RDL RU-ASX4D Stereo Audio Selector 4x1

4x1 Stereo Balanced Audio Switcher - Terminal Block The RU-ASX4D is a four channel stereo audio selector with input gain adjustments and output level metering. The inputs and outputs are connected on rear-panel detachable terminal blocks. Each of the four stereo line level inputs accepts either a balanced or an unbalanced signal. Each input is equipped with a rear panel screwdriver-adjustable input gain trimmer. Input signal levels between -15 dBV and +8 dBu may be set to the proper operating level as indicated by a stereo dual-LED VU meter. This assures ample headroom at all normal operating levels. The module is equipped with two identical dual-led VU meters, one on the front panel, the other on the rear panel. The maximum input level is +25 dBu. The RU-ASX4D was designed for absolute silent switching of audio signals using only solid-state switching circuitry. The output is stereo line level. Each output channel may be connected balanced or unbalanced. Each of the VU-meters, left an