Naim NDX Streamer - Pre-Owned
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Excellent condition. Includes boxing, remote and wifi aerial (no mains cable)
The Naim NDX is a high-end network audio player designed for audiophiles who demand top-tier streaming performance and digital versatility. Encased in Naim’s premium “Classic” aluminium chassis, the NDX combines precision engineering, advanced signal isolation, and flexible connectivity to deliver superb sound quality with rhythm, clarity, and musicality.
Key features include:
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A meticulously designed power supply with separate windings for the digital, DSP, clock, and analogue sections — reducing interference and keeping the noise floor extremely low.
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Native support for high-resolution streaming over UPnP, internet radio, USB and iPod/iPhone input.
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Multiple S/PDIF digital inputs (coaxial & optical) for integrating external sources (e.g. CD players, transport, etc.) and an optional module for DAB/FM radio.
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A DAC built to Naim’s high standards, using buffer/jitter removal techniques and advanced filtering to ensure transparent, dynamic, and richly detailed playback.
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Designed to be upgradeable; performance can be further enhanced using external power supplies (such as the XPS or 555PS) or adding a higher-end DAC.
| Specification | Details |
|---|---|
| Supported Audio Formats |
WAV, FLAC, AIFF, ALAC, MP3, AAC, WMA, Ogg Vorbis, etc., up to 24-bit / 192 kHz on many inputs. |
| Digital Inputs | 3 × S/PDIF (2 × coaxial, 1 × optical) |
| USB / iPod Interface | Front USB port; iPod/iPhone digital input; USB memory replay. |
| Streaming Protocols | UPnP streaming, Internet radio; compatible with NAS, HDD, computers over network. |
| Optional Modules | FM / DAB tuner module. |
| Power Supply | Built-in toroidal transformer; separate isolated windings for digital, DSP, clock, and analogue stages. External power supply upgrades possible (e.g. XPS, 555PS). |
| Signal-to-Noise & Jitter Control | RAM buffer jitter removal; master clock re-clocking; Naim’s analogue filtering. |
| Frequency Response | ~10 Hz to 20 kHz with tight tolerances. |
| THD + Noise | <0.1 % in many conditions. |
| Output Impedance | Max ~10 Ω; minimum load ~10 kΩ. |
| Grounding / Chassis | Ground-selector switch to help with earth loops in complex systems. |
| Dimensions | Approx. 432 × 314 × 87 mm (W × D × H) |
| Weight | ~10 kg |
| Power Requirements | 100-120 V or 220-240 V nominal mains; 50-60 Hz. Input power ~60 VA |
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