亦軒耳機 [HKAVPE激減] Beyerdynamic A1 Features • Big volume control with high-grade ALPS potentiometer • 2 LEDs to indicate the active signal input • Multicolour Power LED • 1/4" headphone socket ( Product #: mingohp-[HKAVPE激減] Beyerdynamic A1 Regular price: $HKD $5800.0 Available from: 亦軒耳機 In stock