Pure analogue opto (optical compression by photocell) compressor/sustainer pedal with buffer- Switchable True/Buffered Bypass- Controls: Compression/Sustain, Volume- Switch: Serial/Parallel- Status LED: Effect On, Buffered Bypass On- Footswitch: On/Off- Input and output: 6.3 mm jack- Power consumption: 40 mA- Mains adapter connection: Barrel connector 5.5 x 2.1 mm, center negative- Power supply via 9 V DC mains adapter (not included) - suitable power supply unit: Art. 409939- Dimensions (W x D x H): 115 x 70 x 48 mm- Weight: 240 g- Handmade in Germany