Features The power amplifier board contains the TPA3110 chip, which can ensure high‑quality sound The sound distortion is significantly reduced, bringing you great listening enjoyment and meeting your needs Used in computers and other electronic devices to make a better amplified sound experience Using 2.0 channel digital stereo design, the signal‑to‑noise ratio is 100 decibels, you can use the power amplifier board with confidence This digital power amplifier module has professional design, with reasonable structure, easy to replace and install, and small in size and easy to carry Specification: Item Type: Audio Amplifier Board Material: Printed Circuit Board Purpose: Used in Computers and Other Electronic Devices to Create a Better Amplified Sound Experience Power Amplifier Type: Class D Input Voltage: DC8-26V DC Input Current: More Than 3A Number of Channels: Two Channels Peak Value: 30W+30W Output Impedance: 4-8Ω Signal to Noise Ratio: 100dB Appearance Size: Approx. 53 x 45 x 14mm / 2.1 x 1.8 x 0.6in Package List: 1 x Audio Amplifier Board Package List 1 x Audio Amplifier Board