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Quadraphonic Four-channel Power Amplifier - Retro Manufacturing
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Quadraphonic Four-channel Power Amplifier

Part Number:
$ 159.99

If you are shipping to AU, BR, CH, CZ, DE, FR, GB, JP, NL, NZ, RU, SE, or ZA use our Dealer Locator to find a dealer near you.

The RetroSound® Quadraphonic is a full-range Class D (digital) power amplifier that plugs directly into any RetroSound® radio. Featuring 45 watts x 4 RMS power, Quadraphonic offers exceptional dynamic range and low distortion for the best possible sound reproduction from your RetroSound® audio system. Low level RCA inputs also allow Quadraphonic to be used with any aftermarket car stereo system. Quadraphonic has a built-in high pass/full range crossover, and its diminutive size means you can install it virtually anywhere, including behind the dash.

  • 45 watts x 4 channels continuous power output
  • Full range Class D digital circuitry
  • Ultra-low current draw
  • Advanced protection circuitry
  • Built-in variable high pass/full range crossover
  • Direct connection compatibility with all RetroSound® radios
  • Compact size (7 1/4 x 3 x 1 3/4 inches / 179 x 71 x 44mm) to fit virtually anywhere

For more information, see the user's manual, or browse our support page.

Power Output 45 watts x 4 channels RMS @ 4 Ohms
Peak Output 55 watts x 4 channels
Total Harmonic Distortion <0.2% @ 45 watts x 4 RMS
Frequency Response 28Hz-28KHz
Signal to Noise Ration (EIA Rated) >90dB
Input Sensitivity 200mV-6.0 volts
Crossover Slope 12dB per octave
Crossover Frequency 100 Hz
Fuse 15 amp ATC Style
Dimensions (inches) 7.16” W x 2.9” D x 1.78” H
Dimensions (mm) 179mm W x 71mm D x 44mm H

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