ขาย ♬ PAM8403 บอร์ดขยายเสียงดิจิตอล 5V โพเทนชิโอมิเตอร์ USB ราคาที่ดีที่สุด

Features: 1.Excellent noise suppression, in the absence of circumstances connected to input audio ear close to the speaker can not hear any noise. 2.Two-channel stereo, 5V power supply can output 3W 3W power, can directly drive 4Ω, 8Ω small speakers. 3.The output power large, full of energy, good sound quality. 4. The unique non-LC filter Class-D digital power board can be directly used computer USB power supply. 5.Double panel wiring, wiring properly resolve the ground potential caused by balance and inter-channel crosstalk. Descriptions: 1.Ultra-miniature design, can easily be placed in a variety of digital products within a small space, high amplification efficiency. 2.All using the whole plate welding machine, welding quality comparable non-manual soldering iron. Specifications: Model Number:PAM8403 Power: Low Power Color:green Supply Voltage:5V Operating Temperature:-40 to +85℃ Type:Voltage Regulator Item size: 20 x 18 x 3mm Item Weight: 2g Package informations: Package size:78 x50x 3mm/3.07 x1.97 x0.12 in Package weight:2g/0.05oz Polybag Package Package list: 1 x PAM8403 Super Mini Digital Amplifier Board