QSC Audio CX168, 8 Channel Audio Amplifier, 130 WattCondition:* Used, removed from service in working condition. Powers up and outputs signal. As pictured. Additional Notes:* 90W Per Channel @ 8 , 130 Watt @ 4 * Channel pairs bridgeable for maximum flexibility* PowerWave technology delivers tighter bass and cleaner highs* Four HD-15 DataPort connectors (one per channel pair) for Q-SYS control/monitoring* Power Ratings: 8 , 0.05% THD: 90 Watt 4 , 0.1% THD: 130 Watt Midband Rating, 8 , 0.1% THD 1 kHz: 100 Watt All Channels, 120 Watt Single Channel Midband Rating, 4 , 0.1% THD 1 kHz: 140 Watt All Channels, 180 Watt Single Channel 16 0.1% THD 20 Hz – 20 kHz: 180 Watt 8 0.1% THD 20 Hz – 20 kHz: 260 Watt* Input Impedance: 6 k Unbalanced, 12 k Balanced* Input Connectors: 3-pin Euro-style detachable terminal blocks (one per channel)* Data Port Connector: HD-15 Connector (Ch 1+2, 3+4, 5+6, 7+8)* Output Connector: Two 8-pin Euro-style detachable terminal blocks* Front Controls: AC Switch, Ch 1, 2, 3, 4, 5, 6, 7 and 8 gain knobs* Rear Controls: DIP Switches for Ch. 1 – Ch. 8, clip limiter on/off, LF filter on/off, LF filter freq select 33 or 70 Hz, inputs parallel or stereo; bridge mode* Amplifier Protection: Full short circuit, open circuit, thermal, ultrasonic and RF protection; Stable into reactive or mismatched loads* Load Protection: On/off muting; individual channel DC fault blockingQSC Audio CX168