New TOPPING NX3s Portable Amp HiFi Headphone Amplifier

SKU: topping NX3s
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Price: US$69.99
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Far beyond Hi-Res Audio Topping NX3S could easily drive almost all headphones Topping NX3S :high power output,works for almost all headphones Topping NX3S uses OPA2140+LME49720 to provide you with a live and musical sound. One year warranty

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Details

Spec:

Measured:10.7cmx 6.6cmx 1.36cm
Weight: 157g(Unit only)
Color:Full black/Full silver
Power input:DC5V1A(PC's USB 0.5A is OK too)
Line In/Out:3 5mm
Headphone output:3 5mm
Battery capacity:2400mAh
Charge time:<4H
Playback time:>18H
Power LED:Blue light (it lights red when power is too low)
Charge LED:Light red (slow) or Light orange (fast) when NX4 DSD is charging; Light green when charge is completed.

THD+N
@A-weighting:
<0.0017% @ 1kHz Output=273mW(32Ω)
<0.0025% @ 20-20kHz Output=273mW(32Ω)
<0.0003% @ 1kHz Output=50mW(300Ω)
<0.0008% @ 20-20kHz Output=50mW(300Ω)

SNR
@A-weighting: >120dB @ 1kH
Frequency Response:20Hz-200kHz(10.55dB)

Output Level:11.5Vpp @ 32ΩGain=L,Bass=OFF
15 Vpp @ 300ΩGain=L ,Bass=OFF
Noise:<25uVrms @ Gain=L
<6.5uVrms @ Gain=H
Channel Crosstalk:-90dB @1kHz
Channel Balance:0.04 dB
Gain:0dB/8 .8dB
BASS:0dB/4dB(70Hz)
Output Power:545mW x 2 @ 32Ω THD+N<1%
100mW x 2 @ 300Ω THD+N<1%
Adapter lmpedance:16-300Q


Contents list:

NX3s *1
USB charge cabbie *1
3.5mm cable *1
Velcro *5 pair
Rubber band *2
User's manual *1
Warranty card *1
Rubber pad *1

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