Williams sound Infra Red Receiver with 3.5mm jack for optional earphone/headphone, tone and balance controls, stereo 2.3/2.8MHz.

The WIR RX237 receiver is ideal for TV or stereo listening, meetings, offices, or other small group listening applications. A 3.5mm jack allows the user to plug in a variety of listening accessories such as an earphone, headphone, or neckloop. On/off switch is conveniently built into the receiver´s jack. The WIR RX237 is compatible with transmitters operating on 2.3 MHz and/or 2.8 MHz frequency.