Dunlop ROCK-BA (Bass Ace) Selectable treble boost & mid boost

Dunlop's quieter, smaller re-design of the Rockman Guitar Ace, Metal Ace & Bass Ace. Improved headphones, circuitry & gating action lets you hear your instrument's dynamic range & clarity. These high quality, low-priced headphone amps offer built-in compression, volume control & auxiliary stereo input/output.