Wisdom in mind,   enthusiasm at heart.

NFB-10.33
Discrete  DAC+ Headphone amplifier / Preamplifier

32bit / 384K Asynchronous Transfer  USB-32 Chip
Built in 2 Pieces Hi-end grade WM8741 Chips

Specifications might subject to change without prior notice for product improvement.

S/N Ratio

>120DB 
　

Output impedance
　

2 ohm

Output Level
　

 Headphone output : 19V RMS (balanced , max)
Preamp Variable output (balanced) : 10V RMS (max)
Preamp Variable output (RCA) : 5V RMS (max)
Fixed output (balanced): 5V RMS
Fixed output (RCA): 2.5V RMS
ACSS： 2MA+2MA

Headphone amp output power level
(Only for  headphone.)
Balanced mode

9950MW /  25 ohm
5950MW /  50 ohm
 3300MW  /  100 ohm
1150MW / 300 ohm
590MW  /  600 ohm

Headphone amp output power level
(Only for  headphone.)
Single-ended mode
　

3300MW /  25 ohm
1650MW /  50 ohm
 850MW  /  100 ohm
300MW / 300 ohm
150MW  /  600 ohm

Input Sensitivity

0.5 Vp-p(75 Ohms, Coaxial)
19 dBm (Optical)

Frequency Response

20Hz - 20KHz （<-0.4DB）
0DBV output level
96K sampling input

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

Power Requirement

Version 1: 100-120V  AC 50/60 Hz
Version 2:  220-240V  AC 50/60 Hz

Power Consumption

18W

Package Weight

Approximately 5KG

Dimensions
　

Approximately W240 X L360 X H80 (MM, Fully aluminium ) 

Accessories

AC power cord            X1
USB cable                X1
Mini remote controller  X1