3.5mm Connectors & Adapters | Vetco Electronics

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At Vetco Electronics, we offer a complete selection of 3.5 mm jack components and adapters for hobbyists, technicians, educators, and audio professionals. Whether you're repairing headphones, building a prototype, or upgrading a custom sound system, our 3.5mm audio jack products are built to deliver stable, high-quality connections for both mono and stereo signals. From panel-mount jacks to solderless plugs, you'll find everything you need for clean, reliable audio interfacing.

Our inventory includes a broad range of 3.5 mm connectors and accessories - including 3.5mm stereo jack models, 3.5mm plug adapters, and 3.5 mm jack extension and splitter solutions. Whether you’re outfitting a classroom lab or customizing gear for your workshop, we’ve got the right 3.5 jack to support your needs.

From 3.5mm Headphone Jacks to Bluetooth Adapters

We know the 3.5 mm headphone jack is still the gold standard for reliable audio, which is why we stock more than 30 variations, including locking stereo plugs, panel-mount jacks, and solderless screw terminal versions. You’ll also find convenient options like:

Bluetooth to 3.5mm adapters for wireless listening
3.5mm jack to Bluetooth adapters for mobile or legacy setups
3.5 mm to 2.5 mm adapters for compatibility with older or specialty devices
3.5mm stereo male-to-female and RCA conversion cables
3.5mm jack splitters for sharing a single audio output

Need a compact 3.5mm stereo plug or a right-angle 3.5 mm audio jack for tight spaces? How about a 3.5mm jack adapter that converts to 1/4", RCA, USB or even usb-c to headphone jack? We carry a wide range of plug types and adapters that support both permanent installations and on-the-fly audio solutions.

Perfect for Custom Builds, Repairs, and Upgrades

Whether you're replacing a broken 3.5 mm jack headphones connection or installing a high-quality 3.5 mm stereo jack on a new device, Vetco makes it easy to find what you need. Many of our plugs and jacks are available in locking or solderless formats - ideal for prototyping, low-volume production, or school projects.

We also offer Bluetooth 3.5mm adapters to bring wireless functionality to wired systems, and couplers for quick extensions or gender conversions. Looking for a usb to 3.5mm jack? Our team has carefully curated this collection to include both everyday staples and hard-to-find specialty items like 3.5 millimeter jack to RCA hybrids and 3.5 mm stereo jack panel mounts.

Shop Trusted 3.5mm Audio Jack Products at Vetco

As the last true electronics retail store in Washington State, Vetco is proud to offer expert-selected 3.5 mm jack solutions with support you can count on. Whether you're sourcing parts for a production line or fixing headphones at home, our inventory is backed by 25+ years of hands-on experience, same-day shipping, and customer service that actually listens.

Explore our full line of 3.5mm adapters, plugs, and connectors today - and make every connection count.