Part number:1 Description:Pure power amp is simply the volume of the amplifier,without preamplifier circuit,audio input directly promote the pronunciation without any modification after speaker amplified sound authentic,pure and natural.Almost no static noise,an excellent sense of hearing, fewer external components,easy to install,very suitable for conversion or installation of home audio system, widely used in a variety of speakers.Feature:The power amplifier IC TDA2030 amplifier board is composed of the center, component layout is reasonable, almost no static noise, high fidelity, low distortion, fewer external components, assembly is simple, big power 15W + 15W), etc., suitable for electronic enthusiasts and audiophiles DIY.Parameter:Input voltage: AC 9-15V or DC 9-15V (DC input note to distinguish between sub-polar, AC input, regardless of polarity) Output power:Po=15W+15W (RL = 4) Output impedance:4-8 PCB Size:66x56mmThickness:1.6mmMaterial: FR-4 Package:1 x Audio Amplifier Board Pure power amp is simply the volume of the amplifier,without preamplifier circuit. The power amplifier IC TDA2030 amplifier board is composed of the center, component layout is reasonable. Suitable for electronic enthusiasts and audiophiles DIY. Almost no static noise , an excellent sense of hearing, fewer external components, easy to install, very suitable for conversion or installation of home audio system, widely used in a variety of speakers. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. Pure power amp is simply the volume of the amplifier,without preamplifier circuit. The power amplifier IC TDA2030 amplifier board is composed of the center, component layout is reasonable. Suitable for electronic enthusiasts and audiophiles DIY. Almost no static noise , an excellent sense of hearing, fewer external components, easy to install, very suitable for conversion or installation of home audio system, widely used in a variety of speakers. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.