説明

• Feature：  This is a 2 power amplifier with five Bluetooth function (no blockading sign inside 10 meters), subwoofer + stereo function, which can modify the subwoofer frequency and quantity separately adjustment of stereo channel treble frequency, bass frequency adjustment, volume control!  ST21 TPA3221 2 Channel digital strength amplifier Bluetooth five 100W*2+200W  1 version: five (without sunscreen, 15 meters) 2 channel: 2 channel 3 model: TPA3221*2  Specifications: 1 mode: category D 2 current: 60mA 3 efficiency: 90% four input: support bluetooth, AUX analog signal, U disk / USB sound card five output power : 100W*2+200W 6 response: 20Hz to 20KHz 7 voltage: DC12V - 30V eight energy voltage: DC24V 9 speaker parameters: 4-8 ohms 10: 112mm * 102mm * 28mm 11 weight: about 245g Package List: 1X energy amplifier board (needs to be assembled) Please note that: The hyperlink includes three diverse options: "Full Board", "External Board", and "Bare Board" Please desire in step with your individual needs and thoroughly check earlier than charge Thank you~

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