A Pro-level Practice Amp with a Tiny Footprint Boasting a cutting-edge driver design and state-of-the-art digital technology, the Phil Jones Bass Double Four represents a milestone in micro bass amplifiers. While this small-but-mighty bass combo amp is ideal for low-volume practice sessions, you'll be shocked at how much rafter-shaking output this 70-watter is able to pump through its dual 4-inch drivers. As for tone, the Double Four delivers top-notch PJB electric bass guitar tone that's guaranteed to inspire your best playing. You also get a meticulously crafted enclosure that's not only designed to augment the drivers' output but also to yield crystal-clean sound with zero unwanted coloration. You also get a 3-band EQ for shaping your sound, an aux input for jamming along to backing tracks, a line output for easy recording, and a headphone output for silent rehearsals. Bassists searching for a pro-level practice amp with a super-small footprint