Headphone Impedance
OFF—Mono: 200 ohms, ON—Mono: 280 ohms OFF—Stereo: 400 ohms, ON—Stereo: 560 ohms All @ 1kHz
Speaker Frequency Response (Active)
20Hz to 20kHz (volume sliders max)
Microphone Electret
Bias: 8-16V (Not polarity sensitive) Bias Resistance: 220Ω-2200Ω Dual Aperture Disc
Sensitivity Electret
16mV-132mV across 8-16V Bias Re: 94dB SPL input at 6mm