We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-25 · 6 min read · Independent comparison
If you want to extend an existing 3.5mm audio connection with a long, durable cable that keeps your current wired headphones working exactly as they do now, choose SYNCWIRE Headphone Extension Cable; if you need to plug wired headphones into a phone or tablet that has no headphone jack at all, choose SXRBSSM USB C.
• SYNCWIRE Headphone Extension Cable — biggest strength: a 6-foot nylon-braided TRS extension with 24K gold-plated connectors and a 15,000+ bend rating, so you get extra reach plus serious durability.
• SYNCWIRE Headphone Extension Cable — biggest trade-off: it is stereo only. It does not pass a microphone signal, so inline mics and headset mics will not work through it.
• SXRBSSM USB C — biggest strength: it converts a USB-C port into a working 3.5mm headphone jack, and it comes as a 2-pack in a metallic gray finish.
• SXRBSSM USB C — biggest trade-off: it solves a different problem. It adds a jack where none exists; it does not extend an existing one, and it is not a long cable.
• Pick SYNCWIRE Headphone Extension Cable if you already have a 3.5mm jack and just need more distance or port protection.
• Pick SXRBSSM USB C if your device dropped the headphone jack and you still want to use wired headphones.
This is a straightforward problem-solver: a 3.5mm male-to-female extension cable, 6 feet long, in a round black nylon-braided jacket. One end goes into your device or your existing cable, the other end accepts your headphones, earphone, speaker, car stereo or home theater input. That's the whole job, and it does it without any software or setup.
The engineering details matter for daily use. The connectors are 24K gold-plated, which the spec sheet ties to reliability and reduced signal loss and noise, with enameled copper wires for conductivity. The nylon braid and internal filler are rated for a 15,000+ bend lifespan, and the polished aluminum casing adds strength. In practical terms, that's a cable you can leave plugged into a car aux port, coil into a bag, and bend at the plug thousands of times without the jacket splitting. The slim step-down connector is designed to fit most phone cases, which is a small thing that turns into a big annoyance if it's missing.
There's a second use case people overlook: port protection. Constantly plugging and unplugging headphones into a tablet, laptop or media player wears on that jack. Leave the extension in and you're sacrificing a cheap cable instead of a device's port.
Here's where you should skip it. This is a TRS cable with three pins — stereo only. It does not support a microphone. If your headset has a mic, audio will pass through but the mic won't work. It's also not a splitter, so it can't feed two pairs of headphones from one source. And it extends 3.5mm connections; it won't help a device that has no 3.5mm port to begin with.
The SXRBSSM adapter attacks the opposite problem. Modern phones, tablets and laptops increasingly ship with USB-C and nothing else. This adapter plugs into that USB-C port and gives you a 3.5mm auxiliary jack — two ports in total on the unit, packaged as a 2-count set in a metallic gray finish.
The compatibility list is the headline here, and it's broad. It covers iPhone 17/16/16 Pro/16 Pro Max and 15/15 Plus/15 Pro/15 Pro Max, Google Pixel 7/7 Pro/6/6 Pro/6a, the Samsung Galaxy S23/S23+/S23 Ultra plus S22, S21 and S20 series, A53 and A54, the W23/W22/W21 and Z Flip 5/4/3/2 and Z Fold 5/4/3/2, MacBook Pro and MacBook Air 2020/M1/M2, iPad Pro 2022/2021/2020/2018, iPad Air 2020/2022 and iPad mini 2021. The listed use is headphones, and the connector type is auxiliary. It carries a 180-day warranty.
The obvious buyer is someone who refuses to give up wired headphones. Maybe you like a specific pair and don't want to replace them. Maybe you want zero latency for gaming or video editing, or you're tired of charging earbuds. Maybe you fly a lot and want a cable that works with the in-flight system. A 2-pack matters more than it sounds: one lives in a bag, one stays plugged into a laptop dock or a car, and you stop hunting for it.
Skip it if your device still has a real headphone jack — you'd be adding a dongle you don't need. Skip it if you specifically want a long run of cable, since this is an adapter, not an extension.
Side-by-Side: Which Should You Choose?
• Your device still has a 3.5mm jack and you need more length → SYNCWIRE Headphone Extension Cable.
• You want a microphone to work through the connection → neither, honestly. The SYNCWIRE cable is TRS stereo-only, and the SXRBSSM sheet doesn't claim mic support either.
• Best for cable longevity and everyday abuse → SYNCWIRE Headphone Extension Cable, with its nylon braid, aluminum casing and 15,000+ bend rating.
• Best for protecting a worn aux port on a tablet, laptop or media player → SYNCWIRE Headphone Extension Cable, used as a sacrificial pigtail.
• Best for a modern iPhone, Pixel, Galaxy, iPad or MacBook with USB-C only → SXRBSSM USB C.
• Best for keeping a spare in two places at once → SXRBSSM USB C, which ships as a 2-pack.
• Best for a fixed 6-foot reach in a car, on a couch or across a desk → SYNCWIRE Headphone Extension Cable.
• Best for travel and commuting with a phone → SXRBSSM USB C, since a short adapter is easier to pocket than a 6-foot cable.
In my opinion these two don't really compete — they solve different failures, and the right answer depends entirely on whether your device has a 3.5mm jack. If it does and you just need distance, durability or port protection, I'd buy the SYNCWIRE Headphone Extension Cable. The braided jacket, gold-plated connectors and bend rating tell me it's built to survive years of plugging and unplugging, and 6 feet is a genuinely useful length.
If your phone, tablet or laptop has only USB-C and you want to keep using wired headphones, I'd buy the SXRBSSM USB C — the compatibility list is unusually wide and the 2-pack means you're never stuck without one. Check the current price on Amazon for whichever fits your setup; that's the deciding factor I can't speak to here.
No. It's a TRS cable with three pins, which means stereo audio only. Your headphones will play, but mic input won't pass through. If you use TRRS headphones, expect audio to work and the mic to stay silent.
Both are on the compatibility list, along with the iPhone 16 and 17 families, Pixel 6 and 7 series, Galaxy S20 through S23 series, A53/A54, Z Flip and Z Fold models, MacBook Air and Pro, and several iPad Pro, Air and mini models.
No. It's an extension cable, not a splitter, so it passes one stereo signal from a source to one output.
The SYNCWIRE cable uses gold-plated connectors and enameled copper wire specifically to limit signal loss and noise, and the SXRBSSM adapter is described as a Hi-Fi adapter. Both are wired connections, so neither introduces the kind of compression or lag you'd expect from Bluetooth.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.
See also: Cypher.V Replacement Aux Extension vs MINOCHI Replacement Audio Cable, KAFRI RGB Dual Headphone vs MAONO XLR/USB Dynamic Microphone, daily headset USB-A Adapter Cable vs epekops AI