Pressure gradient electret condenser 電容式 20Hz - 20kHz 35Hz – 18kHz ±3 dB 10 Ω 79 dB 105 dB SPL (A-weighted, as per IEC651) 15 dB SPL (A-weighted, as per IEC651) 120 dB SPL (1kHz @ 1% THD, 600 Ω load) -26 dB re 1V/Pa (50mV @ 94dB SPL) ± 1dB @ 1kHz 94g / 171 x 21.6mm 內建充電式鋰電池 (350mAh),可使用約30小時