![Syncwire Headphone Extension Cable - 6FT [Hi-Fi Sound][Gold Plated Jack][TRS] Nylon-Braided 3.5mm Male to Female Audio Extension Cord Compatible with iPhone iPad Smartphone Tablets Media Players](https://m.media-amazon.com/images/I/412yroZHTXL._AC_SL1500_.jpg)
SYNCWIRE
Syncwire Headphone Extension Cable
Bottom line: The Syncwire Headphone Extension Cable ($7.99 on Amazon as of 2026-10-06): 24K gold-plated TRS plugs resist oxidation and signal loss; main trade-off: TRS wiring carries no microphone signal — no headset calls.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 24K gold-plated TRS plugs resist oxidation and signal loss
- ✓ Nylon braid rated for 15,000+ bend cycles
- ✓ Slim step-down housing clears most phone cases
- ✓ 6ft length reaches car stereo, receiver, or desk speaker
Cons
- ✗ TRS wiring carries no microphone signal — no headset calls
- ✗ Won't fit LifeProof and similar thick rugged cases
- ✗ Only one length offered in this listing (6ft)
- ✗ Analog 3.5mm only — useless on port-free phones without a dongle
Manufacturer description
The Syncwire 3.5mm headphone extension cable adds 6 feet of reach between your phone, tablet, or media player and whatever you're listening on — wired headphones, a desk speaker, a car stereo, or a home theater receiver. The build targets the two things that kill cheap aux cords: the connectors and the flex point. Syncwire uses 24K gold-plated TRS plugs to resist oxidation and corrosion, with enameled copper conductors inside to keep signal loss and interference down. The nylon-braided jacket is rated for a 15,000+ bend lifespan and resists tangling in a bag or under a desk. The slim…
SpecPicks Verdict
SpecPicks scored Syncwire Headphone Extension Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the home & kitchen category. SYNCWIRE's home & kitchen lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for home & kitchen of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Will this work with a headset that has a microphone?
No. Syncwire lists this as a TRS cable, which carries stereo audio only and does not support microphone signal. You would need a 4-pole TRRS extension for headset mic pass-through.
How long is the cable?
6 feet. That is enough to reach from a phone in a center console to a rear-seat listener, or from a desktop to headphones on a stand.
Does the plug fit through a phone case?
The connector uses a slim step-down design that Syncwire says fits almost all smartphone cases. LifeProof-style rugged cases are the stated exception.
Is it durable enough for daily use in a bag?
Syncwire rates the nylon-braided jacket at a 15,000+ bend lifespan, and the gold plating on the connectors is there to resist oxidation and corrosion over time.
Key Features
- EXTEND THE AUDIO CONNECTION: Syncwire 3. 5mm audio extension cable extends the audio connection between your iPhone, iPad, iPod, media players, smartphones, tablet and any other 3. 5mm aux port equipped devices to your headphone, earphone, speaker, car stereo or home theater system etc. Slim connector fits in almost all smartphone cases (except life proof case). Step-down design ensures firm connection and smooth plugging and unplugging experience.
- TRANSMIT HIFI SOUND QUALITY: 24K gold-plated connectors ensure reliability and eliminate signal loss and noise possible. Enameled copper wires provide the best conductivity and perfectly transmit sounds from your music player to headphone or speaker. No static or interference like wireless connection. [NOTE: This 3.5mm male to female audio cable is TRS cable, Does Not support Microphone.]
- SUPER-DURABLE & TANGLE FREE: Features soft nylon braided jacket, Syncwire audio extension cord has a 15000+ ultra-durable bend lifespan. Gold-plated connector avoids oxidation and corrosion. This headphone extension cable can last for years of use.
- PROTECT YOUR AUX DEVICES: This 3.5mm male to female extension cable is a great solution to protect your 3. 5mm aux port devices from repeat plugging and unplugging. It's costly to buy a new device, while it's so easy to get a 3. 5mm auxiliary aux cable.
- WHAT YOU GET: Syncwire headphone extension cable 6ft. Friendly and fast customer service within 24 hours.
Full Specifications
| Brand | SYNCWIRE |
|---|---|
| Color | Black |
| Model | SW-SC620 |
| Wattage | 120 watts |
| Cable Type | AUX |
| Item Shape | Round |
| Unit Count | 1.0 Count |
| Item Length | 6 Feet |
| Part Number | SW-SC620 |
| Connectivity | Wireless |
| WHAT YOU GET | Syncwire headphone extension cable 6ft. Friendly and fast customer service within 24 hours. |
| Compatibility | iOS |
| Connector Type | Auxiliary |
| Number of Pins | 3 |
| Connection Type | Wireless |
| Number of Items | 1 |
| Special Feature | Tangle Free |
| Connector Gender | Male-to-Female |
| Compatible Devices | Personal Computer, Samsung, Tablet, iPad, iPhone |
| Included Components | headphone extension cable 6ft |
| Full listing title | Syncwire Headphone Extension Cable - 6FT [Hi-Fi Sound][Gold Plated Jack][TRS] Nylon-Braided 3.5mm Male to Female Audio Extension Cord Compatible with iPhone iPad Smartphone Tablets Media Players |
Ready to buy?
Syncwire Headphone Extension Cable - 6FT [Hi-Fi Sound][Gold Plated Jack][TRS] Nylon-Braided 3.5mm Male to Female Audio Extension Cord Compatible with iPhone iPad Smartphone Tablets Media Players is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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