This is a t.c. electronic Nova Reverb. I used to use it, but I'm selling it now because I haven't been using it recently. You can use various types of reverb. I checked the operation and found no problems. I will also include the included power adapter. Please refrain from purchasing if you are concerned as it is a used item. High-quality effector equipped with a variety of reverb algorithms. - Brand: t.c. electronic - Model: Nova Reverb - Power adapter: Included - Effect type: Reverb - Controls: decay, pre delay, color, dynamix, mix level - Algorithms: room, spring, hall, plate - Connectors: L/R input, L/R output - Country of manufacture: Thailand Thank you for viewing.