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Nylith, built for the Beyerdynamic Amiron Wireless: 5N UP-OCC copper, 60 strands per conductor, 24 AWG, hand-sleeved in soft black nylon, as Solo or Braided. It weighs 35 g at the standard 1.5 m.
Headphone plug: 3.5 mm (one cup), included in the price. Not your model? Ask us: we cable most headphones on request. The headphone cable finder lists the plug on 489 headphones.
If the cable doesn't fit the headphones you chose, tell us within 30 days of delivery and we'll make a new one free, shipping included.
Nylith
The name joins nylon to -lith, the Greek for stone: a woven skin that feels like fabric, over a core of fine-drawn copper. Nylith is made for full-size headphones and the desk they live on, and at 35 g it is the last thing you notice.
Mò Zhī · Ink-Black Weave
Construction
Each conductor is 5N (99.999%) UP-OCC copper. Ohno continuous casting draws the copper into long, continuous crystals, so the signal crosses fewer grain boundaries along the way.
Sixty strands of that copper make up each conductor, for 24 AWG.
Sleeve
Nylith is sleeved by hand in black nylon multifilament, close-woven and soft to the touch. It drapes like fabric rather than springing back like rubber, and the black stays looking clean on the desk.
The Solo build wears a 4 mm sleeve on the main run and 2.4 mm on each leg after the Y-split. The Braided build takes two 2.4 mm nylon-sleeved leads and braids them from end to end, for USD 10 more.
Detail
The Y-split carries a pierced nameplate: the NA mark and the Nylith name side by side, with Null Audio along its edge.
Length
Nylith comes at 1.5 m as standard, an easy reach from your headphones to an amp or DAC on the desk. Set any length from 50 cm to 3 m in the configurator.
Nylith is copper through and through: warm, with bass that has body and a wide, open stage. The treble is smooth rather than bright, so long sessions stay easy.
Ratings are Null Audio’s sound notes, out of 10.
Material
Most braided cables are sleeved in polyester. It is the cheaper fibre, and from a distance the two look alike. Nylith is sleeved in nylon multifilament, which costs more by the metre and repays it where you notice: in the hand, at the edge of the desk, and on the scale. Nylon is the tougher of the two against wear and the softer of the two to touch. It gives a little under a tug and springs back, so the weave stays close, and for the same sleeve it weighs less.
| Feature | Nylon (Nylith) | Polyester (most cables) |
|---|---|---|
| Wear | Among the most abrasion-resistant fibres; the weave holds where it rubs | Scuffs and frays sooner where it rubs |
| To the touch | Soft and smooth; drapes like fabric | Crisper and stiffer, closer to plastic |
| Under a tug | Gives a little and springs back; the weave stays close | Stiffer, and gives less |
| Weight | 1.14 g/cm³ | 1.38 g/cm³, about a fifth heavier for the same sleeve |
| Cost | More per metre | The cheaper fibre, and so the common one |
Drag to compare


Build
The same copper, the same black nylon, the same hand sleeving. Solo runs as a single 4 mm sleeve to the Y-split, and is the lighter and softer of the two. Braided twists two 2.4 mm leads together from end to end, for a round, plaited line all the way along. Choose either in the configurator above.
| Feature | Solo | Braided |
|---|---|---|
| Main run | One 4 mm nylon sleeve | Two 2.4 mm nylon-sleeved leads, braided |
| After the Y-split | 2.4 mm on each leg | The same |
| Look | Clean and even | Round and plaited, end to end |
| In the hand | The lighter and softer of the two | Heavier and firmer |
| Conductor | 5N UP-OCC copper, 60 strands, 24 AWG | The same |
| Sleeve | Black nylon multifilament, sleeved by hand | The same |
| Price | Included | +USD 10 |
Braided
In the box
Designed, handcrafted and shipped from Singapore.
Built-to-order. Lead time around 1 week.
Care
Coil it loosely in large loops and keep it in the included leather pouch when you’re on the move.
Unplug by holding the connector, not the cable, and avoid sharp bends right at the plugs.
Wipe it with a soft, dry cloth, and keep it away from solvents and alcohol-based cleaners.
Every cable has a 1-year warranty. If anything goes wrong, contact us and we’ll take care of it.
Specifications
Questions
Every Nylith is built to order by hand in Singapore. Lead time is around 1 week.
The plug is matched to the headphones listed on this page. If the cable doesn’t fit the headphones you chose, tell us within 30 days of delivery and we’ll make a new one free, shipping included.
A 1.5 m Nylith with your headphone connector and a 3.5 mm, 4.4 mm or 6.35 mm player plug. The Braided build adds USD 10, LEMO and Dan Clark connectors add USD 50, and a longer cable costs more; the configurator shows the price before you add to cart.
Both use the same copper and the same black nylon. Solo has a 4 mm sleeve on the main run and 2.4 mm on each leg after the Y-split; it is the lighter and softer of the two. Braided twists two 2.4 mm nylon-sleeved leads together from end to end, for a round, plaited look all the way along. Braided costs USD 10 more.
UP-OCC is copper made by Ohno continuous casting, which draws it into long, continuous crystals instead of many small grains. The signal crosses fewer grain boundaries along the way. Nylith uses 5N (99.999%) UP-OCC copper.
Each conductor is 60 strands of 5N UP-OCC copper, for 24 AWG.
Yes. Choose Cable length in the configurator above: set any length from 50 cm to 3 m in 2 cm steps. Up to the standard 1.5 m costs nothing extra; longer cables cost more, and the price is shown before you add to cart.
For a length over 3 m, contact us or WhatsApp +65-8731-5476.
No. Nylith is made for full-size headphones only, with no in-ear monitor connectors.
Any build you choose from the options on this page, at 1.2 m or longer, can be returned or exchanged within 14 days of confirmed delivery if unused and in its original packaging. Returns carry a 30% restocking fee and exchanges none; shipping is not refunded.
Cables with an inline microphone and cables shorter than 1.2 m cannot be returned or exchanged for a change of mind. Faults are a different matter: every cable has a 1-year warranty, so contact support@null-audio.com and we will assess it.
Next in the chain
Routes picked for this page, all from the same bench in Singapore.
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