This unit shows zero signs of use. It sounds incredible as you'd expect. Tested and working flawlessly . This includes the HEAD UNIT and vinyl slip cover ONLY. NO box or manual. Will be very well packaged for safe delivery. 

This Rivera RockCrusher is a premium power attenuator and reactive load box designed to let you drive your tube amplifier to its sweet spot at lower volumes. The unit includes comprehensive EQ controls, multiple impedance settings, and professional-grade circuitry that preserves the tone and feel of your amplifier even at heavy attenuation levels. It is an essential tool for guitarists needing authentic, high-gain tube amp tones in studio or bedroom settings without compromising volume or quality.