EMSea Mini Amplifier Board DC 3V 3.7V 5V AB mono 3W Compatible with Portable Speaker DIY Electronic Audio System
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Compatible with portable speaker,DIY electronic audio system. This amplifier module supports 2V to 5V DC input including 3.7V lithium batteries, delivering 3W mono output power with 4¦¸ to 8¦¸ speaker impedance. The PCB measures 16mm in length, 10.5mm in width, and 2.6mm in thickness including the protruding part. Built with an SMT patch installation method, this class AB amplifier offers a compact design with a 150Hz to 20kHz frequency response and 90% efficiency. Product include a total of 4pcs mini amplifier board, which can completely meet your daily use needs and replacement.
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Amazon
Compatible with portable speaker,DIY electronic audio system. This amplifier module supports 2V to 5V DC input including 3.7V lithium batteries, delivering 3W mono output power with 4¦¸ to 8¦¸ speaker impedance. The PCB measures 16mm in length, 10.5mm in width, and 2.6mm in thickness including the protruding part. Built with an SMT patch installation method, this class AB amplifier offers a compact design with a 150Hz to 20kHz frequency response and 90% efficiency. Product include a total of 4pcs mini amplifier board, which can completely meet your daily use needs and replacement.
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Compatible with portable speaker,DIY electronic audio system. This amplifier module supports 2V to 5V DC input including 3.7V lithium batteries, delivering 3W mono output power with 4¦¸ to 8¦¸ speaker impedance. The PCB measures 16mm in length, 10.5mm in width, and 2.6mm in thickness including the protruding part. Built with an SMT patch installation method, this class AB amplifier offers a compact design with a 150Hz to 20kHz frequency response and 90% efficiency. Product include a total of 4pcs mini amplifier board, which can completely meet your daily use needs and replacement.