Boss SY-1000 Guitar Synthesizer, Multi-effects pedal for electric guitar and bass, Most powerful guitar / bass synthesis and modeling processor from BOSS, Next generation synth engine with custom DSP and 48 kHz / 32 bit processing, 3 Simultaneous instrument types and advanced real-time signal processing, Pitch, level and panning of each string for instant alternative tunings and wide, layered voicings, The new Dynamic Synth perfectly follows the guitar's natural envelope, 2 x 16-Part step sequencers for the progressive control of pitch, filter and amplitude, Updated versions of historic BOSS / Roland guitar synth and modeling technologies: OSC Synth, GR-300, Electric Guitar, Electric Bass, Acoustic, VIO Guitar and Poly FX, Premium effects and amplifiers derived from the flagship GT-1000, Customise sounds with the BOSS Tone Studio Editor and download patches in BOSS Tone Central, Current consumption: 800 mA, Power supply with a 9 V DC power adapter (included), Dimensions (W x D x H): 345 x 245 x 67 mm, Weight: 2500 g@+*Note:* no battery operation possible@+@+*Control elements:*@+@+, Controls: 1 to 6, Output level, Push buttons: Inst, Effects, CTL, Exit, Write, System, Page Up and Down, LED: Backlit Graphic LCD (512 x 160 dots), Footswitches: Bank Up and Down, CTL 1 and 2, 1 to 4@+*Connections:*@+@+, GK pickup input (13-pin DIN), Instrument input (6.3 mm jack), Main Out R / Mono and L / Phones (2 x 6.3 mm stereo jack), Sub Out R / Mono and L (2 x 6.3 mm jack), CTL 3, 4 / EXP 1 (6.3 mm stereo jack), CTL 5, 6 / EXP 2 (6.3 mm stereo jack), USB B type, MIDI In Out / Thru, Power supply connection: Barrel connector 5.5 x 2.1 mm, negative polarity inside@+*Note:* a Roland GK compatible pickup and 13-pin cable are required for full access to all synth and modelling functions.