Billy Sheehan Signature bass with solid Brass bridge, hipshot 'D' tuner, Alder body with ARE treatment, Maple fingerboard, and Yamaha Custom Woofer and DiMarzio WillPower pickups. Both pickups are routed to individual output jacks for separate amplification. Controls consist of front volume, front tone with a high-cut switch to boost bass output from the front pickup, and rear volume with a stereo/mono switch. Black finish.