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Electro-Voice EV Q66-II Power Amplifier

Quick Overview

The Electro Voice Q66 amplifier is based on EV's reference-standard P-Series. The EV Q66 Ampguarantees the same high-quality construction and output, and has a maximum power capability of 2x600 watts.

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Electro Voice Q66 Power Amplier
The Electro-Voice Q Series Q66 Power Amplifier delivers 2 x 600W @4Ohms / 2 x 900W @2Ohms and provides flexible drive capability for a huge variety of speaker systems, including Sx300, ZX4, SB122 etc.

The Electro-Voice Q66 Power Amplifier features Switchable LPN(Low-Pass Notch) filter circuitry, providing extra tonal fundament and kick, with protective Low-Cut for using smaller passive 12" or 15" cabinets without additional subwoofers.


  • Outstanding value and performance for clubs, mobile and more
  • Dynamic headroom for all real-world applications
  • 900 W per channel (2 Ω)
  • Class-AB design
  • XLR pass-though input connections
  • Easy connection to bi-amped loudspeakers
  • Switchable LPN filter for extra tonal fundamentals and "kick"
  • Protective low-cut for systems without subwoofers
  • Built-in dynamic limiters
  • Complete protection package
  • Three-stage front-to-rear fans


  • Amplifier Gain 32 dB
  • Continuous Rated Power (1 kHz, THD 1%) 2Ω 900 Watts
  • Continuous Rated Power (1 kHz, THD 1%) 4Ω 600 Watts
  • Continuous Rated Power (1 kHz, THD 1%) 8Ω 380 Watts
  • Continuous Rated Power (20-20 kHz, THDContinuous Rated Power (20-20 kHz, THDCooling Front-to-Rear, 3-stage fans
  • DIM 30 0.05 %
  • Electronics Type Amplifier
  • Frequency Response 10 Hz - 40 kHz ±1 dB
  • Manufacturer Electro Voice
    Output @ 2 ohms 2 x 850watts
    Output @ 4 ohms 2 x 600 Watts
    Output @ 8 ohms 2 x 380 Watts
    Rack Height 2u