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Amplify music from a portable CD player or any audio signal up to 1W. Relays it to a speaker with volume control (speaker included). Requires a 9V battery. Enough for 20 students.
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All prices are in USD. Registered Trademarks of KELVIN L.P include, but are not limited to: KELVIN®, Hands-On Science®, Build A Better Mousetrap Racer®, Rat Racer®, And the Winner Is…®, New Standards®, and SUMO Car Wrestler®.|