Model Name |
Q1 |
KUNLUN-E18 |
ALPEN 2-E17K |
ANDES-E07K |
General Specifications |
Color Available |
Black |
Black |
Black |
Black |
Dimensions |
97mm x 56mm x 13.1mm |
130 mm×66.2 mm×14.6 mm |
104.1 mm×62.2 mm×12.8 mm |
96 mm×55 mm×15.2 mm |
Weight |
100 g |
162 g |
110 g |
102 g |
Displayer |
N/A |
N/A |
OLED 128×64/1.3 inch |
OLED 128×64 |
Analog Audio input |
Micro USB/3.5 mm Jack |
3.5 mm stereo Jack |
3.5 mm stereo Jack |
3.5 mm stereo Jack |
Digital Audio input |
Micro USB |
Micro USB |
Micro USB/ Coaxial input (3.5mm jack) |
Mini USB |
Headphone output |
3.5 mm stereo Jack |
3.5 mm stereo Jack |
3.5 mm stereo Jack |
2×3.5 mm stereo Jack |
Line Output |
3.5 mm stereo Jack |
3.5 mm stereo Jack |
Dock(Micro USB)/3.5 mm Line Out port |
18 Pin Dock |
Headphone Impedance Range |
16~150 Ω |
16~150 Ω |
16~150 Ω |
16~150 Ω |
Volume Control |
TOCOS Potentiometer |
ALPS Potentiometer |
Digital Volume Control (0-60) |
digital volume control (0-60) |
Bass Adjust |
0/5dB |
N/A |
±10 dB |
±10 dB |
Treble Adjust |
N/A |
0 dB/6 dB |
±10 dB |
±10 dB |
Balance Adjust |
/ |
5 dB |
5 dB |
|
GAIN Control |
-7dB/4.5dB (AUX IN) |
0/6 dB |
0/6/12 dB |
0/6/12 dB |
-3.5dB/8dB (USB IN) |
Line Out Bypass |
Yes |
YES |
YES |
YES |
Audio Performance (DAC Section) |
USB Sample Rate Support |
32/44.1/48/96 kHz (16/24 bit) |
32/44.1/48/96 kHz (16/24 bit) |
32/44.1/48/96 kHz (16/32 bit) |
32/44.1/48/96 kHz (16/24 bit) |
DSD 2.8 MHz Supported |
SPDIF Sample Rate Support |
/ |
/ |
32/44.1/48/96/192 kHz (16/24 bit) |
N/A |
THD+N |
<0.0045% (10 kΩ/1 kHz) (LO) |
<0.003% (1 kHz) |
<0.003% (1 kHz) |
<0.01% (1 kHz) |
SNR |
≥107dB |
>106 dB |
>105 dB |
>104 dB |
Dynamic Range |
>95 dB |
>100 dB |
>102 dB |
>104 dB |
Line Out Level |
>1.48 Vrms |
>1.3 Vrms |
>1.5 Vrms |
>1.1 Vrms |
Audio Performance |
Output Power1 |
>190 mW (32 Ω/THD+N<1%) |
>300 mW (32 Ω/THD+N<1%) |
>200 mW (32 Ω/THD<1%) |
>220 mW (32 Ω/THD+N<1%) |
Output Power2 |
>75 mW (150 Ω/THD+N<1%) |
>400 mW (32 Ω/THD+N<1%) |
|
>250 mW (16 Ω/THD+N<1%) |
Frequency Response |
20 Hz~20 kHz |
20 Hz~20 kHz |
20 Hz~20 kHz |
20 Hz~20 kHz |
SNR |
≥110dB (AUX IN) |
>110 dB (AUX IN) |
>106 dB(AUX IN Gain 12 dB) |
>108 dB (AUX IN) |
>113 dB(AUX IN Gain 0 dB/6dB) |
Output Impedance |
<0.3 Ω |
<0.3 Ω |
<1.1 Ω |
|
Crosstalk |
≥75dB (1 kHz) |
>72 dB (1 kHz) |
>75 dB (1 kHz) |
>71 dB (1 kHz) |
THD+N |
<0.005% (32 Ω/1 kHz) |
<0.005% (32 Ω/1 kHz) (PO) |
<0.003% (1 kHz) |
<0.005% (1 kHz)<0.3 Ω |
MAX Gain |
/ |
/ |
>12 dB |
>12 dB |
Peak Output Voltage |
7.2 Vp-p |
8 Vp-p |
>7.8 Vp-p |
>7 Vp-p |
Max. Output Current |
>75 mA |
>94 mA |
>115 mA |
>75 mA |
Max. Input Level |
4.3 Vrms |
1.5 Vrms |
4 Vrms |
4.5 Vrms |
Power and Battery |
Power/Charger |
DC5V 1A(recommended ) |
Recommend DC5V 2A |
Recommended DC5V 1A |
Recommend DC5V 1A |
Charing Display |
YES |
YES |
YES |
YES |
Battery Level display |
N/A |
N/A |
YES |
YES |
Capacity |
1400 mAh |
3500 mAh |
1500 mAh |
1200 mAh |
Battery Life |
>30 h |
>25 h (AUX IN) |
>15 h |
>20 h |
>12 h (USB IN) |
Charge Time |
≤4 h |
4 h |
≤ 220 min |
<3 h |