Elite Acoustics M2-6 Acoustic Amplifier, Battery Powered Acoustic Amplifier, Slanted housing for use as a monitor, Bluetooth audio streaming, With digital effects as well as mixing and mastering functions, 4 Channels, Power: 30 W, Class D bi-amp, Equipped with: 6.5"" loudspeaker and 1"" silk dome tweeter, Bass reflex housing construction, Frequency range: 70 - 22,000 Hz, Controls, CH 1: EFX/AUX Send Level - Gain - Notch Filter - EQ - Mic/Instr Select - CH 2: Gain - EFX/AUX Send - CH 3/4: EFX Send Level - Master: Volume - EQ (Low, Mid High Knob), Effects Mix, Decay/Rate and Effects, AUX Level, Direct Out Level, Switches at CH 1: Mute - Phase - EFX/AUX and Mix/Instr. Select, Switches at CH 2: Mute - PAD - Master: EFX Bypass - Mono - 48 V Phantom Power, Effects: Reverb - Echo - Chorus - Flanger, Connections CH 1: Input Instrument (6.3mm Mono) - Line (6.3mm TRS) - Mic (XLR), Connections CH2: Line (6.3 mm TRS) - Mic (XLR) - CH3/4 Left/Right Stereo Input (6.3 mm TRS) - Global: AUX In (3.5 mm TRS) - Monitor Right Output (6.3 mm TRS) - Direct Out Left/Right (XLR) - AUX Send/Return (6.3 mm TRS) - Footswitch Effects Bypass (6.3mm TRS), Bluetooth, USB charging port, Approx. 6-8 hours playing time with fully charged battery, 35 mm Speaker flange on the side, Dimensions (W x D x H): 330 x 279 x 229 mm, Weight: 10.9 kg, Colour: Carbon Style Black, Incl. 12 V power supply and car charger, Made in USA