Topping NX4 DSD Portable Amplifier and DAC

Topping NX4 DSD Portable Amplifier and DAC

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Key info

The Topping NX4 DSD is a portable headphone amplifier and Dac with up to 28 hours of music (7.5 hours when using usb Dac).

All specifications

Physical characteristics
Weight 148 g
Dimensions (HxWxD) 11.0 x 6.8 x 1.4 cm
Specifications
Frequency Response 20Hz-20kHz (±0.041 dB)
Battery 2400mAh

Powerful output

Output resistance is no higher than 0.4Ω. Output power is up to 293mW @32Ω, THD+N 0.0009%; even for 300Ω load, ouput power is 114mW. Selectable 0dB and 8.8dB gain. Noise of them are as low as 2.5uV (0dB) and 6.5uV (8.8dB).
Selectable HIFI bypass or mega bass effect.

Exceed the HI-Res Audio Standard

CD sound quality can reach 20-20kHz frequency response range and Hi-Res Audio standard requirements 20-40kHz frequency response range.
NX4 Audio’s requirements. Well deserved to get the Japanese Hi-Res Audio certification.

XU208+ES9038Q2M

NX4 DSD use XU208+ES9038Q2M structure to support wide Audio format including 16-32bit/44.1-768kHz, DSD64-DSD256 (Dop), DSD64-512 (native). SNR is 199dB and THD+N is only 0.0008% in USB DAC mode. NX4 DSD use custom driver from Thesycon.

Full Aluminum Shell

We made the NX4 DSD’s full aluminum shell by a machining center.

Long playback time

NX4 DSD provides 28 hours playback time for headphone amp and 7.5 hours playback time for USB DAC + headphone amp. Moreover, NX4 DSD’s Power LED will turn red to remind you charge it as soon as possible when power is too low.

You can play almost all kinds of Audio source because NX4 DSD is compatible with 32bit/768kHz, DSD256 (Dop) and DSD512 (native).

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