<p>Made of high-quality double-sided panels, simple and beautiful, with reasonable wiring, this module has a very high signal-to-noise ratio and good anti-interference ability.</p> <p>Voltage:AC 9V-12V</p> <p>Power: 10W dual power transformer</p> <p>Audio input: two-channel stereo input</p> <p>Audio output: Continuously adjustable subwoofer output</p> <p>Frequency division point: 59Hz -- 234Hz continuously adjustable</p> <p>PCB module size:89x83x28 mm</p> <p>Module weight: 79 grams</p> <p>This module is a subwoofer processing circuit with continuously adjustable crossover points, that is, a low-pass filter. The output end is connected to an ordinary pure power amplifier to form a subwoofer amplifier. The input can channel or two channels. channel stereo, very flexible and convenient to use, and a transformer with very small circuit power consumption is enough.</p> <p>Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use.</p> <p>Colour:Black</p> <p>Material:PCB</p> <p>Package Contents:</p> <p>1 x Bass Crossover Board</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection 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.</p>