1)Frequency Response: Before buying a set of headphones check the range of Frequency response ie Bandwidth.It does not necessarily mean that a set of head/ear phones with wide frequency range provides a great driver.For completely assessing the frequency response only a set of numbers will do no good i.e.,20Hz-20kHz only gives us the simple frequency response.We also need to check the 3dB single line graph of the driver response.For example if a sound is supposed to start and suddenly have a sharp end,shows how well a driver responds.
2)Sensitivity(dB) : The name is very misleading.You may think that Sensitivity has something to do about sound levels.But the truth is "Sensitivity" is just a measure of how effectively the earphones use the power they receive.Earphones usually do not fully use the received power,they waste some as heat.So keep in mind that Sensitivity is solely an efficiency test.
Tip: Higher sensitivity earphones are less power hungry but still give a better performance at the same amount of power.
3)Power Handling and Impedance : Recommend power handling and impedance for mp3 player earphones
32 ohm earphone - 100mW peak / 50mW rated
16 ohm Earphone - 200mW peak / 100mW rated
These power handling recommendations are based on earphones with a sensitivity rating of 104dB and higher, going a little less if fine. If the earphones your going with have a lower sensitivity rating you would want the power handling to be less.
Recommended earphones for listening to Rock Music:
Tekkfusion Twin Woofer In-Ear Earphones
Website : tekkfusion.com
Price : Rs.1200
Order On : Flipkart.com
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