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Amazon.com: Alto Professional TS412 - 2500W 12" Powered PA Speaker with 3 Channel Mixer, Bluetooth Streaming, Wireless Loudspeaker linking, DSP and Alto App : Musical Instruments
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Amazon.com: Alto Professional TS115W | 15" Active 2-Way PA Loudspeaker with Bluetooth Connectivity (800W Peak / 400W Continuous) : Musical Instruments
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