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TOPPING DX1 AK4493S DAC AMP
The DX1 features a brand new AKM DAC chip and supports up to 32-bit/384kHz and native DSD256. In addition, the DX1 has 2 headphone outputs (3.5mm and 6.35mm) and dual gain settings. It has an impressive 120dB of dynamic range and an XMOS USB controller.
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Descriptions:
> New-Generation AKM DAC Chip
> Topping has equipped the latest DX1 with the latest generation AKM DAC chipset. It houses the AK4493S DAC chip from AKM’s Velvet Sound technology, it’s a 32-bit DAC upgraded from the classic AK4493. It helps the DX1 to provide crisp high-resolution audio signal decoding.
> High-Resolution Audio Decoding
> Topping DX1 is an all-in-one solution for all your Hi-Fi needs. The device supports high-resolution PCM and DSD signal decoding bringing an authentic high-resolution audio experience to your desktop. It has an XMOS XU208 USB receiver chip that provides 32-Bit/384kHz and Native DSD256 signals.
> Plug & Play, No Adapter Required
> Topping DX1 is widely compatible with a range of desktop devices. It doesn’t require any additional power adapter and works directly off your sources like Windows/Ma/Linux and even Android devices.
> Discrete LNRD Circuit
> In order to reduce noise from USB power, DX1 features a Discrete LNRD circuit(low noise reference driver). It filters out the noise and interference of USB 5V power and provides a clean and stable power supply to the device.
> Compact Size, Powerful Output
> Topping DX1 is a powerful device, it packs a punch in its compact size. It has a powerful output rating of up to 280mW @ 32Ω of load. It has two level gain modes, Low and High. Easily power your IEMs and HPs with the DX1.
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Specifications:
DX1 DAC Parameters (USB ln @ 44.1kHz):
> THD+N @1kHz (A-wt)<0.0002 %
> THD @20-20kHz 90kBW<0.0006%
> SNR @1kHz (A-wt):120dB
> Dynamic range @1kHz (A-wt):120dB
> Frequency Response:
> 20Hz-20kHz (±0.3dB)
> 20Hz-40kHz (±0.7dB)
> Output Level:2.0Vrms @0dBFS
> Noise (A-wt) <2.0uVrms
> Channel Crosstalk @1kHz:-112dB
> Channel Balance:0.3 dB
> Output Impedance:22Ω
DX1 Headphone Amplifier Parameters:
> THD+N @1kHz ( A-wt)
> <0.0003% @ Output=200mW (32Ω)
> <0.0002% @Output=4 5mW (300Ω)
> THD @20-20kHz 90kB W
> <0.003% @Output=200mW (32Ω)
> <0.001% @Output=45mW (300Ω)
> SNR @MAX OUT 1kHz ( A-wt):118dB
> Dynamic Range @1kHz (A-wt):118dB
> Frequency Response:
> 20Hz 20kHz (±0.3dB)
> 20Hz-40kHz (±0.7dB)
> Output Level
> 2.2Vpp @G=L
> 11Vpp @G=H
> Noise ( A-wt)< 1.0uVrms
> Channel Crosstalk @ 1kHz:-86dB
> Gain:
> -2dB (Vrms/FS) @G=L
> 12dB (Vrms/FS) @G=H
> Output Impedance< 0.5Ω
> Output Power
> 280mW X 2 @32Ω THD+N<0.1 %
> 190mW X 2 @64Ω THD+N<0.1 %
> 51mW X 2 @300Ω THD+N<0.1 %
> Load Impedance>8Ω
