PENGLIN 2PCS 3.5mm TRS Stereo Panel Mount Adapter (male to female) with 25cm anti-tangle extension leads
Product description
The essentials
If you’ve ever wanted an easier way to bring a 3.5mm audio port to where you actually need it, this PENGLIN 2PCS 3.5mm TRS panel mount adapter kit is built for that job. The concept is straightforward: a male 3.5mm plug turns into a female socket, then you mount it on a panel and extend audio access with a short, anti-tangle lead. It’s the kind of add-on that makes sense when you’re setting up a car stereo accessory, a small desk/laptop setup, a home audio project, or you simply want a cleaner “front-panel” headphone connection instead of a port hanging off the back.
It’s not perfect for every scenario, though. The cable length is described as 25cm, so if you need more reach, you may find it a bit limiting. Also, panel mounting requires you to drill a hole of the right size, and if you’re not comfortable with that, a non-mount extension lead might be less hassle.
What it’s for (and why the panel mount approach helps)

These are TRS 3.5mm audio adapters with a threaded, reinforced male and female connection, plus a short extension cable designed to reduce tangling (the lead is described as anti-tangle and made with ABS). On paper, that should help keep connections tidier and reduce strain compared with a bare cable that’s constantly being pulled or re-positioned.
The practical win is access. With a flush-mount style approach, you drill a hole in your panel (the instruction mentions 18.5mm), insert the connector, then tighten the nut to lock it in place. Once installed, you’re no longer relying on reaching a port somewhere inconvenient—plugging in headphones or a phone becomes a quick, repeatable motion.
Key features you’ll notice day to day


A few details stand out for everyday audio use: - Stereo signal through a standard 3.5mm TRS setup: the description states it supports full stereo signal transmission. - Threaded, reinforced adapter design: the male and female threaded connections are meant to be sturdier for panel mounting. - Copper plated 3.5mm TRS connector and pure copper contact point: the manufacturer claims it helps with stable signal transmission and aims for low-noise performance. - Soft, anti-ageing cable with good tensile properties: this is aimed at better handling over time, especially where cables flex or move.

Now, a quick reality check: “lossless sound transmission” and “no noise” are strong claims, and you should treat them as marketing-led wording unless you’ve confirmed results for your own gear. That said, the materials-focused approach (copper plating/contact) is at least consistent with what you’d expect from a decent basic audio adapter.
Tech specs
- Name: PENGLIN 2PCS 3.5mm Stereo Audio TRS Panel Mount Adapter (male plug to female socket extension cable)
- Type: 3.5mm stereo TRS panel-mount extension adapter
- Format: Male 3.5mm plug to female socket
- Length: 25cm (anti-tangle ABS short cable)
- Panel hole size: 18.5mm (drill a hole in the panel, then insert and tighten the nut)
- Quantity: 2PCS
- Connection: flush mount / panel mount style with threaded reinforced adapter
- Conductor/contact (stated): pure copper conductor, copper plated TRS connector
Where it shines (and where it can fall short)

This kit is a good fit if you’re doing a small project and want a neat front-panel headphone/aux-style connection. It suits situations like: - Adding an accessible 3.5mm audio port to a vehicle stereo setup (where the physical mounting matters) - Building a simple desktop or media device panel so plugging in headphones is convenient - Extending an audio port by a short, controlled distance rather than using a long lead that tends to flop around
You may want to skip it if you don’t plan to mount anything. If your goal is simply “one more cable” with no drilling involved, a standard extension lead is usually easier. And if you need more than 25cm, this described length may not be enough.


Also, keep in mind that panel mounting depends on the hole size and your panel thickness/fit (the instruction tells you to use an 18.5mm hole), so double-check compatibility with your intended panel before committing.
Installation overview (simple on paper, but do it carefully)

The described method is “drill a hole → insert → tighten the nut”. Practically, you’ll want to: - Measure where the port will sit so the 18.5mm cut lands in the right spot - Ensure you’ve got space behind the panel for the connector body and cable routing - Tighten the nut firmly so the connection stays secure when you plug/unplug
A common micro-scenario: if you’re building a small headphone access panel for a laptop workspace, you can mount the connector on the front of the casing, then keep a phone or headphones nearby. Plugging in becomes one motion, and the connection stays stable because it’s anchored to the panel rather than relying on a dangling socket.
Is it worth it?
This PENGLIN 2PCS 3.5mm TRS panel mount adapter set is worth considering if you want a tidy, mounted way to extend stereo audio access for everyday devices like smartphones, laptops, headphones, and similar 3.5mm audio gear. The combination of a flush/panel-mount approach, reinforced threaded adapter, and a short 25cm anti-tangle lead is aimed at making installations feel cleaner and more reliable.

It may not be the best choice if you’re only after extra length with no mounting, or if you need a longer cable than 25cm. If you’re not comfortable drilling an 18.5mm hole, a simpler extension cable will likely save time and avoid headaches.


Finally, if you’re comparing options, this kit sits in the “small installation fix” category: it’s for projects and access improvements, not for elaborate wiring systems.
Mini FAQ
Will it work for stereo headphone connections?

The description states it supports full stereo signal transmission for a standard 3.5mm TRS audio setup, which is the same basic connector type used for many headphones and audio sources.
What size hole do I need to mount it?
The instructions mention drilling an 18.5mm hole in your panel, then inserting the connector and tightening the nut.
Is the cable length suitable for most front-panel setups?
It’s described as 25cm. For many small installations it can be fine, but if your routing needs more distance, it might feel short.
Does it come as one adapter or two?
It’s sold as 2PCS, so you get two of the panel-mount adapter/cable assemblies.
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