Hetai Tech 3.5mm TRRS Y Splitter Cable 20cm
Splits a 3.5mm TRRS combo jack into separate headphone and microphone ports for older audio accessories, 20 cm
- Connection typeMicro USB to USB A
- Splits one combo port into separate headphone and microphone jacks
- 20 cm cable keeps laptop bags tidy
- Gold-plated 3.5 mm plug resists corrosion
- TRRS wiring lets iPhone switch to external mic automatically
- TPE jacket protects wires during frequent carry
Audio splitter for combined ports
This 3.5 mm TRRS Y splitter separates a single combo jack into distinct headphone and microphone sockets. It lets users connect legacy headsets or external microphones to laptops, tablets or phones that only provide one four-position port. The 20 cm cable is compact enough to keep in a laptop bag for travel or desk use. Gold-plated plugs and a TPE jacket aim to maintain signal integrity during regular handling.
Consistent passive operation
Because the adapter contains no active electronics its behaviour does not change under sustained use. There is no battery to drain, no firmware to update and no thermal throttling to consider during long recording or gaming sessions. The connection remains stable as long as the plugs stay seated, making it reliable for extended conference calls or streaming without unexpected drop-outs.
Silent zero-power thermals
The cable draws no power and generates no heat, so it adds nothing to system thermals or fan noise. Its lightweight TPE construction avoids strain on the host device’s port while remaining flexible in normal desktop or mobile environments. With no active components there is no audible hiss, coil whine or electromagnetic interference to affect sensitive microphone recordings.
How it compares
Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.
- Price $7.99
- Cheaper than about 92% of the 15,227 comparable items (median $14.99).
Specifications
| Ports & slots | |
|---|---|
| Connection type | Micro USB to USB A |
Questions about this item
Does the 20 cm cable add any audible noise or draw extra power when used all day?
The splitter is a passive analogue adapter with no active electronics, so it adds no electrical noise and draws no power from the host device.
What must I already own to use the 3.5 mm TRRS male plug and the two 3.5 mm female ports?
You need a device with a single 4‑position 3.5 mm combo jack and separate headphones and microphone that each use a standard 3.5 mm TRS or TRS plug.
Will the gold‑plated 3.5 mm connectors work reliably with older headsets that have worn or oxidised plugs?
Gold plating resists corrosion and maintains low‑resistance contact, so the adapter mates cleanly with legacy 3.5 mm plugs even after years of use.
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