Used Universal Audio OX Amp Top Box Power Attenuator

Used Universal Audio OX Amp Top Box in great condition—an all-in-one reactive load box, power attenuator, and speaker emulation solution for tube amps. Rated for up to 150W, it connects via standard speaker in/out and provides line out plus S/PDIF digital output for direct recording. Enjoy studio-quality UA cab, mic, and room modeling with onboard DSP, plus Wi‑Fi app control for quick tone shaping at any volume, from silent to stage-ready.