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Amazon.com: Roland MICRO CUBE GX Portable 3-Watt Guitar Amplifier, Black : Musical Instruments
Roland Rechargeable Amp Power Pack for Select Mobile Amplifiers (BTY-NIMH/A) : Musical Instruments - Amazon.com
Amazon.com: Roland Micro Cube Bass RX Battery-Powered Bass Combo Amp : Musical Instruments
Amazon.com: Boss CUBE Street 2-2x6.5" 10-watt Battery Powered Combo Amp - Black : Musical Instruments
