it is the brand new jbl amplifier 5.1 with subwoofer upto 12 inch ,it has the 5 output for speakers with 2 front 2 back 1 centre all total surrounded dolbi atoms effect amplifier with remote control, and we can connect this monster to phones,tabs,laptops,tv,from other speakers etc all ones and it have Bluetooth,aux,usb,pendrive,TF, etc all types of connection features with fm radio availability too,.. i connected my 5 speakers to this amp with my 1500 watt jbl subwoofer(photo provided by not included in with the amp ) and my neighbours are really asking me that its louder and harder for them,my whole 2 floor house is really shaking after turning on this one,..my freinds really loved the sound from this one, the bass is really breaking our ribs!!! i runs this one daily for testing and it remains in without heating due to the power of fan inside it,.the amp is having heavy weight and in perfect condition i buyed this in the last month and now sells it for money issues