EX-577
Avant-grade Earphones with Acoustic Tuning
◊ Acoustic tuning port for accurate customization
◊ User variable bass adjustment
◊ Cobalt drivers deliver full acoustic range
◊ Lightweight in-ear design keeps the noise out
Specification
Driver Unit: Dia. 10mm Cobalt Magnet
Impedance: 16 ohm
Sensitivity: 104 dB / 108 dB
Frequency Response: 20 – 20,000Hz