Used BOSS Tube Amp Expander in great condition, offering premium reactive load power attenuation for tube amps up to 150 watts. This all-in-one solution features a built-in IR loader, USB audio interface, on-board effects, and customizable EQ. Perfect for live performance, studio recording, or silent practice, it ensures your tube tone stays rich and dynamic at any volume. Robust BOSS design provides long-term reliability for guitarists demanding ultimate flexibility and tonal control.