GD-115BT 15" Active Loudspeaker with Bluetooth +Class D Amp 1000WActive PA speaker with an integrated 3 channel mixer. The GD 115BT features Bluetooth playback, dual XLR, 1 4 mic line, RCA, and AUX inputs. Each channel has independent level controls and clip LED. Master level with bass and treble controls for adjusting EQ. Balanced XLR output and TWS link allow for the connection of additional speakers. High efficiency Class D amplifiers deliver enormous power driving a hearty 15 inch deep bass woofer with a high