4 Channel

Sundown Audio SFB1000.4D 4 Channel Full Bridge amplifier Sundown Audio 1000.4 is the worlds most power 4 channel amplifier, the color is black built in clip indicator on amplifier.  SFB -1000.4D Specs 350 watts x 4 @ 4 ohm, 14.4v 590 watts x 4 @...

Sundown Audio SFB-500.4D : SFB-500.4D FULL RANGE DIGITAL FEATURES • High Efficiency Digital Multi-Channel Design • 12 dB/Octave – Variable Low Pass Filter • 12 dB/Octave – Variable High Pass...

SUNDOWN AUDIO SFB-200.4 - 800 WATT RMS  4 Channel Amplifier: Sundown Audio SFB 200.4 Features: High Efficiency Digital Multi-Channel Design 12 dB/Octave – Variable Low Pass Filter 12 dB/Octave – Variable High Pass Filter Variable...