Sell DSPH DC 10-24V Subwoofer Amplifier Preamp Board Subwoofer 22Hz-300Hz Frequency HOT best price

Features of this board: 1. All the components are selected from the brand-new first-class products. The original Philips CBB capacitor is selected as the frequency regulating capacitor, and the Taiwan made fully sealed type is selected for the regulating potentiometer. The input and output terminals are made of pure copper, so the connection is very convenient. 2. The operational amplifier uses Dezhou ne5532, which can be replaced at any time with the IC base welded, so as to feel the effects brought by different operational amplifiers and improve the playability. 3. LED indicator is designed to monitor the power supply in real time. 4. The PCB design of this board is simple and beautiful, and the wiring is reasonable, which makes the board have high signal-to-noise ratio and strong anti-interference ability. When there is no signal input, noise can hardly be heard near the horn. Main parameters: Power supply voltage: DC 10-24 V single power supply Frequency range: 22hz-300hz Audio input: mono or dual Audio output: mono PCB specification: 78x32mm, thickness: 1.6mm PCB Material: super hardness FR-4 fiberglass board Net weight of finished board: 30g The center distance of plate fixing hole: 70x24mm, hole diameter: 3.2mm Center distance of potentiometer shaft: 32.5mm Packing: 1Pc