Ernie Ball/Music Man HD-500 Audiophile bass amp for sale. Functional condition: Perfect Cosmetic condition: Excellent. Hardly a scratch. $550 shipped (lower US 48) Paypal and money order accepted. See my perfect feedback from all my ebay buyers HERE. Email me by clicking HERE. Features: 500W @ 4 ohms. LVR knob for vintage cab reproduction Two 4-band equalizers (2 channels) Switchable compression Speaker mute switch DI out (pre or post EQ) Effects loop Active & passive inputs ¼” and Speakon outputs 26 lbs. Power cord and owners manual included.