睿志音响

	Wisdom in mind, enthusiasm at heart.

NFB-16

Portable Discrete DAC+ Headphone amplifier
USB or internal battery power supply(12.6V/2500MA)

Supports full speed Asynchronous Transfer Mode
Built in the Tenor TE8802 chip
Built in Hi-end grade WM8741 Chip
With USB to coaxial conversion
Support analog input

NFB-16 Price: USD193
Accessories: USB cable X1 , Battery charge X1

NFB-16

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NFB-16
　

Digital Filters Description

Frequency response diagram from headphone output
( Click to zoom)

OS : 8 Filter : 2	8X oversampling , Minimum phase apodising filter. Up to 48KHz support.	Input sampling 44.1KHz,24Bit, -2.5DB at 20KHz	Input sampling 48KHz,24Bit, -0.2DB at 20KHz , -3DB at 23KHz


OS : 8 Filter : 1	8X oversampling , Linear phase apodising filter. Up to 48KHz support.	Input sampling 44.1KHz,24Bit, -0.2DB at 20KHz , -3DB at 25KHz	Input sampling 48KHz,24Bit, -0.2DB at 20KHz , -3DB at 25KHz


OS : 8 Filter : 3	8X oversampling , Linear phase half-band filter for backward compatibility. Up to 48KHz support.	Input sampling 44.1KHz,24Bit, -2.5DB at 20KHz	Input sampling 48KHz,24Bit, -0.2DB at 20KHz , -3DB at 23KHz


OS : 4 Filter : 2	4X oversampling , Minimum phase 'soft-knee' filter. Up to 96KHz support.	Input sampling 44.1KHz,24Bit, -3DB at 15KHz	Input sampling 48KHz,24Bit, -3DB at 17KHz	Input sampling 96KHz,24Bit, -0.2DB at 20KHz , -3DB at 31KHz


OS : 4 Filter : 1	4X oversampling , Linear phase 'soft-knee' filter. Up to 96KHz support.	Input sampling 44.1KHz,24Bit, -3DB at 15KHz	Input sampling 48KHz,24Bit, -3DB at 17KHz	Input sampling 96KHz,24Bit, -0.2DB at 20KHz , -3DB at 31KHz


OS : 4 Filter : 3	4X oversampling , Linear phase 'brickwall' filter. Up to 96KHz support.	Input sampling 44.1KHz,24Bit, -2.8DB at 20KHz	Input sampling 48KHz,24Bit, -0.3DB at 20KHz , -3DB at 24KHz	Input sampling 96KHz,24Bit, -1DB at 20KHz , -3DB at 42KHz


OS : 2 Filter : 2	2X oversampling , Minimum phase 'soft-knee' filter. Up to 192KHz support.	Input sampling 44.1KHz,24Bit, -3.2DB at 20KHz	Input sampling 48KHz,24Bit, -2.5DB at 20KHz , -3DB at 22KHz	Input sampling 96KHz,24Bit, -0.5DB at 20KHz , -3DB at 25KHz


OS : 2 Filter : 1	2X oversampling , Linear phase 'soft-knee' filter. Up to 192KHz support.	Input sampling 44.1KHz,24Bit, -3.5DB at 20KHz	Input sampling 48KHz,24Bit, -2.7DB at 20KHz	Input sampling 96KHz,24Bit, -0.8DB at 20KHz , -3DB at 25KHz


OS : 2 Filter : 3	2X oversampling , Linear phase 'brickwall' filter. Up to 192KHz support.	Input sampling 44.1KHz,24Bit, -2.5DB at 20KHz , -3DB at 22KHz	Input sampling 48KHz,24Bit, -2DB at 20KHz , -3DB at 23KHz	Input sampling 96KHz,24Bit, -0.2DB at 20KHz , , -3DB at 40KHz

Improvement may result in changes in specifications and design without notice.
S/N Ratio	>100db (Power supply by Macbook Pro) >108DB ( Power supply by battery)
Output Level	Headphone output : 4V Max (battery power supply)
Output power Only for headphone.	USB power supply : 80mW / 15 ohm Battery power supply : 650mW/25 ohm 160mW/100 ohm
Channel Cross	DAC to Line in : Have not cross Line in to DAC : >77DB at low gain model
Output impedance	1 ohm / Headphone output
Coaxial output Level	0.5 Vp-p(at 75 Ohms)
Input Sensitivity	USB1.1 ,USB2.0 (Full Speed, High Speed, Class2)
Support Sampling	USB model: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Frequency Breadth	20Hz - 20KHz （-0.1DB）
Power Requirement	USB +5V Internal battery +12.6V
Power Consumption	400MA idle
Package Weight	1KG
Dimensions	W163 X L120 X H42 (MM, Fully aluminium )
Accessories	USB cable X1 , Battery charge X1