description: Material: PCB Amplifier board dimensions (L * W * H): 80 x 55 x 15 mm Power: 2.1 interface 8 ~ 25 V DC power supply Output impedance: 8 ohm best (4,6,8,16 ohm impedance can drive the speaker) Output Power: Supply 25 V, 6 Ohm Impedance Output 2 X 50W, 8 Ohm Impedance Output 2X40W Dual Channel Audio Input: Stereo input various versions of the Bluetooth connection, using CSR8630 Bluetooth chip, Bluetooth V4.0, software compatibility Features: 1. TDA7 P digital amplifier chip, designed to optimize the circuit layout, sound quality is very good, power. 2. DIP switch can be adjusted directly in the amplifier gain greater, and to better promote a larger damping angle. Package Included: 1 x 25W + 25W TDA7 P CSR4.0 Audio Digital Receiver Amplifier Board
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