1)BL series professional power audio amplifier adopts stable and reliable design for circuitry: VOSFET inputdifferential as pre amplifier. Common base as phase inversion, common collecror as output; With convenient input and out put interface.

2)With stable and complete function, meanwhile it has good price as well as quality. The perfect protection circuity has: Over -current protection current protection and audio-lock(to avoid damage to the loudspeaker when relay turns on and off time and again in the critical status)Temperature protection turning-on delay CTV fan with air cooling radiator.

3)BL series professional power amplifier can be use in metting room, small party, KALAOK and club, etc.