RetroSound Quadraphonic Amplifier

Retro Sound QUAD4 Quadraphonic Four Channel Power Amplifier

The RetroSound Quadraphonic Amplifier is a full-range Class D (digital) power amplifier that plugs directly into any RetroSound radio or many other radios for that matter!. Featuring 45 watts x 4 RMS power, the Quad 4 offers exceptional dynamic range and low distortion for the best possible sound reproduction from your audio system. Low level RCA inputs also allow the Quad 4 to be used with many after-market car stereo system. The Quad for has a built-in high pass / full range crossover, and its diminutive size means you can install it virtually anywhere, possibly including behind the dash. Euro type connectors make it easy to wire up - just plug in in many cases!Check the manual for the wiring details. Download Instruction Manual (957 KB PDF)

RetroSound Quadraphonic Power Amplifier showing wiring.

Features:

• 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
• Connection possible for many other brands of radios, including some factory fitted units
• Compact size 179 x 71 x 44 mm approx. (7 1/4 x 3 x 1 3/4 inches approx.) to fit virtually anywhere

RetroSound Quad 4 Power Amplifier showing main panel.

Specifications:

• 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 Ratio (EIA Rated): >90dB
• Input Sensitivity: 200mV - 6.0V
• 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 (approx.)
• Dimensions: (mm) 179mm W x 71mm D x 44mm H (approx.)