NuX NRV-3 Damp Mini Reverb Guitar Effects PedalDAMP Reverb (NRV 3) is a mini reverb pedal with 3 different reverb types including Plate, Spring, and Hall. You can switch the types by tapping the tap switch. DAMP reverb offers True bypass and Buffer bypass (Trails), just hold the footswitch to boot up the pedal (do not connect USB). The footswitch indicator will show you the bypass status. (While you boot up the pedal, if the FS indicator flashes Green=BF, Red=TB.) Mini but mighty! It also supports