- 10 Main Sub Woofer, Four 3 Full Range Drivers - 3 Channel Mixer With Independent EQ And Reverb - Dedicated 3rd Channel For Bluetooth, USB Or Aux Input - True Wireless Stereo Capable For Pairing Two EP-T1s - Line Out - Hi Capacity Li-ion Battery The Edison Professional EP-T1 is the ultimate portable PA speaker. It has a 10 main sub woofer, with four 3 full range drivers. The built-in Hi capacity Li-ion battery will give you hours of playing time. You can either stream you music thru the…