This is a small digital amplifier board, encorporating a TDA2024 it has digital signal processing technology and mixed signal processing with a powerfull integrated circuit. Good efficiency high fidelity. Compact and powerfull. Widely used in multimedia computer, portable audio, home theater, car audio, etc.   
No heat sink; Suitable for any 4-8 ohms speakers;   
Compared with the traditional AB  power amplifier this produces much higher sound levels


12v 3 Amp power supply

4 Ohm speakers
        Single power input design.   
        Brand new and high quality.   
        Single 12 volts power supply.   
        Class-T architecture.   
        0.04% THD+N @ 9W, 4Ω.   
        0.18% IHF-IM @ 1W, 4Ω.   
        6W @ 8Ω, 0.1% THD+N.   
        11W @ 4Ω, 0.1% THD+N.   
        10W @ 8Ω, 10% THD+N.   
        15W @ 4Ω, 10% THD+N.   
        88% @ 10W, 8Ω.   
        81% @ 15W, 4Ω.   
        Dynamic Range:102 dB.   
        Mute and Sleep inputs.   
        Turn-on & turn-off pop suppression.   
        Over-current protection.   
        Over-temperature protection.   
        Dimension : 9.2 x 5.3 x 1.5cm.   

Note: The amplifier board is designed for 12V DC, the maximum should not exceed 15V DC. The positive and negative can not be reversed.

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