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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. Key capabilities include: Input Impedance: > 20 kΩ balanced, >10 kΩ unbalanced; Maximum Input Level: +25 dBu; and Output Level: +4 dBu balanced, unbalanced output 6 dB below balanced output level.
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