Ground Zero GZIA 4.120 4-channel high quality class A/B amplifier B4000 Engineered to fill the gap

Engineered to fill the gap between compression drivers  with 3″ and 4″ Voice coil

Twisted Pair windings

and Subsonic frequency adjusters

both crossed-over and full range

Rated AES Power Handling (RMS): 75 Watts

Ground Zero GZIA 4.120 4-channel high quality class A/B amplifier B4000 Engineered to fill the gapHigh Quality amplifier 4 channel amplifier with class A B circuit, integrated active crossover and black anodized heatsink 4 channel amplifier Class AB technology Variable active crossover and bass boost Stable power supply Large terminals Black anodized heatsink with Ground Zero lettering High level input with auto on function Model High Quality Class A B amplifier Channels 4 Output Power (@ 4) 4x 70 Watts RMS Output Power (@ 2) 4x 120 Watts RMS max.