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Updated: 2026-09-28 · 6 min read · Independent comparison
If you want to plug a single gaming headset with one combined audio-and-mic plug into a PC or laptop that only has separate headphone and microphone jacks, choose UGREEN Headphone Splitter; if you need to switch one audio source between two outputs (or two sources into one output) without constantly unplugging cables, choose cooidea 3.5mm.
• UGREEN Headphone Splitter — biggest strength: a TRS-to-TRRS adapter design with oxygen-free copper wiring, triple shielding and 24K gold-plated contacts, so it solves one very specific problem: a single TRRS headset meeting a legacy dual-jack computer.
• cooidea 3.5mm — biggest strength: a bidirectional 1-in-2-out / 2-in-1-out switcher with a one-press selection button, so you can hop between headphones and speakers, or between two audio sources, without re-cabling.
• cooidea 3.5mm — biggest trade-off: it explicitly does not support microphone function, so a headset mic will not work through it.
• Who UGREEN is for: gamers and call users on older desktops or laptops with separate mic and headphone jacks.
• Who cooidea is for: desk users with two playback devices or two sources who want push-button switching.
The UGREEN Headphone Splitter exists to fix one frustrating mismatch. You have a headset with a single 4-position TRRS plug — audio and mic on the same connector — and a computer that predates that standard, with two separate 3.5mm TRS jacks, one for output and one for microphone input. This adapter splits that single headset jack into a headphone plug and a mic plug so both functions land where the computer expects them.
What it does best is protect the signal on the way through. The description notes oxygen-free copper conductors, triple shielding and 24K gold plating, all aimed at reducing interference, signal loss and noise. The nylon-braided jacket and aluminum alloy casing are about durability rather than sound, but they matter for something that lives semi-permanently behind a desktop tower or gets shoved into a laptop bag. UGREEN lists compatibility with a long roster of wired headsets and controllers — Turtle Beach models, Sennheiser HD 598 Cs, Astro A10, Razer Kraken and Man O' War, HyperX Cloud 2, plus Switch, PS4, PS5 and Xbox controllers — which tells you this is aimed squarely at the gaming and voice-chat crowd.
Buy it if you're wiring a wired headset into an older PC, a laptop with split jacks, or a console controller setup that expects separate audio and mic connections. Skip it if your device already has a single combined jack (you don't need an adapter), or if what you actually want is the ability to flip between speakers and headphones — that's a switching problem, and this is not a switch. It's also worth noting the adapter is directional in purpose: it is a 3.5mm TRS male to 3.5mm TRRS female design, not a generic male-to-two-male splitter, so check which end your gear needs before buying.
The cooidea 3.5mm is a different animal entirely. It's a small metal switcher — 33mm x 28mm x 13mm and about 14g — with a common port and two channels, plus a button on top. In 1x2 mode you feed one source into the common port and send it out to two playback devices, toggling which one actually plays. In 2x1 mode you plug two sources into the two channels and one playback device into the common port, then press the button to choose which source you're hearing. No power supply, plug and play.
The practical appeal is the button. If you keep both desk speakers and headphones connected and you're tired of crawling behind the machine to swap a cable, this is exactly the device for that. It's also handy for comparing two sources — a phone and a laptop, say — through the same set of speakers. cooidea emphasizes a low-impedance design for high-fidelity reproduction and reduced cable noise, gold-plated contacts on the headphone jack, an aluminum alloy CNC casing, and it throws in a 1-meter audio cable so you're not hunting for one.
The catch is the microphone. The spec sheet is explicit: it works with three-pole jacks, and while a four-pole headset with mic will still play audio through it, the microphone function is not supported. So if your plan is headset voice chat, this is the wrong tool. Buy it if you want painless switching between speakers and headphones, or between two audio sources, on a desktop, in an office, or anywhere the device can just sit there. Skip it if you need mic passthrough, or if you only ever use one output — then a simple adapter or a direct cable does the same job with less clutter.
Side-by-Side: Which Should You Choose?
• Best for headset microphone use → UGREEN Headphone Splitter. It's built specifically to carry both audio and mic from a TRRS headset into separate jacks.
• Best for two audio sources into one output → cooidea 3.5mm. Its 2x1 mode is made for exactly this.
• Best for older PCs and laptops with dual jacks → UGREEN Headphone Splitter. The dual-TRS legacy setup is its whole reason for existing.
• Best for gaming and voice chat → UGREEN Headphone Splitter. Mic support is the deciding factor; cooidea can't do it.
• Best for a tidy, portable desk accessory → cooidea 3.5mm. At 14g in a metal shell with a bundled cable, it disappears on a desk and travels easily.
• Best for signal protection and build materials → UGREEN Headphone Splitter, in my opinion, given the shielding, gold plating and braided nylon construction described.
• Best if you only have one device and one output → neither is strictly necessary. Buy the simpler, cheaper cable that matches your jacks.
If I had to pick one, I'd buy the UGREEN Headphone Splitter — but only because my use case is a wired headset with a mic on a machine with split jacks, and that's the one problem cooidea simply cannot solve. The shielding and gold plating are a bonus on top of the core function. If your problem is switching rather than adapting, my recommendation flips entirely: the cooidea 3.5mm is the smarter buy for desk users juggling speakers and headphones or two sources, and the one-press button is genuinely the point of the product rather than a gimmick. Match the tool to the job and either one is the right answer.
No. The spec sheet states that three-pole jacks are supported, and while a four-pole headset will still play audio, microphone function is not supported. For mic passthrough, you want the UGREEN adapter instead.
Can the UGREEN Headphone Splitter switch between two speakers?
No. It's a fixed adapter that splits one TRRS headset jack into separate headphone and mic plugs. It has no selector button and doesn't toggle between outputs — that's what the cooidea switcher is for.
They solve different problems, so "value" depends on what you need. I'd check the current price on Amazon for each and compare against your actual use case: if you need mic support, cooidea is useless to you at any price, and vice versa.
Yes, in 2x1 mode. You connect both sources to the two channels and your headphones or speakers to the common port, then press the button to pick which source you hear. No power supply is required.
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