 should blink cyan and white.

3. Power on your subwoofer.

Pairing with XIO

1. Ensure the subwoofer is powered on and the LED indicator of KW2 is blinking cyan and white.
2. Ensure XIO is powered on and not in standby mode.
3. On the back panel of the XIO, press and hold the "BT Pair" button (BP) for 5 seconds. The LED light above the "BT Pair" button will then blink cyan and white.

   [Diagram showing XIO back panel with BT Pair button, a 5-second timer icon, and resulting LED status.]

4. Alternatively, you can also pair through the KEF Connect App. In the app, go to the EQ setting page, navigate to "Do you have a subwoofer connected?", select "Yes", then select “KW2". The LED light above the "BT Pair" button will then blink cyan and white.

   [Diagram showing KEF Connect App interface for pairing, selecting 'Yes' and 'KW2'.]

5. When pairing is successful, the LED indicator of KW2 will become solid cyan. The LED light of XIO will become solid cyan for 3 seconds and then turn off.

   [Diagram showing KW2 and XIO with solid cyan LEDs indicating successful pairing.]

Basic LED Indications

This section details the LED status for both KW2 and XIO devices.

KW2 LED Indications

XIO LED Indications

FAQ

1. How to reset KW2?

Press and hold the Pairing button (PA) on KW2 until the LED indicator blinks amber.

[Diagram showing KW2 with PA button being held for 5 seconds, resulting in an amber LED.]

2. How to add additional KW2?

1. Double press the "BT PAIR" button (BP) on the back panel of XIO. The LED light above the button will blink cyan and white.
2. When pairing is successful, the LED indicator of KW2 will become solid cyan. The LED light of XIO will become solid cyan for 3 seconds and then turn off.

[Diagram showing XIO back panel, double-pressing BP, and resulting LED states for KW2 and XIO.]

3. What do these LED indications mean?