This is an active 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 allows for the connection of additional speakers. High-efficiency Class-D amplifiers deliver enormous power [1000 W peak (700 W LF + 300 W HF) 500 W continuous RMS (350 W LF + 150 W HF)] driving a hearty 15-inch deep bass woofer with a high-temperature voice coil. The GD-115BT’s versatile enclosure allows different positioning - stand-mountable or tilt on edge for wedge monitor.