Fishman Acoustic Instrument Amplifiers Loudbox ARTIST 120 watts of bi-Amplified Acoustic power. Two mic/Instrument channels accept .25" or XLR sources. Input channels feature 3-Band EQ and feedback controls. Auxiliary stero input with level control and .35" and .125" connectors. Dual digital effects section with independent channel and main mix. Channel mute to silence both input channels. Headphone output. Foot switch input for remote muting of input channels or Chorus flanger and sLap echo.