睿志音响

	Wisdom in mind, enthusiasm at heart.

NFB-28 (Version 2014 )(DSD / DXD )(Since 1st May 2014)
Discrete DAC+ Headphone amplifier / Preamplifier
With XLR / RCA analog inputs
DSD , DXD support from USB
32bit / 384K Sabre ES9018
32bit / 384K Asynchronous Transfer USB-32 Chip

Summarize

Use Manual

Specs

Custom Option

Shipping Cost

Specifications might subject to change without prior notice for product improvement.
S/N Ratio	>120DB
THD	<0.0005% (0DBV output level )
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) ACSS： 2MA+2MA
Headphone amp output power level (Only for headphone.) Balanced mode	8000MW / 40 ohm 3500MW / 100 ohm 1200MW / 300 ohm 600MW / 600 ohm
Digital Input Sensitivity	0.5 Vp-p(75 Ohms, Coaxial) 19 dBm (Optical)
Analog Input Sensitivity	0.7V RMS to 5V RMS (RCA) 0.7V RMS to 10V RMS (XLR)
Gain	Low gain mode : 0 DB High gain mode : +12DB
Frequency Response (DAC +AMP)	20Hz - 20KHz （<-0.05DB）
Support Operate Systems (USB)	Windows, Mac
Support Sampling	USB model: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz , 192kHz, 352.8kHz,384kHz 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	25W
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