Defendwe 3.5mm TRRS Y Splitter Male to 2 Female 20cm
Splits a 3.5mm combo jack into separate headphone and microphone ports for older accessories, 20cm long
- Connection typeMicro USB to USB A
- Splits one combo port into separate headphone and microphone jacks using a 3.5mm TRRS male connector
- Connects legacy headsets with separate plugs to newer laptops or tablets that have a single 4-position jack
- Gold-plated 3.5mm connectors resist corrosion and maintain clear signal transmission
- Flexible TPE cable at 20 cm length keeps the setup tidy for mobile use
- Works with any device using a 4-position 3.5mm jack including iPhone, iPod and iPad
Purpose and Compatibility
This 3.5 mm TRRS Y splitter converts a single combo headset jack into separate headphone and microphone ports. It enables older audio accessories with distinct plugs to work with newer laptops, tablets and phones that use a four-position 3.5 mm socket. The compact 20 cm cable fits easily in a laptop bag for on-the-go use. It is not suited for users who need a longer reach or a USB-connected audio interface.
Thermals Noise and Power
The adapter is entirely passive with no active electronics, so it generates no heat and draws no power from the host device. Gold-plated plugs and a TPE jacket provide reliable signal transfer without adding audible noise or distortion. There are no fans, LEDs or circuits that could produce coil whine. Builders who require powered signal amplification or digital conversion will need a different solution.
Sustained Load Behaviour
Because the splitter contains no amplifiers or processors, its performance remains constant regardless of how long the headset is used. Signal quality does not degrade during extended gaming, calls or recording sessions. The short cable keeps resistance low and avoids the capacitance issues that can affect much longer analogue runs. Users who need inline volume controls, mute switches or DSP features must look elsewhere.
How it compares
Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.
- Price $15.99
- Pricier than about 55% of the 15,227 comparable items (median $14.99).
Specifications
| Ports & slots | |
|---|---|
| Connection type | Micro USB to USB A |
Questions about this item
How do I plug the 3.5mm male end into my laptop's combo jack so the headset and mic both work?
Insert the single 3.5mm male plug fully into the 4‑position combo port; the TRRS wiring splits the signal automatically to the two female sockets for headphone and microphone.
Will the gold‑plated plugs or TPE cable need any cleaning or replacement over time?
The gold plating resists oxidation and the TPE jacket is durable; no scheduled maintenance is required — just keep the connectors free of dust and debris.
At what point does the 20cm cable length become a limitation during extended recording sessions?
The short 20cm reach restricts how far the headset can sit from the device, so you may feel tension on the connectors before any signal degradation appears.
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