product specification

Pure musicality with our most advanced streaming platform

Our reference network player is quite simply the best source component we’ve ever developed. Drawing on decades of digital and analogue engineering experience, the ND 555 marries our innovative new streaming platform with classic Naim analogue technology. It features a 40-bit SHARC processor with advanced signal processing, a suspended brass sub-chassis to isolate sound-critical circuits from vibrations and the best external power supply we’ve ever made. Whether you’re listening to Bonham’s solid groove or Coltrane’s dizzying scales, the ND 555 lets the music flow with astonishing ease and uniquely engaging musicality. Partnered with Statement or 500 series amplification, we believe the ND 555 is as close to live music as it gets.

A rich audio heritage 

The ND 555 is the result of over four decades of audio engineering. From our state-of-the-art streaming module to powerful, natural-sounding audio stages – every element of this network player is built on our design DNA, giving it that distinctive, captivating Naim sound. The ND 555 development process also helped us step foot into new technologies: for the first time, we’ve added low-voltage differential signalling (LVDS) to a premium Naim player. We chose LVDS because it minimises timing errors due to its fast speed and it minimises radiation thanks to its low noise.

Expert craftsmanship 

The ND 555 is bristling with innovative technology from input to output. The streaming section uses the latest Naim network card featuring low-noise, high-speed LVDS to route the digital audio signal. The higher speed is capable of decoding most HD audio formats at up to 32 bits/384 kHz or DSD128. Rather than the source acting as the digital timing master, our new streaming board turns things around and allows our DAC clock to control the flow of audio data. The data is integer-over-sampled in a SHARC DSP to an incredible 40-bit accuracy and fed into the Burr-Brown® PCM1704, a true R2R ladder DAC valued for its exceptional sound quality.

Naim’s renowned DR regulator technology, as used in our range of amplifiers and power supplies, makes its first appearance in a network player, providing ultra-pure DC voltage to the sensitive audio circuitry in the ND 555. The analogue stages use only high-grade through-hole components and are suspended on sprung sub-chassis with heavy brass plates to minimise the effects of microphony.

Absolute control 

There are several ways to control ND 555. The Naim App for iOS and Android gives you complete control over individual or multiple Naim products. You can access all of your music including radio pre-sets, streaming services and playlists, sync several Naim players for multiroom playback or explore artist discographies and biographies. The app also controls our Uniti Core music server (so there’s no need for two separate apps) and allows you to update your system wirelessly with a single tap.

For those who prefer a more tactile experience, a premium metal Zigbee® remote control is supplied. It requires no line of sight to the player, so you can take control whatever direction you’re facing. The front panel features a 5” colour display presenting album artwork as well as track information in crisp detail, and there are keys for most commonly used functions including standby and input selection.

Dimensions and Weight

87mm x 432mm x 314mm (H x W x D)

Connectivity

Audio Inputs
2 x optical TOSLink (up to 24bit/96kHz)
1 x coaxial RCA (up to 24bit/192kHz, DoP 64Fs)
1 x coaxial BNC (up to 24bit/192kHz, DoP 64Fs) 

Audio Outputs
1 x RCA pair
1 x 5-pin DIN

Specifications

Streaming 

Chromecast built-in, Apple AirPlay, TIDAL,
Spotify® Connect, Bluetooth (AptX HD), Internet Radio, UPnP™ (hi-res streaming), Roon Ready

USB 

2 x USB Type A socket (front and rear - 1.6A charge)

Digital (S/PDIF) 

2 x optical TOSLink (up to 24bit/96kHz)

1 x coaxial RCA (up to 24bit/192kHz, DoP 64Fs)

1 x coaxial BNC (up to 24bit/192kHz, DoP 64Fs)

Analogue 

1 x RCA pair
1 x 5-pin DIN

Certification 

Apple AirPlay, Chromecast built-in, Bluetooth, AptX HD, Zigbee® RF4CE, Rovi, NTFS, HFS and Wi-Fi

Multiroom 

Party Mode Streaming: Sync up to six Naim products and control via the Naim app

Updates 

Update your system wirelessly via the Naim app

Network 

Ethernet (10/100Mbps), WiFi (802.11 b/g/n/ac with external antennae)

Internet Radio Provider 

vTuner premium 5*

Audio Formats 

WAV - up to 32bits/384kHz
FLAC and AIFF - up to 24bit/384kHz
ALAC (Apple Lossless) - up to 24bit/384kHz
MP3 - up to 48kHz, 320kbit (16 bit)
AAC - up to 48kHz, 320kbit (16 bit)
OGG and WMA - up to 48kHz (16 bit)
DSD - 64 and 128Fs
M4A - up to 48kHz, 320kbit (16 bit)
Note: Gapless playback supported on all formats.

Dimensions 

87mm x 432mm x 314mm (H x W x D)

Finishes 

Brushed and anodised aluminium

Weight 

12.25kg

Mains Supply 

100V, 115V or 230V; 50 or 60Hz (depending on 555 PS used).

Power Consumption 

Typical use: 25W (when using a single 555 PS)
Network standby mode: <2W
Deep sleep: <0.5W

Storage 

2 x USB Type A socket (front and rear - 1.6A charge)

Supplied with 

Pair of Burndy interconnect cables (Analogue and digital), Metal Zigbee® remote (inc batteries), Hi-Line interconnect cable, BNC to RCA adapter, Wi-Fi (x2) and Bluetooth antennae, cleaning cloth, quick start guide

Power Supply 

Second 555 PS DR

Other 

Super Lumina

Front Panel 

5" colour LCD display and four buttons

Handheld 

Zigbee® RF4CE (Metal)