Input impedance: 47 kohms
Maximum Gain: 10 dB
Frequency Response: 20 Hz to 30 kHz (-0.5 dB)
Signal to noise ratio: > 95 dB RMS unweighted at gain 0 dB
THD: < 0.02 % at 3 mW, 330 ohms
Channel separation: > 80 dB, 10 kHz
Output Power: 12 mW/330 ohms120 mW/33 ohms
Output impedance: 3 ohms
Connectors audio: each 2 x 3.5 mm minijack Stereo for Line In andLine Out/Headphone Out
Product Type: Headphone amplifier
Battery: LiPo 3.7 V, 4,000 mAh
Battery runtime: up to more than 20 hours on a single charge (dependent on volume)
Connection power supply: Micro-USB, 500 mA charging rate
Charging time: app. 6 hours (with a 500 mA charging device)
lwh: 80x90x25 mm
Weight: 196 g