Class D Digital Circuits

Press Releases

RetroSound ® Now Shipping New Quad4 Power Amplifier

Retro Manufacturing, a leading manufacturer of audio products for the classic vehicle market, has announced they are now shipping their new RetroSound® Quad4 power amplifier.  The Quad4 is a four-channel amplifier featuring Class D digital circuitry, with power output rated at 45 watts x 4 channels RMS.  For ease of installation, the Quad4 offers direct connection to any RetroSound® radio.…