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SELECTED WOMEN'S COLLECTION

VHF 130MHz-200 MHz

UHF 450

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Hean Co., Ltd, is a high-tech company integrating R & D, production and sales, focusing on the production of earphone products for many years
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What are high fidelity headphones?
2024-02-27
What are high fidelity headphones?
What are high fidelity headphones?
The main performance of IEC 581-10 high fidelity earphone is as follows:The frequency response is not less than 50 Hz to 12500 Hz, and the allowable error of typical frequency response is ± 3 dB;The difference between the frequency response curves of two earphones for dual channel (such as stereo) c
2024-02-27