ขาย 150Wx2+300W Class D บอร์ดขยายเสียงพลังงานสูง ราคาที่ดีที่สุด

1. Using TAS5630, OPA1632DR, TL072 2. The main filter electrolytic adopts a capacity of 470UF/100V*4 to ensure strong and continuous power support. 3. The resistance uses five-ring metal resistance, and the main circuit adopts a five-ring metal film resistor with an accuracy of ±1%, which ensures a good signal-to-noise ratio of the whole machine. 4. Fully shielded high-current inductors are used to ensure a clear and powerful sound. 5. The PCB adopts 1.6mm thick double-sided board, 2.0 oz copper thickness, and full tin spraying process to ensure good passing performance of large and small currents. Product name: Audio power amplifier board Working method: Class D Quiescent current: 65mA Work efficiency: 88% Output power: 300W+2*150W/4 ohm 10% THD Frequency response: 20Hz to 20KHz Signal to noise ratio: 100dB (A-Weighted) Working voltage: DC48V Potentiometer function: from left to right 1. Subwoofer volume 2. Left and right channel treble 3. Left and right channel volume 4. Total volume Colour:Photo Color Material:PCB+metal Size:150 x 95mm Package Contents: 1 x Audio Amplifier BoardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.