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For the characteristics of bookshelf speakers and monitoring speakers, our company has developed a complete series of Hi-Fi products from small power to high power. In line with the principle of simplicity, the use of a more concise appearance and more convenient operation, especially pay attention to the product sound quality. The Bluetooth chips used in this class are QCC, Mountain View and Torque high resolution chips. The company’s electronic frequency division products use TI’s NE5532 in the front stage, the power amplifier uses TI series high-fidelity power amplifier chips, and the capacitors used in the PCBA board are Samsung and Murata and other high-quality capacitors. This kind of product model company from 30W-300W full system, RMS output distortion is about 0.1%-0.3%, electronic frequency division is two frequency and three frequency division, frequency division products using imported devices to ensure product high fidelity sound quality. Bookcase/Monitor box series Models: JDW-03, JDW-04, JDW-05, JDW-11, JDW-16, JDW-19, JDW-6C(Class AB tube pair), JDW-26, JDW-29, JDW-X1BT, etc..