Jrifedptry 50mm Speaker DIY Headphone Speaker Composite Membrane Speaker Headphone Speaker Driver

2. In terms of technology, the technology adopts excellent production standards, so that the sound quality of the audio can be better presented 3. In terms of performance, the performance has a of music, and the three-frequency connection is smooth and the sound field is more relaxed and natural. 1. In terms of materials, high-quality raw materials are used to that they meet safety standards and are 4. safety, non- and radiation-free, green and environmentally friendly, safe to use