Source Audio SA 270 - One Series EQ2, Effect Pedal for Electric Guitar and Electric Bass, 10-Band equalizer, 10 Editable frequency bands from 31 Hz to 16 kHz with +/- 18 dB boost/cut per band, Parametric control options change frequency range or Q-factor, 4 onboard presets - or 8 in preset extension mode, 128 MIDI presets, Additional, adjustable +12 dB clean boost, Completely MIDI-capable, External expression and switching control, Integrated noise gate, limiter and tuner, Output and control knobs for EQ parameters, Select/Save button, Status LEDs, Universal bypass, Selectable between analogue-buffered or relay-switched true bypass, 2 x 6.3 mm TRS stereo jack inputs, 2 x 6.3 mm TRS stereo jack outputs, MIDI IN and MIDI THRU connections, Mini USB port for connection to PC (Windows and Mac compatible) and remote control (MIDI), 3.5 mm source audio control input for connection to compatible source audio devices (dual expression pedal, tap switch), Power supply via 9V DC (SR SA 153) power supply with 2.1 x 5.5 mm barrel connector, polarity (-) inside, Power consumption: 165 mA, Housing made of brushed anodised aluminium, Dimensions (L x W x H): 114 x 70 x 51 mm, Incldues power supply unit@+*Note:* Battery operation is not supported.Note Register your product at www.w-distribution.de/Warranty and extend the warranty to 4 years.