db Drive Amphibious APA80.4 4 x 80W/2 x 200W Okur Series Class AB Marine Amp: * 4 x 80W max * 2 x 200W max * Class AB * DRIVESINK heat management * Buffered preamp input * Continuously variable 12 dB low pass crossover * Continuously variable 12 dB bass boost * 4-channel 2-ohm stereo capability * Full-range RCA line outputs * Variable input level control * DC short circuit protection * Ideal for marine and off-road applications