Rolls RA63b 8-Channel Distribution Amplifier

8 Channel Mono/4 Channel Stereo Distribution Amplifier, 1 Rack Space The RA63b is an eight channel mono, or four channel stereo distribution amplifier designed for the contractor / install market. The outputs are designed to drive high-level balanced lines in a sound distribution system. The screw terminals on the rear panel are for input and output, and each output may power more than one line.Features: Mono or Stereo Operation - mono input to eight outputs, or stereo inputs to four stereo outputs. +20 dB Gain switch. Screw Terminal inputs and outputs. Specifications: Input Impedance: 100 K Ohms balanced Max Input Level: +22 dBV I/O Connectors: Screw terminal; + -, and ground Output Impedance: 50 Ohms balanced Max Output Level: +24 dB Max Gain: 20 dB S/N Ratio: >90 dB Frequency Response: 10 Hz - 40 kHz, +/- 1 dB THD: <.008% Power: 120 VAC 50-60 Hz, 15VA Size: 19" x 1.75" x 6.5" (48 x 4.5 x 17 cm) Weight: 7 lbs. (3 kg)