Guitar effect Digital Reverb pedal. 3 modes: Studio - warm, natural indoor reverb (Decay-control sets room size) Church - huge reverb with soft reverbs and reflexions Plate - Classic plate reverb, Effect/original signal can be blended via mix control. Tone-control affects high frequency content of reverb effect, Decay-control allows for adjusting the room size. Metal housing. True Bypass. Input: 6,3 mm standard mono jack, Output: 6,3 mm standard mono jack. Power: optional 9V DC power supply. Dimensions: 93.5 mm (L) × 42 mm (W) × 52 mm (H), Weight: 170 g