8 Channel 100W @ 70V Power Amplifier


The QSC CX108V was designed for permanently installed sound systems where rackspace is at a premium and provides unprecedented levels of channel density for multi-channel amplifiers. The CX108V provides 100 watts/ch. @ 70 volts. 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.

QSC CX108V Features:

  • 100 watts per channel at 70 volts (CX108V)
  • Compact size - only two rack spaces and 14" deep for reduced rack space
  • Channel pairs bridgeable for maximum flexibility
  • Exclusive PowerLight switch-mode power supply technology for high performance and compact size
  • Active Inrush Limiting eliminates AC inrush current, removing the need for expensive power sequencers
  • Four HD15 DataPorts (one per channel pair) for QSControl computer control or QSC's signal processing accessories
  • Custom integrated gain control security cover for tamper-proof installations
  • 1 dB recessed detented gain controls for fast and accurate settings
  • Detachable Euro style input and output connectors
  • DIP switch control for clip limiters, high-pass filters, bridge mono and parallel operation
  • Selectable high-pass filters protect speakers andprevent speaker transformer saturation with minimal effect on program material (50 Hz or 75 Hz; CX108V)
  • Comprehensive front panel indicators including signal, clip, bridge mono and parallel input LEDs
  • Fully protected - including DC, infrasonic and ultrasonic, thermal overload and short circuit protection
  • High-performance Class AB+B complementary bipolar output circuitry
  • Light weight - only 21 pounds (9.5 kg) for easier racking and shipping
  • 3-year warranty plus optional 3-year extended service contract


  • Midband Rating, 70V 0.2% THD 20Hz-20kHz: 100W
  • 140V 0.2% THD 20Hz-20kHz: 200W

QSC CX108V Specifications:

  • Input Impedance: 6 kilohms unbalanced, 12k ohms balanced
  • Input Connectors: 3-pin Euro-style detachable terminal blocks (one per channel)
  • DataPort 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 50 or 75 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 (WxHxD): 19" x 3.5" x 14" (2 RU)
  • Weight: 21 lbs net, 27 lbs shipping
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