ขาย เครื่องขยายเสียงซับวูฟเฟอร์บลูทูธ 4.2 100W Hifi Stereo Tpa3116 ดิจิตอล 2.1 ช่องสัญญาณเดสก์ท็อป 50Wx2 ราคาที่ดีที่สุด

Maximum Power Per Channel: 100W el Number: TPA3116 * 2 NE5532 Channels: 3 (2.1) Package: Yes Colour: Black Material: aluminum alloy Features: 1. Using original TPA3116 2. Using classic op amp, Texas Instruments 5532, removable 3. The resistor is made of precision patch to ensure a good signal-to-noise ratio of the whole machine. 4. PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and spray tin full process to ensure good passing performance of large and small currents. First-class PCB quality. 5. With fully enclosed dustproof potentiometer, the performance is more stable, more durable than ordinary potentiometer! 6. Use high-current inductors for red and gray ring audio to ensure the sound is crisp and powerful. 7. This machine adopts all-aluminum chassis, the surface of the chassis is all processed by brushed oxidation coloring process, all aluminum knobs, feel very good! 8. Appearance size: 185 * wide 105 * high 43MM Basic parameters: 1. Working method: Class D 2. Quiescent current: 50mA 3. Work efficiency: 90% 4. Rated output power: 2 * 50W+1 * 100W 5. Frequency response: 20Hz to 20KHz 6. Working voltage: DC18V to DC24V(recommend to use DC24V without supply power) 7. Min output current: 3A The function of the knob from left to right is: left and right channel treble adjustment, left and right channel bass adjustment, subwoofer volume adjustment, subwoofer frequency adjustment, total volume adjustment Package included: 1PC * Power AmplifierOnly 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.