July 14, 2024
1 Solar System Way, Planet Earth, USA
Headphones

ddHiFi Nyx Pro Headphones Review – Headfonics

Today, Lynn is reviewing the ddHiFi Nyx Pro, a 25.4 AWG 4-wire monocrystalline copper and silver modular replacement cable for IEM users. It is priced at $499.99.

Disclaimer: This sample was sent to me in exchange for my honest opinion. Headfonics is an independent website with no affiliate links. I appreciate High fidelity dd for your support.

You can read about the previous ones High fidelity dd products we have previously reviewed on Headfonics here.

Please note that this article follows our latest developments. Scoring Guidelines which you can read here.

Featured image from ddHiFi Nyx Pro review

ddHiFi Nyx Pro Review

Summary

ddHiFi has produced another excellent IEM cable with exemplary construction. The BC130 Pro or Nyx Pro can meet your needs with dual connector connectivity, a very good fit and feel, and with the right mix of additive effects to enjoy your music with a wide range of headphones.

Swipe here to add your score to the team!22 votes

8.7

Advantages

Excellent detail retrieval with paired IEMs

Attractive cable design

Innovative modular system

Cons

Connector connectivity could be a concern in the long term

A little bit of miking above the Y splitter

For nearly seven years, ddHiFi has produced audiophile-grade IEMs, cables and adapters with exceptional looks and performance, such as the Janus series and the TC44Pro.

I found the innovative aspect of including both 2-pin and MMCX connectors to be a great choice on the Janus. There are no longer any limitations if you want to change cables but use the same IEM.

The BC130 Pro or 'Nyx Pro' cable continues that innovation by not only making interchangeable connectors (4-pin mini-XLR) but also making connections available in both 0.78mm 2-pin and MMCX.

Adding to that feature, the 2-pin connector comes in 3.0mm and 3.5mm for long or recessed needs, and the company seemingly continues its role as one, not stopping.

Cross section of the cable geometry of the ddHiFi Nyx ProCross section of the cable geometry of the ddHiFi Nyx Pro
Copyright ddHiFi 2024

Characteristics

Nyx Pro is a 4-wire replacement audio cable for IEM users with a predominantly single-crystalline copper wire and an additional pure silver core with a slightly larger diameter.

The overall ratio is 1:3 silver/copper, with 7 silver strands and 56 copper strands in a Type 2 Litz configuration. The different diameters of each (0.08mm silver, 0.05mm copper) make this 1:3 ratio possible.

The wire gauge chosen is 25.4 AWG, which puts it about in the middle in terms of feel and flexibility.

The shielding of the Nyx Pro cable is the unique element that comes into play. It is not a traditional metal conductor, but instead uses a silver-coated conductive fiber material, which is placed between the inner and outer insulation using a fabric.

That core cable is wrapped in soft conductive fiber, helping to isolate potential electromagnetic interference while representing what ddHiFi calls “how darkness always comes to light.”

ddHiFi Nyx Pro paired with Spirit Torino IEMddHiFi Nyx Pro paired with Spirit Torino IEM

Design

The Nyx Pro is another attractive cable from ddHiFi. Its silver exterior color is neither shiny nor dull, giving it a subtly silvery, attractive look. I found it to sit well when plugged in and had generous ear hook padding.

The burnished gold and silver color combination looks elegant and somewhat understated. The somewhat tight braiding also contributes to the good looks, as the shadows make their way through the wire and give an “S” look to the hole inside the shade. I'm sure it wasn't intentional, but it's still stylish.

One change for the connectors is to use a square shape instead of a round one. The Nyx Pro connectors are quite large, but I find it easier to grip with this shape. I didn't have the problem of it being too big for the devices I used, but this could happen.

A white “L” or “R” on the inside of each Nyx Pro connection point also helps outline each side.

ddHiFi Nyx Pro connectors and socketsddHiFi Nyx Pro connectors and sockets

Connection options

Nyx Pro continues the innovation with the 4-pin Mini-XLR connector developed in conjunction with Eletech.

Supposedly meeting lossless audio standards, the plug's internal connection line carries a custom conductor designed to balance out sound quality deviations caused by soldering materials.

The right-angle connectors, which come in both single-ended 3.5mm and balanced 4.4mm connectors, work quite well and are one of the easiest (and best) operating methods I've seen. The connectors are available in both straight and L-shaped forms, meaning you can buy PE plugs and connectors separately.

If you use a push-pull connector, there is even an arrow with the word “NYX” on it to guide you in proper alignment. The connection is tight and only time will tell if that connection will loosen.

The Nyx Pro MMCX/2-pin connections strike me as a bit of a contradiction. While I love the versatility of having both (all three) available, switching between one or the other is an exercise in miniature.

The threaded silver ring comes off easily, but the connection itself is quite difficult to separate from the wire. By carefully running my fingernail along one edge I was able to separate the two, without shooting the connection across the room.

Great care must be taken when changing connections, making sure they are properly seated and in the best direction. There may or may not be a specific direction (I doubt it), but you will be able to see when the connection is seated correctly.

