Specification Brand : Jauarta BulletPoint1 : Pretty Sound: Equipped with NE5532 chip, this audio preamplifier board ensures better sound quality with little noise. BulletPoint2 : Channel: channel output enables more music enjoyment on the speaker, which is very convenient and . BulletPoint3 : Stable Works: Support DC12‑30V wide voltage input, the preamp module will work with high efficiency and reliability. BulletPoint4 : Wide Utility: Allows for flexible application in the amplification of all audio, and has 5 times amplification as well. BulletPoint5 : Easy to Install: Designed to have a light weight and a compact size, the simple installation can be quickly finished. Color : #511 ExternallyAssignedProductIdentifier : 4711939477448 IncludedComponents : No ItemName : Audio Preamplifier Board Channel NE5532 Chip Preamp Module DC12 30V XH A902 ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : audio-component-preamplifiers Manufacturer : Jauarta ModelName : Jauartai43aks96g1 ModelNumber : Jauartai43aks96g1 NumberOfItems : 1 PartNumber : Jauartai43aks96g1 ProductDescription : Specification: Item Type: Audio Preamplifier Board Product Model: XH-A902 Chip Model: NE5532 Number of Channels: Channel Amplification: 5 Times Power Supply: DC 12-30V Product Size: Approx. 50 x 30 x 15mm / 1.97 x 1.18 x 0.59in Installation Size: Approx. 43 x 23mm / 1.69 x 0.91in Diameter: 3mm / 0.12in
How to Use: XH‑A902 audio preamplifier board, and there is no sound when directly connected to the speaker. It has to connect the amplifier to the audio output and the power supply to the speakers to the sound. It connects the DC 12‑30V power supply to the power input terminal of the amplifier board, pay attention to distinguish the positive and negative poles, and VCC is the positive pole.