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The power amplifier board is made of high performance Original chip TPA3110D2*2PCS, 2.1channel stereo amplifier, 2x15W+30W(4-8Ω) output power.
his digital amplifier is made of Use high-performance capacitors and NE5532 high performance low noise dual op amp low pass filter
The digital amplifier board is operated by wide working voltage DC12-19V(16V recommended)with reverse connection protection,and it is highly recommended for 4-8 ohm speakers;
TPA3110D2 is widely used in store solicitation, home theater, square speakers, etc.due to its excellent performance and comprehensive cost performance.

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SZHFJCTH Audio Amplifier Board... Price: $14.99 (as of 09/04/2023 11:07 PST- Details)