Used Weber MASS III Power Attenuator

Used Weber MASS III Power Attenuator in excellent condition, perfect for dialing in cranked tube amp tone at manageable volumes. Handles up to 150 watts and supports 4, 8, and 16 ohm loads. Features an actual speaker motor for authentic tone, a line out for recording or re-amping, and adjustable treble, bass, and midrange controls. Ideal for home practice, studio, or stage use without sacrificing your amp’s natural dynamics and response.