Marshall Vibratrem VT-1*This is preowned pedal. Does not include original box and power supply* Full Description By using split phase modulation, a truly awesome stereo sound field can be created by connecting the VT 1 up to two amplifiers. The Vibratrem features a passive bypass for the main signal path to ensure complete tonal integrity and has a quality of tone matched only by its versatility Features Specifications: Vibrato & Tremolo mode switch Speed control Depth