new model amplifier P85.4B 1.High quality 2.2012 new model 3.Competitive price 4 channel amplifier

new model amplifier P85.4B :

audio amplifier model,12v amplifier,4-channel amplifier

4 channel high power amplifier

variable booster

2 ohm stable&tri-mode connectrion possible

variable low pass&high pass crossover

4/3/2 channel bridgeable

thermal/short circuit/overloading protection

high efficiency MOSFET power supply

power on &protection led indicators

extra heavy heat sink for better heat dissipation

new model amplifier P85.4B