SOtM
Ultimate High Performance Audio


SOtM dX-USB-HD Audiophile Asynchronous USB Interface
24/192 AES/EBU, SPDIF Toslink, SPDIF RCA Output


The SOtM dX-USB-HD is an audiophile asynchronous USB interface for 24/192 playback. This interface includes AES/EBU, SPDIF Toslink and SPDIF RCA ouputs  to insure compatibility with your DAC of choice. This interface automatically switch's between USB power and external power should you decide to audition with an external power source. The external power source can be a battery or a linear supply. When using USB power the interface has a unique design incorporating an ultra low noise regulator circuit. This interface also has dual full size high quality oscillators.

SPECIFICATIONS
USB input
USB specification 2.0 high speed
USB audio specification 2.0
USB B type connector
Sampling rate : 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz
Bit-depth : 16bit ~24bit, PCM

Coaxial output
Output impedance : 75Ω
Minimum output voltage : 0.5 Vpp
Sampling rate : 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz
Bit-depth : 16bit~24bit, PCM

Optical output
Maximum data rate : 12.8Mbps(NRZ code)
Output power range: -21dBm ~ -15dBm
Peak emission wavelength : 650nm
Sampling Rate : 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz
Bit-depth : 16bit~24bit, PCM

AES/EBU output
Output impedance : 110Ω
Minimum output voltage : 2 Vpp
Sampling Rate : 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz
Bit-depth : 16bit~24bit, PCM

Power requirement
USB power : +5Vdc
External power range: +7Vdc ~ +12.6Vdc
Power : 500mA >

ASIO support
ASIO 2.2 specification

OS support
Linux (kernel with high speed USB 2.0 support)
Windows XP with SP3 (32 bit)
Windows Vista with SP2 (32 bit)
Windows Vista x64 with SP2 (64 bit)
Windows 7 (32 bit)
Windows 7 x64 (64 bit)
Mac OS-X Snow Leopard

Dimension
Width : 105 mm
Height : 53 mm
Depth : 150 mmDual full size high quality oscillator
Weight : 1 Kg >

Indicate LED
Power source x 2
Sampling rate x 4

Power Regulation circuit
Ultra low noise regulator circuit
USB power only operating
External power input connector for external power supply(8 ~ 12.6Vdc)
Automatic power source switching

Components
400/500MIPS 32bit multi-threaded processors
Ultra high speed RS422 driver for AES/EBU, Coaxial
TOSLINK optical connector
PPS film chip capacitor
Conductive polymer capacitors
Audio grade electrolytic capacitors
Dual full size high quality oscillators

Options

SOtM mBPS-d2s Intelligent Battery Power Supply
Dual battery power supply for SOtM dX-USB-HD and tX-PCIexp

SPECIFICATIONS
Power input
Connector: 5.5mm x 2.1mm dc jack
Voltage: 9Vdc
Current: 1.5A

Power output
Connector: 5.5mm x 2.1mm dc jack
Battery output voltage: 6.5Vdc ~ 8.4Vdc
Current: 1.5A

Protection
Input over current
Output short
Battery over voltage
Battery under voltage

Dimension
Width : 105 mm
Height : 53 mm
Depth : 150 mm
Weight : 700g

Dimension
Width : 105 mm
Height : 53 mm
Depth : 150 mm
Weight : 700g

Options


SOtM sHP-100 Headphone AMP


The SOtM sHP-100 is a combination USB DAC and high performance headphone amplifier. The unit has analog volume control and supports USB, Coaxial, Optical, Analog input for 24bit/192KHz PCM and DSD playback. The unit has headphone output as well as analog line level output. Windows, Mac OS-X, and Linux are supported.

SPECIFICATIONS
Interface
Indicate lamp : USB, Coaxial, Optical, Analog
Volume control knob
Input select & mute switch(share with volume control knob)
             0.5sec < press : input change
             0.5sec > press : mute on/off 

USB input
USB specification 2.0 or higher
USB audio class 2.0
Native ASIO support
Linux, PC and Mac support
 
Optical, Coaxial input
Max bit-depth : 24bit
PCM sampling rate : 32KHz, 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz
DSD sampling rate : DSD64, DSD128
Coaxial input impedance: 75Ω
 
Analog input
Max input voltage : 2 Vrms
Input impedance : > 10kΩ
Frequency range : 20~20KHz @ 0.1dB
 
Headphone output
Low impedance, high impedance headphone selectable switch
Output power : TBD mW@ 5%
Frequency range : 20~20KHz @ 0.1dB
THD : < 0.003% @ 1KHz, 0dB
 
Analog line output
Variable level output, fixed level output selectable switch
Fixed level output voltage : TBD Vrms 5%
Output impedance : 47Ω 5% (Fixed level)
Frequency range : 20~20KHz @ 0.1dB
THD : < 0.003% @ 1KHz, 0dB
 
Power requirement
External power : 7.0 ~ 9.0Vdc, 1.5A
USB power : 5.0Vdc, 0.5A
 
Dimension
Width : 105 mm
Height : 53 mm
Depth : 150 mm
Except for knob and connectors
Weight : 1 Kg >

Options



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shipping cost are not refunded on returns