RU-ASX4DR

RDL RU-ASX4DR - Remote Controlled 4x1 Stereo Audio Selector with VCA Level Control

RDL RU-ASX4DR is a high-performance 4x1 stereo audio selector with remote source selection and digital output level control. The unit features four stereo inputs with individual gain trim and an internal VCA for precise volume adjustment in 0.5 dB steps. It supports both balanced and unbalanced signals, offering flexibility and exceptional audio quality.

Using solid-state switching technology, source selection is performed without mechanical components - ensuring completely silent, fast, and reliable operation with no signal degradation, even in demanding professional environments.

Functionality

• Remote selection of four stereo inputs
• Remote output level control via 10 kΩ potentiometer or 0-10 V DC
• Digital attenuation range of 96 dB in 0.5 dB steps
• Individual gain trim for each input - rear-panel screwdriver adjustment
• Dual LED VU meters on front and rear panels for signal monitoring
• Remote control from single or multiple locations - compatible with RDL controllers
• 25 mA open-collector output for external device control
• DIP switches for control mode and power-up source recall
• Solid-state switching - noiseless and reliable signal routing

Features

• Built-in digital VCA - precise and silent level control
• Input level range: -15 dBV to +25 dBu
• Stereo line-level output - balanced or unbalanced
• VU meters calibrated to +4 dBu for balanced output
• Excellent channel isolation and very low distortion
• Wide flat frequency response and low noise floor
• High common-mode rejection ratio (CMRR)
• 24 V DC power input - via rear-panel terminal block
• Compact enclosure - suitable for rack-mounted systems

RDL RU-ASX4DR is a dependable solution for professional audio systems, offering precise source selection, digital level control, and exceptional audio performance in AV environments.