If you find it difficult to change connectors, ddHiFi has a small tool to help you with connections. I was told it is free and you just need to pay for shipping.

ddHiFi Nyx Pro on the side of its carrying caseddHiFi Nyx Pro on the side of its carrying case

Driving

Some ddHiFi cables in the past were too stiff, making them functional but not as pleasant to handle. Compared to the BC130B copper cable, which is an excellent cable but quite stiff, the Nyx Pro handles much better and has minimal microphonics.

That square connector not only looks nice, but it also works well when gripping it. Yes, it's big, but because of the square shape it apparently doesn't get in the way of any connections I used. I also find this shape easier to grip.

All the transgressions of previous models, whether real or potential customer complaints, seem to have been addressed, and the Nyx Pro is pretty good in terms of handling.

ddHiFi Nyx Pro Single ConnectorsddHiFi Nyx Pro Single Connectors

Packaging and accessories

ddHiFi started out using renewable bamboo boxes for their adapters. I still have several that I find useful for storing a variety of tips. The Nyx Pro has much more conventional packaging, but it's still comprehensive and high quality.

The inner cardboard box houses the fantastic case, which can be used to store many items beyond the cable and IEM.

To me, this is typical ddHiFi thinking: finding a solution to a problem we didn’t know existed. The typical ddHiFi square flap case sits inside the zippered case, much like a heavy duty bag, and both are located under a flap that can carry more gear.

On the underside of the lid are four mesh pockets that allow for carrying various adapters, tips, and in-ear headphones, plus a DAP if you want. This is a case that will be of great use in my world.

ddHiFi Nyx Pro connected to HiBy R4 DAPddHiFi Nyx Pro connected to HiBy R4 DAP

Performance impressions

All Nyx Pro performance impressions were completed using a mix of IEMs including the Campfire Solaris 2020, Supermoon with campfire audio custom, HiBy x f.audio Project ACE, and the Spirit Torino Double pulse beryllium I am.

The sources used were the Hi for R4 and a combination of the FiiO K9 Pro Earphones and a MacBook Pro.

Summary

This is ddHiFi's most ambitious cable offering yet and shows how far they will go when combining with Eletech to present a mid-range cable offering.

I found the Nyx Pro to provide excellent detail retrieval, while at the same time providing very good instrument separation. As a result, it became quite easy to hear the placement of instruments, with very good clarity.

Doorbell

The addition of silver strands to the Nyx Pro construction has led to an opening of the signature compared to Nyx Silver (BC130A) and Ocean Copper (BC125A).

The enhanced bass is heard without leaking into the lower mids, giving the notes a nice weight. The result is a richer sound proposition that also brings very good clarity to the notes.

The extension at the top adds to the excitement, but a bit of sibilance could be heard on certain songs. I suspect this was more of an issue with recording songs than with presenting the music through the cable.

The background was also not as black as I expected. This was more noticeable on the Supermoon than the other models, which can be attributed to both the IEM and the cable.

Staging and dynamics

I wouldn't say the Nyx Pro adds soundstage in any direction, but rather fills out spaces more while expanding headroom a bit (on the high end).

The improved dynamics in the bass give the illusion of a deeper basement, but instead I found it to be simply a better representation of what was emerging.

Adding a little more style (and corresponding clarity) to the top end gives the illusion of that increase in height.

While I'm not saying this is a widening of the soundstage, the Nyx Pro offers a more satisfying soundstage, without becoming cumbersome or overstuffed. I enjoy the Nyx Pro's performance across many genres and IEMs.

ddHiFi Nyx Pro paired with HiBy R4ddHiFi Nyx Pro paired with HiBy R4

Synergy

Some cables are more specific in their pairing with IEMs or headphones. That wouldn't be the case (for the most part) with the Nyx Pro.

I found it to pair equally well with the variety of IEMs chosen, from low-mid-range models to near-flagship models. I found that the better the IEM, the more likely the Nyx Pro was to present an improvement over the included “stock” cables.

I feel that the combination of Nyx Pro with HiBy x f.audio Project ACE was a bit excessive due to the increase in the top end in terms of power. It could be a cable that simply overpowers the IEM it is connected to.

In contrast, the Solaris 2020 sounded melodic with a nice touch of vibrancy added to the tonality. Bass has always been a strong point of Campfire Audio's IEMs, and when paired with the Nyx Pro, the Solaris The 2020 low is better controlled. This was my favorite combination.

The Spirit Torino Twin Pulse Beryllium came in second, behind the 2020 Solaris. I enjoy the Spirit Torino's signature smoothness, but there are times when it could use a little more pep and vigor.

The Nyx Pro maintains that smoothness in the signature while also improving the level of detail retrieval. The combination generated a richer, more energetic signature that made me appreciate both the cable and, especially, the IEM even more.

The CFA Supermoon is known for having a slightly warm high end, and the Nyx Pro tames that dullness a bit. There's still a bit of sibilance on certain songs, but the Nyx Pro has managed to get the signature under control well. Detail retrieval is still excellent, while it controls the low end very well.

Click on page 2 below to see my selected comparisons.

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