The JHS Little Black Amp Box is a passive analog attenuator ideal for guitarists who want to get that great quality tone of a cranked up tube amp, without waking up the neighborhood or breaking the windows in their house. The Little Black Amp Box is a compact and easy-to-use device that can be placed in the FX loop of the amp. Simply turn up the volume of your amp to get that nice tube saturation and great sound, but tame the decibels with this pedal. The JHS Little Black Amp Box is a great addition to any guitarist's pedalboard and is perfect for practice, live performances or recording sessions.