Naim NAC-N172XS Preamplifier with Integrated Streamer

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The best of both worlds 

The NAC-N 172 XS defines a point at which worlds collide – the traditional world of separate pre and power amplifiers, and the new world of network streaming. It's a conventional preamplifier, perfectly at home in a Naim separates environment where, partnered by a Naim NAP 155 XS power amplifier perhaps, it can reproduce music from CD or vinyl in a way that stirs the soul and quickens the pulse. But the NAC-N 172 XS also opens the door onto the new sphere of high resolution audio, internet radio and streamed music. It's a sphere that has just the same soul stirring potential as conventional audio sources, but that's effectively limitless in scope and content.

Liberation in control 

The NAC-N 172 XS can be controlled via the front panel buttons and digitally controlled analogue volume knob, the standard remote control handset or the n-Stream app for iPad, iPhone or iPod Touch. Using the n-Stream app is a uniquely liberating experience, allowing not just easy control of music playback, but the possibility to explore a music collection and find new music from the expanded music information feature delivered by Rovi. Full system automation means a Naim CD player can also be controlled directly from the app.


  • High quality preamplifier including digitally controlled analogue volume control
  • UPnP™-enabled to stream audio files from any UPnP enabled server such as UnitiServe or a NAS at up to 32bit/192kHz resolution
  • vTuner 5* full service internet radio
  • Optional FM/DAB module variant available
  • Streams/plays WAV, FLAC, ALAC, AIFF, AAC, WMA, Ogg Vorbis and MP3 files
  • Full Naim Multiroom functionality including Party Mode
  • Gapless playback available on all lossless file formats
  • Front-panel USB port for replay of MP3 player/iPod and USB-stored audio  
  • Digital USB connection from iPod/iPhone for ultimate quality and iPod control
  • Multiple intuitive control interfaces: front panel, remote control handset and n-Stream control app
  • Full system automation, wired remote in and wired remote out
  • USB mini-b connector for software upgrades
  • Linear power supply with 230VA transformer with separate windings for digital and analogue sections
  • High quality Burr-Brown PCM1793 DAC
  • Ground selector switch for optimum performance with many sources and power amps
  • Five 24bit/192kHz-capable S/PDIF digital inputs (2 x coaxial RCA, 2 x TOSlink, 1 x front panel mini-TOSlink)
  • 3 analogue inputs (1 DIN, 1 RCA pair, 1 x 3.5mm front-panel socket)
  • 1 line output
  • DIN and RCA preamplifier analogue outputs
  • Front-panel 3.5mm headphone connector
  • OLED display for high contrast and easy visibility
  • Ethernet and Wi-Fi network connectivity

As the first Naim streaming preamplifier, the NAC-N 172 XS introduces numerous innovative techniques for signal processing and isolation to ensure that each audio signal or stream is output with maximum fidelity. It employs a Burr Brown digital to analogue converter chip that offers the same performance as the one fitted to the digital benchmark Naim NDX network player, and it benefits from all the filtering and signal management techniques that have brought Naim to the forefront of digital music in the home. 

NAC-N 172 XS component selection is entirely optimised for sound quality and the XS style case construction helps minimise microphony by providing a rigid, non-resonant foundation for the electronics. Like every Naim product, fastidious attention to power supply noise and regulation, PCB layout and earthing topology, is a fundamental element of NAC-N 172 XS performance. 

The result of all this extraordinary technology is extraordinary music reproduction that lives, breathes and satisfies. Integrate a NAC-N 172 XS in an existing audio system, or build a new pre/power amplifier system around it, and the world of high resolution audio, UPnP™ streaming, and the vast resource of internet radio can connect seamlessly with your existing world of CD and vinyl.

Input Impedance30kΩ
Input Sensitivity 200mV
Analogue Inputs1 x 5-pin DIN, 1 x RCA pair, 1 x 3.5mm front
Digital Inputs5 x S/PDIF (2 x coaxial RCA, 2 x optical TOSlink, 1 x 3.5mm front panel mini-TOSlink)
Sample rates maximum192kHz (coaxial), 96kHz (optical)
UPnPEthernet (RJ45) or Wi-Fi
USB/iPod1 front-panel socket
Analogue Outputs (variable level)1 x 4-pin DIN, 1 x RCA pair
Analogue Outputs (fixed level)1 x RCA pair
Output Level1Vrms
Frequency Response5Hz to 40kHz
THD + N0.015%
Signal-To-Noise Ratio (S/N Ratio)90dB
Output Impedance<47Ω (variable outputs), <600Ω (fixed output)
Load Impedance10kΩ (min.)
Headphone outputsStereo (front panel 3.5mm jack)
OtherHi-Line, Power-Line, any power amplifier
Remote Input3.5mm panel jack on rear (RC5)
USBUpdates only (rear panel USB mini-B)
Remote Output3.5mm panel jack on rear (RC5)
NetworkEthernet (Cat5), Wi-Fi
Remote ControlInfra Red (RC5)
Audio Formats SupportedWAV and AIFF (up to 32bit/192kHz) FLAC (up to 24bit/192kHz) ALAC (up to 24bit/96kHz) WMA (up to 16bit/48kHz) must be WMA 9.2 Ogg Vorbis (up to 16bit/48kHz) MP3, M4a (up to 320kbit/s), Playlists (M3U, PLS) iRadio Service Provider vTuner 5* full service Int
MultiroomMaster: Will stream native quality WAV, FLAC and AIFF (up to 24bit/48kHz), ALAC (up to 16bit/44.1kHz), AAC and MP4 (up to 16bit/48kHz) files only Client: Will play 320kbps MP3 quality only
Front PanelVolume control, logo mute and buttons
HandheldRemote handset included and optional n-Stream app for iPad, iPhone and iPod Touch available from the App store.
Mains Supply100V, 115V or 230V, 50/60Hz
Power Consumption35VA (max.)
CertificationsvTuner Premium
LicensesMP3, AAC, DAB
Tuning RangeFM 87.5 - 108MHz, DAB Band III and L Band
iRadio Service ProvidervTuner 5* full servic
FrontBrushed and black anodised
CaseBlack powder coated

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