Essential 3.5mm couplers for musicians, DJs, and audio professionals who need to extend headphone connections, link audio devices, or create longer cable runs. Each silver-finished coupler connects two 1/8" (3.5mm) male cables end-to-end.

These female-to-female adapters solve the common problem of cables that are just too short to reach between your audio interface and headphones, smartphone and PA mixer, or laptop and recording equipment. The solid metal construction ensures reliable signal transfer without degradation.

The precision-machined connectors provide secure connections that won't work loose during performances or recording sessions. Each coupler accepts standard 3.5mm TRS or TS plugs, making them compatible with stereo headphones, mono instrument cables, and auxiliary connections. The compact design adds minimal bulk to your signal chain.

Use these couplers to extend headphone cables in home studios, connect smartphones to mixer aux inputs for backing tracks, or create custom-length connections between DJ controllers and headphones. They're equally useful for extending instrument cables from keyboards to pedal boards or connecting consumer audio devices to pro audio gear.

Each coupler provides a direct signal path with no active circuitry required. Simply connect your existing 3.5mm cables to both ends for an instant extension. The four-pack ensures you have backup couplers for multiple setups or different applications.

Seismic Audio backs each coupler with a one-year warranty and ships directly from our facility for fast delivery to your studio or venue.

Technical Specifications

Frequently Asked Questions

What cables work with these 3.5mm couplers?

These couplers accept any standard 1/8" (3.5mm) male connector, including TRS stereo cables for headphones and audio devices, TS mono cables for instruments, and auxiliary cables for smartphones and tablets. Both ends must have male 3.5mm plugs to connect through the female coupler.

Can I use these to connect my smartphone to a PA mixer?

Yes, these couplers work perfectly for extending aux cables from phones to mixers. Connect a 3.5mm-to-dual-1/4" cable from your phone to the coupler, then use another cable from the coupler to reach your mixer's input jacks. This setup is common for DJ backing tracks and live performance playback.

Do these couplers affect audio quality or add noise?

No, these are passive connectors with no active electronics that simply extend your existing cable connection. The solid metal construction maintains signal integrity without adding noise, distortion, or signal loss. They provide the same audio quality as a single longer cable.

How do these compare to buying longer cables instead?

Couplers offer more flexibility than fixed-length cables since you can combine different cable lengths as needed. They're also more cost-effective when you already own shorter cables. However, for permanent installations, a single longer cable eliminates one connection point.

What's the most common use for a 4-pack of these couplers?

Most customers use them for multiple studio setups - extending headphone cables at different workstations, connecting various devices to audio interfaces, and creating custom cable lengths for different recording scenarios. DJs often keep several for backup connections and different booth configurations.

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer. For more information, go to: www.P65Warnings.ca.gov