Jensen power 760 hi-fi amplifier (4-channel, 760-watt) * 2 Stable ; variable low pass filters 40 hz240 hz (12 db per octave); variable high pass filters 40 hz400 hz (12 db per octave); variable bass boost 012 db at 45 hz ; low level pass trough rcas (channel 1 & 2 only) ; encapsulated power & speaker connectors;channel-mode selector switch (4/3/2 channels) bridge- / tri-mode capability;tri-mode ; protection circuit that safeguards against short circuits, dc-offset & thermal overload; green operation & red protection leds; 4 channel-amp; peak power: 760w ; nominal output power: 4x75w x 195w ;4x100