Ampeg B4R Bass Head In Rack Case - Used AC71019 The Tap/Exp lets you plug

The Tap/Exp lets you plug in a TRS expression pedal like the M-Audio or any momentary tap control for some extra external control

and a 3 way pickup selector

Weight: 630g

and a strategic tone chamber under the pickguard for increased resonance

Ampeg B4R Bass Head In Rack Case - Used AC71019 The Tap/Exp lets you plugThis Ampeg B 4R Bass Head is in very good condition and is in fine working order. This is very little visible wear. Straight ahead power and tone so you can rock like a world class acteven before the royalty checks roll in. The 1000 watt B 4R is the most powerful head in its class. Introduced by Ampeg in 1999, this powerhouse head gives you everything you need for today's music. Not only is the B 4R powerful, it's loaded with tone shaping features