DB-SH1

RDL DB-SH1 – Stereo Headphone Amplifier in Decora® Panel

RDL DB-SH1 is a professional stereo headphone amplifier designed for wall or panel mounting, ideal for AV installations, museums, interview studios, listening stations, and simultaneous translation systems. The device features user-adjustable volume control via a long-life potentiometer operating matched VCAs, ensuring noise-free operation over time.

It supports both balanced and unbalanced inputs, with configuration switches for input sensitivity and stereo/mono mode selection. In mono mode, the left input drives both output channels, requiring only one input connection. The amplifier delivers over 50 mW of power to high or low impedance headphones via a durable ¼" (6.3 mm) standard jack.

Powered by a 24 V DC supply, the module can also operate at 12 V DC with reduced headroom and output power (10 mW). Its compact design allows easy installation in panel cutouts or RDL mounting accessories.

Functionality

• Panel-mounted stereo headphone amplifier
• User-adjustable volume control
• Balanced and unbalanced input support
• Switchable stereo or mono operation
• Drives high or low impedance headphones
• Decora® mounting compatibility

Features

• Device type: stereo headphone amplifier
• Audio inputs: balanced/unbalanced, left and right channels
• Input level range: -20 dBV to +20 dBu
• Configuration switches: input sensitivity, stereo/mono mode
• Volume control: potentiometer controlling VCAs
• Headphone output: ¼" (6.3 mm) jack, >50 mW
• Power supply: 24 V DC (or 12 V DC with reduced output)
• Dimensions: Decora® format
• Operating temperature: 0°C to 55°C

RDL DB-SH1 offers reliable performance, flexible configuration, and user convenience, making it a perfect choice for professional AV environments.