Headphone 耳筒 / ETYMOTIC / ER4PT
ER4PT

ER4PT, the newest model in the MicroPro series, is intended for sound engineers and audiophiles in constant motion. ER•4PT combines the acoustic characteristics and features of ER•4P earphones, and comes with extra mobile adapters and accessories for trav

Specification

Accuracy Score : 4B (92%) 4S (92%) 4P (86%) 4PT (86%)

Impedance (@1 kHz) :
4B (100 Ohms) 4S (100 Ohms) 4P (27 Ohms) 4PT (27 Ohms)

Sensitivity (@1 kHz) SPL at 0.1V :
4B (90 dB) 4S (90 dB) 4P (102 dB) 4PT (102 dB)