Mini Spring Reverb Pedal for Guitar MP51 True Bypass Effect Unit with Analog Signal Processing Boasting a super small size with low noise, and a near bottomless depth of spring reverb sound.<br> Mix pot to balance dry/wet degree.<br> Dwell pot for adjusting bit reduction rate.<br> True bypass switch achieves zero-loss of tone, with a LED indicator to state working condition.<br> Single 1/4inch monaural input and output jacks, 9V DC adapter power supply, current draw is 85mA.<br> MP-51 Spring Reverb Mini Single Guitar Effect Pedal True Bypass Guitar Parts & Accessories<br> Effect Type: Spring Reverb<br> Signal Input: 1/4inch Monaural Jack<br> Signal Output: 1/4inch Monaural Jack<br> Power Supply: DC 9V<br> Size: 9.4 * 4 * 3.2cm / 3.7 * 1.6 * 1.3in<br> Weight: 140g / 4.9oz<br> colour: purple<br> Material: Aluminum alloy<br> Note: The DC adapter not included.<br> Package Contents:<br> 1*Effect Pedal<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.