Sony Enclosed Inner Ear Receiver MDR-XB55AP (White) [MDR-XB55AP W]

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Specifications
Headphone part * 1
Type : closed dynamic type
Driver unit : 12 mm dome type (uses CCAW voice coil)
Sensitivity : 110dB/mW
Magnet : neodymium
Playback band : 4Hz-24000Hz
Impedance : 16 Ω (at 1 kHz)
Maximum input * 2 : 100 mW (IEC)
Cord length : approx. 1.2m Litz wire Y-type
Cord type : Y-type
Input plug : gold plated L-type 4-pole mini plug
Mass * 3 : approx. 8g
Microphone part
Type : Inline microphone
Type : electret condenser type
Directional characteristics : all fingers tropism
Effective band : 20Hz-20000Hz
Open-circuit voltage level (0 dB = 1V/Pa) : -40 dB (0 dB = 1V/Pa)
Accessories : Hybrid Ear Piece (SS, S, M, L (2 each)) (not assessed), carrying pouch, clip, instruction manual, outer box