Tweek Geek
AIM NA4 Ethernet Cable
$576.00
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NA4
Triple-layer shielding. No drama, just music.The right first step
You already know your streaming setup can sound better. The NA4 is the most accessible way to prove it.
The NA4 is AIM's advanced Ethernet cable — purpose-built for listeners who want meaningful, real-world improvement from their streaming chain without jumping straight to flagship pricing. It brings a triple-layer shielding structure (double aluminum plus high-density copper braid), newly developed high-purity OFC conductors, and noise-resistant die-cast connectors to a cable that's flexible, practical, and built to last.
It's also the longest-reach cable in the AIM lineup, available up to 10 meters — making it especially useful for anyone running Ethernet across a room or between floors.
Triple-Layer Shielding
Double-layered aluminum shielding plus high-density copper braid — targeting both external noise and noise generated by the cable's own conductors.
High-Purity OFC Conductors
Newly developed oxygen-free copper conductors in a cross-frame internal structure for clean, stable signal transfer.
Die-Cast Connectors
High-resistance die-cast modular RJ45 connectors for a reliable, secure connection — no wiggle, no doubt.
Flexible & Easy to Handle
A slim 7.1mm diameter with a symmetric drain wire — no directionality to worry about, and easy to route in any setup.
Inside the shielding
The NA4 uses three distinct shielding layers to attack noise from multiple directions. The double aluminum layers handle high-frequency RF, while the high-density copper braid locks down the low end — together creating a cable that's genuinely resistant to the kind of interference that compresses your soundstage and muddies fine detail.
Aluminum Shield (×2)
Double-layered for superior high-frequency RF rejection. Flexible enough to wrap cleanly without cracking or stressing the conductor.
High-Density Copper Braid
Outstanding low-frequency shielding, working alongside the aluminum layers for compounded protection across the full spectrum.
Cross-Frame Structure
An internal cross-frame design keeps conductors stable and consistently spaced — reducing noise generated by the cable itself.
What you'll actually hear
Quieter backgrounds. Low-level detail you didn't know was there. Music that comes alive.
Audio critic Haruo Ushio tested the NA4 between a NuPrime hub and an Esoteric network player streaming Qobuz — and the improvement was immediate. Background noise dropped, fine detail emerged, and the subtle breathing and dynamics of the performance came through more clearly.
"The NA4 is unforced and lacks exaggeration, giving the impression that its performance potential gradually unfolds."
Haruo Ushio · Audio Critic
That's a meaningful observation. Where some cables make a big first impression that fades on closer listening, the NA4 rewards extended listening — revealing more of what's in the recording the longer you sit with it.
How it compares
The NA4 is the third step up in AIM's Ethernet lineup. Here's how it sits relative to the cables on either side of it.
NA2
Single-layer shield
AWG 26 OFC
Symmetric drain
Up to 3m
NA4 — this model
Triple-layer shield
AWG 24 OFC
Symmetric drain
Up to 10m
NA6
3-layer + inner sheath
AWG 24 OFC
Asymmetric drain
Up to 5m
reviews
- Hifi Statement (Germany)
Technical Specifications
Connector
RJ45 (8P8C)
Connector Housing
Die-cast, high EMI resistance
Standard
ANSI/TIA/EIA-568B · IEC 60603-7-5
Cable Diameter
7.1mm
Conductor
AWG24 Single Line
Conductor Material
High-purity OFC
Configuration
Twisted pair × 4 (8 conductors)
Shield Layers
Double aluminum + copper braid
Internal Structure
Cross frame
Drain Wire
Symmetric (non-directional)
Cable Color
Green
As reviewed by
Lite Magazin (Germany) · September 2025 Haruo Ushio · Audio Critic
Tweek Geek · Nationwide In-Home Auditions
Hear it in your system.
Before you decide.
Before you decide.
The NA4 is the kind of cable that reveals itself gradually — which is exactly why hearing it in your own system, on your own music, matters. We offer in-home auditions nationwide so you can experience the difference firsthand. And if you're ready to buy, we can take care of that in the same conversation.
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Tweek Geek is an authorized AIM dealer. In-home auditions are available to listeners across the US — reach out to discuss availability and logistics for your area.
