Wisdom in mind,   enthusiasm at heart.

Home Products Warranty Shop Contact Us Shipment Chinese

DAC+Headamp+Preamp all in one, can work as decent DAC / headamp / preamp
Built in R-8 DAC
Built in Master 9 Pure class A headamp/Preamp

Built in real balanced pure class A headamp & preamp
Pure class A power 9000mW@40ohm
Dual gain modes can drive high/low sensitivity headphones
Built In 4 Group DA-7 V2 Modules

Built In FPGA Processor to Reject Jitter 
USB / HDMI support DSD native and DXD



Summarize Use Manual Specs Custom Option Shipping Cost

Improvement may result in changes in specifications and
design without notice.
S/N Ratio

<0.005% (Full Scale )


L mode : +12DB

H mode : +22DB

Volume characteristic

Channels imbalance
< 0.05DB
Frequency Breadth (Whole unit)
20Hz - 20KHz  (< - 0.25DB)
 Output Level
Preamp Variable output : 10V RMS (balance)

DAC Fixed output : 5 V  (XLR) /2.5V ( RCA)
Headphone amp Output Power
 (Balanced , Pure Class A ,each channel )

40 ohm: 9000MW
100 ohm: 3800MW
300 ohm: 1250MW

Headphone amp Output Power
 (Single-ended , Pure Class A, each channel  )
40 ohm: 2500MW

100 ohm: 1050MW

300 ohm: 350MW
Input Sensitivity
0.5 Vp-p(75 Ohms, Coaxial)

19 dBm (Optical)

Input impedance

XLR : 94K ohm

RCA : 47K ohm
Support Operate Systems (USB)
Windows, OSX, Linux, ISO
Support Sampling  
USB & IIS : 44.1kHz - 384kHz /32Bit DSD64-512

 Coaxial mode: 44.1kHz - 192kHz

Optical mode: 44.1kHz - 96kHz
Power Requirement
1 Version  100-120V  AC 50/60 Hz

2 Version  220-240V  AC 50/60 Hz
Power Consumption
Package Weight
Approximately 15KG

W430 X L430 X H85 (MM, Fully aluminium ) 
AC power cord  X1
USB cable  X1
Mini remote  X1 (Standard edition)




版权所有:          何庆华  睿志音响

Copyright(C) 2004   www.audio-gd.com    All Rights Reserved