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NFB-27 (Full 32Bit / 192K)
Fully Discrete  DAC+ Head amp / Preamplifier

32bit / 192K
Sabre ES9018 applied TCXO
32bit / 384K Asynchronous Transfer  USB-32 Chip
5 groups digital & 3 groups analogy inputs

Price:      (Exclude shipping cost)
               USD 1480 (Without remote)
               Remote +USD50


Summarize Use Manual Specs Technology Detail Custom Option Shipping Cost

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

+7 DB (70 steps volume control) (XLR)
+13DB (99 steps volume control) (XLR)

Volume characteristic
Linear @ 70 steps
Exponent @ 99 steps

Channels cross
> 130DB

Channels imbalance
< 0.05DB
Frequency Breadth
20Hz - 20KHz  (< - 0.1DB)
1Hz - 140KHz    ( - 3DB )
 Output Level
 Headphone output : 22V RMS  (balance , max)

Preamp Variable output : 10V RMS (balance,  max)

DAC Variable output : 5 V RMS (balance,  max)

Headphone amp output power ability
(Only  headphone.)
Balanced mode

6000MW /  50 ohm

 3500MW  /  100 ohm

1200MW / 300 ohm

600 MW / 600 ohm


Output impedance
1 ohm /  Headphone output

1 ohm / DAC output
Input Sensitivity
0.5 Vp-p(75 Ohms, Coaxial)
19 dBm (Optical)
USB1.1 ,USB2.0 (Full Speed, Class 2)

Support Operate Systems (USB)

44.1kHz to 192kHz

Support Sampling

 USB model: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz , 192kHz
 Coaxial model: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz ,192kHz
Optical model: 44.1kHz, 48kHz, 88.2kHz, 96kHz (176.4KHz and 192KHz available if the source support)

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 H93(MM, Fully aluminium ) 
AC power cord            X1
USB cable X1
Operating Temperatures
+5 °C to +40 °C
Operating Humidity
5 % to 90 % (without dew)



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