All-In-One, Rechargeable, PA System Active 6 x 2” Bass: 8” 100° x 50° LF bass unit HF drivers linear-array 7-channel mixer with Bluetooth streaming audio, +48V phantom power, Hi-Z, and a pass-thru XLR connector, Max SPL: 118 dB (peak) , Battery: lithium-ion rechargeable, 6-hour play time, Weight: 17 kg