ALPEN 2-E17K

Model Name/Number	ALPEN 2-E17K	Color Available	Black
Weight	110 g	Dimensions	104.1 mm×62.2 mm×12.8 mm
Audio Input	Micro USB/Coaxial/3.5 mm jack（COAXIAL adapter attached）	Headphone output	3.5 mm stereo jack
Volume Control	Digital Volume Control (0-60)	Bass Adjustment	Yes
Recommended Headphne Impedance	16~150 Ω (Recommended)	Power Input	DC5V 1A recommended
Battery Capacity	1500 mAh	Battery Life	＞15 h
Output Power	＞ 200 mW (32 Ω/THD<1%)	Charge Time	≤ 220 min
THD+N	＜0.003% (1 kHz)	Output Impedance	＜ 1.1 Ω
Frequency Response	20 Hz~20 kHz	SNR	＞113 dB (AUX IN Gain 0 dB/6 dB)
Input Sensitivity	2.7 V (0 dB) 1.38 V (6 dB) 0.68 V (12 dB)	Max Input Level	＞4 Vrms
Crosstalk	＞75 dB (1 kHz)	Channel Imbalance	0.5 dB
Gain	0/6/12 dB	Bass Adjustment Range	±10 dB
MAX output voltage	＞7.8 Vp-p	MAX Output Current	＞115 mA

Frequency Response diagram of curves.
Test condition：
Aux Input: 200 mV, TREBLE=OFF, BASS=ON
Red curve: Left channel; Blue curve: Right channel; Magenta curve: Left channel.

Frequency Response diagram of curves.
Test condition：
Aux Input: 200 mV, TREBLE=ON, BASS=OFF
Red curve: Left channel; Blue curve: Right channel; Blue curve: Left channel.

Distortion diagram of curves.
Test condition：

Input: 200mV, Load: 32 Ω
Red curve: Left channel; Blue curve: Right channel.