Naim – NDX

Naim NDX

NDX – Streaming technology for music.

The world’s first audiophile network music player, the NDX remains an exceptional streaming solution, surpassed only by the NDS. Its performance-oriented design retains the single-component convenience of the ND5 XS, but includes a significantly improved power supply with a custom-designed toroidal transformer plus four separate windings for its digital, DSP, clock and analogue output stages.

The performance of the NDX is matched only by its digital versatility. High-resolution UPnP network streaming, Spotify Connect, USB/iPod playback, thousands of internet radio stations, DAB/FM radio, digital inputs for external sources, multiroom streaming and a bespoke iOS and Android control app will get you listening to more music than ever before.


UPnP-enabled to allow streaming of audio files at up to 24bit/192kHz resolution from Naim hard disk servers, network-attached storage (NAS) devices or any home computer

Supports a broad range of music formats: WAV, FLAC, Apple Lossless, AIFF, AAC, Windows Media-formatted files, Ogg Vorbis and MP3. Gapless playback on all lossless file formats and on most compressed music

Three 24bit/192kHz capable digital inputs (S/PDIF) to support optimum connection to external sources

Spotify Connect built-in to stream millions of songs from the world’s most popular streaming service

Front-panel USB port for replay of MP3 player/iPod and USB-stored audio

vTuner 5* full-service internet radio

Optional DAB+/DAB/FM radio module

Multiroom & Party Mode compatible

iOS and Android Naim app for intuitive control

Technology & Craft

Beneath NDX versatility lies one of the most technically ambitious and accomplished of all Naim products. The wide variety of digital audio data streams and signal types, and the necessity that each one is delivered to the NDX outputs with maximum fidelity, demanded first that many new and innovative techniques for electronic signal isolation had to be developed and refined. The full spectrum of Naim’s uniquely advanced digital signal handling and processing techniques is also deployed in the NDX. The NDX uses the same RAM buffer and master-clock jitter removal technique of the Naim DAC outboard digital to analogue converter and all the oversampling, filtering and signal management techniques that have brought Naim to the forefront of digital music in the home. NDX is a true audiophile product where maximising sound quality drives every development decision.

The NDX can be used in conjunction with the XPS or 555 PS power supplies to significantly enhance its performance. However, only Classic Series XPS units are compatible with the NDX, not the older Olive Series versions.*

* Please note: only current “Classic” style XPS power supplies can be used with the NDX. Older “Olive” style XPS units are incompatible and cannot be used.

Audio Inputs

USB: 1 x front panel Type A socket (also used for iPod)

Antenna: Wi-Fi (802.11 g or n at 2.4GHz), F type (plus PAL adapter) on tuner version

UPnP: Wired Ethernet (RJ45) or Wi-Fi

Digital (S/PDIF): 3 x S/PDIF (1 x coaxial BNC – up to 24bits/192kHz; 1 x coaxial RCA – up to 24bits/192kHz; 1 x optical TOSLINK – up to 24bits/96kHz)

Audio Outputs

Analogue: 1 x DIN and 1 x RCA, 2.1V RMS at 1 kHz

Output Impedance: 10Ω (max.)

Frequency Response: 10Hz – 20kHz, +0.1/−0.5dB

THD + N: <0.1%, 10Hz -18kHz at full level

Digital (S/PDIF): 1 x BNC (75Ω)

Load Impedance: 10kΩ (min.)


Remote Output: 2 x rear panel 3.5mm jack (RC5 modulated or unmodulated)

Updates: 1 x USB Type Mini-B

Remote Control: Infra Red (RC5)

Remote Input: 1 x rear panel 3.5mm jack (RC5 modulated and unmodulated)


Audio Formats: WAV (up to 24bit/192kHz), AIFF (up to 24bit/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), M4a (CBR and VBR up to 320kbit/s), MP3 (CBR and VBR up to 320kbit/s), Playlists (M3U, PLS)

Internet Radio Provider: vTuner 5* full service

Multiroom: Master: Will stream WAV, FLAC and AIFF (up to 24bit/48kHz), ALAC (up to 16bit/44.1kHz), AAC and MP3 (up to 16bit/48kHz) files only as MP3 320kbps quality.

DAB Tuning Range: (optional module) Band III and L Band

FM Tuning Range: (optional module) 87.5 – 108MHz

User Control

Front Panel: Nine button matrix

Handheld: Remote handset included and optional Naim app for iOS and Android.


Power Supply: XP5 XS, XPS, 555 PS

Other: DAC digital to analogue converter, Hi-Line, Power-Line


Supply Voltage: 100V, 115V, 230V; 50 or 60Hz

Power Consumption: 60VA (max.)


Dimensions (HxWxD): 87 x 432 x 314 mm

Weight: 10 kg

Supplied with: Uniti Remote Control, Standard Interconnect

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