基本上是給 iPhone, 有含麥克風 (跟按鈕). 蠻像我想像的小黑四進化版 (雖然它的 specs 看起來比較像 ER-6i), 但是所有的配件都有新的料號, filter 的設計看起來也不一樣...
Technical Specifications
- Frequency response: 20 Hz -16 kHz
Noise isolation: 35- 42 dB (depending on eartip used)
Acoustic polarity: + electrical = + acoustic
Transducer type: Balanced armature
Sensitivity (1 kHz): 105 dB SPL for a 0.1 VRMS input
Impedance: 16 Ohms (nominal)
Maximum output: 120 dB SPL
Maximum continuous input: 0.55 VRMS
Microphone sensitivity: -40 dB V/Pa
Cable: 4 ft
Weight: 1.3 oz
