FISHMAN PRO-LBT-400 LOUDBOX MICRO ACOUSTIC AMPLIFIER - 40 Watts with Master Volume - Two channels: Instrument & Microphone - Digital Reverb & Chorus - 1/8” Auxiliary Input - Balanced XLR D.I. Output - 3.5mm Headphone Output - Loudbox Micro packs clean acoustic power into a lunchbox-sized acoustic combo. A sealed cabinet design paired with a bi-amplified driver configuration generates rich, full tone from your acoustic instruments. It features a dedicated microphone channel plus an instrument channel with Fishman’s legendary preamp and tone control design.