Product Review
What is Hi-Res?
-- Unmistakable Sony sound. Superior comfort. Premium design. They’re everything great headphones should be. Bring out the most in your music with wide-frequency, 40mm drivers and Beat Response Control for strong bass.
Why do you choose Hi-Res?
-- Hi-Res technology and deliver create an amazing and high-resolution reproduction of the original sound. It provides low-loss signal transmission of 24-bit digital audio with the encoding and playback of music, using higher sampling rates than the standards used in CDs.
Requirements applicable to the earphonesÂ
Frequency Response: 20~45,000 HzÂ
Mylar thickness: 6μÂ
Normal Impedance: 16Ω±20% @ 1KHzÂ
Normal Power Rating: 3mWÂ
Maximum Input Power: 5mWÂ
Output S.P.L.: 100±3dB SPL @ 1KHzÂ
Input S.P.L.: 126mVrms SPL @ 1KHz
R/L Output Difference: ≦1.5dB @ 1KHz 1mWÂ
Distortion: 2% (Max. 1KHz/1mW)Â
Buzze & Rattle: 50~3K Hz (0.28V)Â
Package includes
1 * Hi-Res In-Ear EarphoneÂ
3 pairs * S & M & L Size Earplugs
1 * Instruction Manual











