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Headset sensitivity is good or good

For headset sensitivity, many users may have beats by dr dre never heard of, but for the headset enthusiasts, the word is not very strange. Usually the earphone sensitivity is high, the easier it is to drive, the more convenient it is to use the headset. So headset sensitivity is still small or small? Then let us work together to understand the next bar. What is the sensitivity of the headset?

Headset sensitivity is good or good

Headphones usually said headset sensitivity is actually the sensitivity level of the headset, it is applied to the headset 1mW of electric power, the headphones produced by the simulation of the ear (dummy head) in the sound pressure level, 1mW power is the frequency 1000Hz when the standard impedance of the headset based on the calculation.

The unit of sensitivity beats headphones cheap is dB / mW, and the other is not commonly used dB / Vrms, that is, 1Vrms voltage applied to the headset when the sound pressure level. High sensitivity means to achieve a certain sound pressure level required power is small, and now the dynamic headphones are generally more than 90dB / mW sensitivity, if you buy Walkman headphones, the sensitivity of the best in 100dB / mW or so, Should be based on actual needs to select the appropriate sensitivity of the headset.

Headphone sensitivity is good or a small headset sensitivity and beats by dre a word is very close, that is the impedance. Headphone input 1 mW power when the headphones can be issued by the sound pressure level. Sound pressure unit is decibel, the greater the sound pressure the greater the volume, so the higher the general sensitivity, the smaller the impedance, headphones easier to speak, the easier to drive. Impedance refers to the size of the resistance of the headset itself, the unit is ohm (锟斤拷). The smaller the resistance, the more easy to drive the headset, the greater the resistance, the more difficult to drive. General Walkman headphone resistance is 16锟斤拷-64锟斤拷. The sound of the headphones will sound somewhat mixed, and for low-impedance headphones for a variety of portable players such as CDs, MDs, or MP3s, these low-impedance headphones are easier to drive.