8-Channel Powered Amplifier, 90W @ 8 ohms per channel, CX-168


Designed for permanently installed sound systems where rackspace is at a premium, QSC's CX168 provides unprecedented levels of channel density for multi-channel amplifiers. The CX168 provides 90 watts/ch. @ 8 ohms. Each pair of channels may be bridged to configure these amplifiers as 4-, 5-, 6-, or 7-channel units. Like the entire CX Series, the 8-channel models feature DataPorts for remote amplifier management or signal processing, incorporate QSC's legendary PowerWave technology, and deliver our unmatched reputation for quality and reliability.

QSC's PowerWave technology takes your audio to an entirely new level. Delivering tighter bass and clean, transparent highs, PowerWave also cuts waste heat, boosts reliability, and eliminates unwanted noise and hum. PowerWave is a revolutionary switching power supply technology that provides ample current to the audio power circuitry by charging the supply rails over 200,000 times per second through an ultra-low noise impedance circuit. Unlike amplifiers that use conventional supplies, the audio signal is never starved prematurely and remains crisp and clean.


  • 8 ohms, 0.05% THD: 90W
  • 4 ohms, 0.1% THD: 130W
  • Midband Rating, 8 ohms, 0.1% THD 1kHz: 100W all channels, 120W single channel
  • Midband Rating, 4 ohms, 0.1% THD 1kHz: 140W all channels, 180W single channel
  • 16 ohms 0.1% THD 20Hz-20kHz: 180W
  • 8 ohms 0.1% THD 20Hz-20kHz: 260W

QSC CX168 Specifications:

  • Input Impedance: 6 kilohms unbalanced, 12k ohms 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, & 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 blocking
  • Dimensions (W x H x D): 19" x 3.5" x 14" (2 RU)
  • Weight: 21 lbs net, 27 lbs shipping
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