Boss GT-1B Bass Multi-FX Pedal, Multi-effect pedal for electric bass, 90 effect types, 32 seconds Looper, About 7 hours of playing on battery, 99 presets, 99 user patches, 3 footswitches, 1 expression pedal and 1 additional footswitch / expression pedal input, USB port for using an editor, as an audio interface or for re-amping, Modern design without sharp edges allows transport in a gigbag, Professional sounds and editor for free download on bosstonecentral.com, Controls: Edit 1 - 2 - 3, Switches: Select - Edit - FX1 / Limiter - OD / DS - Preamp - FX2 / Mod - Delay - Reverb - Mem, Edit - Exit - Enter Menu, Footswitch: Up - Down - CTL 1, Entrance. 6.3 mm jack, 2 mono / stereo outputs. 6.3 mm jack, Aux In Stereo. 3.5 mm mini jack, Phones. 3.5 mm mini jack, CTL2,3 / EXP2. 6.3 mm TRS latch, USB port, 9 V DC power supply connection (barrel connection 5.5 x 2.1 mm - negative polarity inside), Power supply with 4 AA batteries or a 9 V DC power supply (not included - matching optional: Art. #409939#), Dimensions (W x D x H): 305 x 152 x 56 mm, Weight: 1300 g