< p> 4-channel amplifier with class A/B circuit, integrated active crossover and black anodized heatsink< br> < br> 4-channel amplifier< br> Class AB technology< br> Variable active crossover and bass boost< br> Stable power supply< br> Large terminals< br> Black anodized heatsink with Ground Zero lettering< br> High-level input with auto-on function< /p>