Topping NX3s
Specification:
Measured: 10.7cm*6.6cm*1.36cm
Weight:157g（Unit only）
Colour:Full black/Full silver
Power input: DC5V/1A(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 (Light’s red when power is too low)
Charge LED:Light’s red(slow)or Light’s orange(fast) when NX4 DSD is charging;Light’s green when charge is completed.
Parameters
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 @1kHz
Frequency Response: 20Hz-200kHz (±0.55dB)
Output Level:11.5Vpp@32ΩGain=L,Bass=OFF
15Vpp@300ΩGain=L,Bass=OFF
Noise: <2.5uVrms@Gain=L
<6.5uVrms@Gain=H
Channel Crosstalk:-90dB@1kHz
Channel Balance:0.04dB
Gain: 0dB/8.8dB
Bass:0dB/4.0dB(70Hz)
Output Power: 545mW*2@32ΩTHD+N<1%
100mW*2@300ΩTHD+N<1%
Adapter Impedance:16-300Ω
৳ 6,500.00
Provides with 20-200kHz frequency response and brings more details, high power output, could easily drive almost all headphones.
OPA2140+LME49720 design, LME49720 is installed on an OP AMP socket, DIYer can swap the OP AMP to get a different sound.
Volume knob design, lower the risk of accidental but unintended volume adjustment.
Bass boost and gain setting makes it fit for a wide range of input level. A built-in 2400mah Li-ion battery provides 18 hours playback time, can be charged with 0.5A or 1A USB power adapter.
Caution: If connected to a cellphone, it’s very likely to have constant pops, crackles and background noises due to the interference. Turn on the airplane mode is suggested.
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