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Topping NX3s Portable Headphone Amplifier Silver $92.64 Delivered (Was $109) @ Aoshida HiFi via Amazon AU

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Topping NX3s Portable Headphone Amplifier

Product Name:Topping NX3s
Color: Black,Silver
Size: 10.7 * 6.6 * 1.36 CM (Excluded protruding parts)
Weight: 157G (Excluded accessories)

Performance parameters
Chipset: OPA2140 + LME49720
Charge Description: DC5V1A, (also can be charged by computer USB port).
Input interface: 3.5mm headphone interface
Ear output interface: 3.5mm headphone interface
Battery capacity: 2400mAh
Full fill charging time <4H
Standby time >18H
Power indicator: Blue (bright red when low power).

Charge indication: red when charging (slow charging); orange (fast charge), bright green when full of electricity.

Product parameters
Total harmonic distortion @a-weighting
<0.0017%@ 1KHZ Output=273mw (32Ω)
<0.0025%@2020 khz Output=273mW (32Ω)
<0.0003%@1 khz Output=50mW (300Ω)
<0.0008%@20-20 khz Output=50mw (300Ω)

Output amplitude:
11.5vpp @32Ω Gain=L, Bass=OFF
15 [email protected] 300Ω Gain=L, Bass=OFF

Bottom noise:
<2.5uVrms @ Gain=L
<6.5uVrms @ Gain=H

Signal to noise ratio @ A-weighting: >[email protected]
Frequency response: 20Hz - 200kHz (±0.55dB)
Channel crosstalk: -90db @1khz
Channel balance: 0.04dB
Gain: 0db/8.8dB
Bass boost: 0db/4db (70HZ)
Output power: 545mW x 2 @32Ω THD+N<1% 100mW x 2 @ 30Ω THD+N<1%
Adapted impedance : 16 - 300Q

Package included:
1 * Topping NX3s Headphone Amplifier
1 * USB charge cable
1 * 3.5mm cable
5 pairs * Velcro
2 * Bandage
1 * User's manual
1 * Warranty card
1 * Rubber pad

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