Surplus (6) Anchor Audio LIB-6001 Dual Speakers & (1) Roland KC-880 Keyboard Amplifier in North Las Vegas, Nevada, United States (GovPlanet Item #8631700)
Roland KC-880 4-Channel 320-Watt 2x12" Keyboard Combo | Reverb
KC-880 - Roland KC-880 - Audiofanzine
Roland KC880 Overview- Roland KC880 Keyboard Amplifier - YouTube