A powerful, rechargeable battery, combined with unique power management circuitry, is specifically designed to maximize output levels and playing time. With the addition of Bluetooth® wireless connectivity, you can now easily and neatly add backing tracks or other accompaniment to your performances, jams, or wherever your Loudbox Mini Charge takes you and your music. Features   Rechargeable battery power Bluetooth® 4.0 Connectivity Dedicated Instrument and Mic Channels with Input Gain Controls Mix D.I. output Digital Reverb & Chorus 1/8” Auxiliary Input Balanced XLR D.I. output Lightweight & Portable Specifications   POWER: 60 Watts with Master VolumeDRIVERS: Woofer 6.5” paper cone Tweeter 1” soft domeSPL: 108dB SPL at 1 meterSPEAKER BAFFLE: 10° built-in tiltFREQUENCY RESPONSE: 80Hz – 20kHzBATTERY LIFE ESTIMATE: 18 hours (low volume), 12 hours (average volume), 4 hours (full volume)BATTERY CHARGE TIME: 10 hoursCONNECTIVITY: Bluetooth® 4.0DIMENSIONS: 12 H x 13.7 W x 9.7 D (305 mm x 349 mm x 247 mm)WEIGHT: 21.2 lbs (9.6 kgs)WALL CHARGER: Included Instrument Channel   1/4 input for active or passive pickups Feedback-fighting Phase switch 3-band EQ with low, mid, and high tone controls Reverb level Dual-function Chorus Mic Channel   XLR input for dynamic microphones 2-band EQ with low and high tone controls Reverb level Optional Accessories   12V WALL CHARGER: ACC-PWC-AU5 (Australia) Watch: The Loudbox Mini Charge