Lehle D.Loop SGoS, Effects Looper / Switcher, With two independent, true True Bypass loops and switchable High End Bufferamp, The Lehle D.Loop is a fully programmable effect looper / switcher with two independent true bypass loops via gold-plated relays, It also has a switchable High End Bufferamp with adjustable gain up to +12 dB, Loops and buffer amp are fully stereo, The Lehle D.Loop can be controlled via MIDI and networked with other Lehle SGoS switches, Power supply available as an option