睿志音响

	Wisdom in mind, enthusiasm at heart.

NFB-10.32（USB applied USB-32）
Discrete DAC+ Headphone amplifier / Preamplifier

32bit / 384K Asynchronous Transfer USB-32 Chip
Built in 2 Pieces Hi-end grade WM8741 Chips
Price: USD549 (Free remote control )
Extra metal remote : USD50
Accessories : Power cable and USB cable . If customers want optical cable please inform while place the order . The free remote control without warranty. )

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Frequency response diagram RCA / ACSS output : ( Click to zoom)
Display 7 ( OS=8, Filter = 1) :	Input sampling 44.1KHz,24Bit, -2.5DB at 20KHz	Input sampling 48KHz,24Bit, -0.2DB at 20KHz , -3DB at 23KHz
8X oversampling , Minimum phase apodising filter. Support up to 48KHz .

Display 8 ( OS=8, Filter = 2) :	Input sampling 44.1KHz,24Bit, -0.2DB at 20KHz , -3DB at 25KHz	Input sampling 48KHz,24Bit, -0.2DB at 20KHz , -3DB at 25KHz
8X oversampling , Linear phase apodising filter. Support up to 48KHz .

Display 9 ( OS=8, Filter = 3 ):	Input sampling 44.1KHz,24Bit, -2.5DB at 20KHz	Input sampling 48KHz,24Bit, -0.2DB at 20KHz , -3DB at 23KHz
8X oversampling , Linear phase half-band filter for backward compatibility. Support up to 48KHz .

Display 4 (OS=4, Filter = 1 ):	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
4X oversampling , Minimum phase 'soft-knee' filter. Support up to 96KHz .

Display 5 ( OS=4, Filter = 2) :	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
4X oversampling , Linear phase 'soft-knee' filter. Support up to 96KHz .

Display 6 (OS=4, Filter = 3) :	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
4X oversampling , Linear phase 'brickwall' filter. Support up to 96KHz .

Display 1 (OS=2, Filter = 1):	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
2X oversampling , Minimum phase 'soft-knee' filter. Support up to 192KHz .

Display 2 ( OS=2, Filter = 2) :	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
2X oversampling , Linear phase 'soft-knee' filter. Support up to 192KHz .

Display 3 (OS=2, Filter = 3 ):	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
2X oversampling , Linear phase 'brickwall' filter. Support up to 192KHz .

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) USB1.1 ,USB2.0 (Full Speed, Class2)
Frequency Response	20Hz - 20KHz （-0.2DB）
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, 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	17W
Package Weight	Approximately 5KG
Dimensions	W240 X L360 X H80 (MM, Fully aluminium )
Accessories	AC power cord X1 USB cable X1