Sony MDR-XB75AP Premium in-Ear Extra Bass Earphone:

Feature:

• 12mm neodymium driver units: Specially developed 12mm drivers combine a compact, lightweight design with a high sensitivity of 112dB/mW, for powerful sound without distortion at high volumes.
• Inline remote and mic for hands-free calls: Take hands-free calls and switch tracks without ever having to touch your smartphone, thanks to the inline remote and mic.
• Powered Bass Duct++ for extra deep bass: Powered Bass Duct++ technology delivers deep, responsive bass and powerful sub-bass, making it perfect for low-end focused music styles.
• Tangle-free cable: The cable has a serrated design to resist snags and tangles, keeping your headphones knot-free.

Specification:

• Model seal: Dynamic type
• Driver unit: 12 mm dome type (CCAW voice coil adopted)
• Sensitivity: 112 dB / mW
• Magnet: Neodymium
• Reproduction frequency band: 4 Hz – 26, 000 Hz
• Impedance: 16 Ω (at 1 KHz)
• Maximum input: 100 mW (IEC)
• Cord length: Approximately 1.2 m Ritz wire Y type
• Code type: Y type
• Input plug: Gold plated L type 4 pole mini plug