Different headphones should be used according to the purpose. If it is for general learning and listening to news, you only need to choose a lower-priced head-mounted, ordinary electromagnetic headphones, and earphones with volume adjustment is better. For music, choose high-fidelity headphones. The most convenient to use is a wireless headset, no connection required....[detailed]

The tube headphone amplifiers on the market all use female output as the final power amplifier. This type of circuit structure should be said to be very reasonable. Therefore, it is adopted by most manufacturers. However, this circuit has a high output impedance and can only be equipped with headphones above 200 and 300 ohms, and the higher the impedance, the smaller ...[detailed]

The main performance of the International Electrotechnical Commission IEC581-10 standard high-fidelity headphones is:The frequency response is not less than 50Hz to 12500Hz; the allowable error of typical frequency response is ± 3dB;The frequency response curve of two headphones (such as stereo) corresponds to the difference between the average sound pressu...[detailed]

Different headphones should be used according to the purpose. For general learning and news, choose head-mounted, ordinary electromagnetic headphones. If you are listening to music, you should use mid-range headphones. If you want to enjoy high-quality music, you should use high-fidelity headphones, such as high-quality dynamic or capacitive headphones. If it is easy ...[detailed]

Hygiene, the choice of used headphones should be considered.[detailed]