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RS232 RS485 Modbus-RTU MP3 Voice Playback Amplifier Board,50W 7 Channel Trigger Industrial Audio Module

Product no longer available. The stores we track no longer sell it; last price seen $25.77.

Price history: 2 daily prices tracked since 2026-10-18; lowest $25.77, highest $25.77.

RS232 RS485 Modbus-RTU MP3 Voice Playback Amplifier Board,50W 7 Channel Trigger Industrial Audio Module

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