Acus One-8 M2 Black, Amplifier for acoustic guitar, vocals and other acoustic instruments, Power output: 200 W, 8"" Bass speaker and ring tweeter, Bass reflex cabinet with 2 openings, 4 Channels (2x Mic, 1x Instrument, 1x Aux), 4 Band tone control (Low, Mid-Low, Mid-High, High), Gain control per channel, Master volume, Effects adjustable in length (Rev1, Rev2, Chorus, Delay), Effect send and return for external devices, Switchable 9 V voltage on channel 3, Effects switchable via foot-switch, Aux-in with tone control (high,low) and volume, Notch filter, Balanced XLR DI output, Line-out output, Headphone output, Ground Lift, Housing: Laminated wood, Box flange for 36 mm box stands, Colour: Black