The SAPT18 adapter pair converts 1/4" TRS outputs to XLR inputs, solving connectivity issues between mixers, audio interfaces, and professional microphones or balanced line inputs. These adapters are essential for musicians and sound engineers who need to connect consumer-grade equipment to professional audio gear.

Each adapter features a stereo 1/4" TRS male connector on one end and a 3-pin XLR female connector on the other. This configuration allows you to send balanced audio signals from mixing consoles, audio interfaces, or powered monitors into XLR-equipped devices like active speakers, recording preamps, or professional microphones in reverse signal flow applications.

The adapters use quality metal connectors with secure contact points and strain relief to prevent signal degradation during live performances or studio sessions. Gold-plated contacts resist corrosion and ensure reliable signal transfer over time. The compact design fits in tight spaces behind equipment racks or stage setups.

Perfect for live sound reinforcement, home recording studios, and mobile DJ setups where you need to interface different connector types. Use them to connect mixer outputs to powered speakers, send monitor feeds to stage wedges, or integrate prosumer gear into professional audio chains. They handle line-level signals effectively for venues up to 500 people when used with appropriate amplification.

Each 2-pack includes two identical adapters ready for immediate use. No additional cables required - just plug into your existing 1/4" and XLR connections. Seismic Audio backs these adapters with a one-year warranty and fast shipping to keep your audio setup running smoothly.

Technical Specifications

Frequently Asked Questions

What equipment can I connect with these 1/4" to XLR adapters?

These adapters let you connect mixing console outputs, audio interface line outs, or keyboard outputs (1/4" TRS) to XLR inputs on powered speakers, microphone preamps, or recording equipment. They're commonly used to send mixer monitor feeds to stage wedges or connect consumer audio gear to professional XLR-equipped devices.

Do these adapters work for both balanced and unbalanced signals?

Yes, the SAPT18 adapters handle both balanced and unbalanced signals from the 1/4" TRS side. When connecting to XLR equipment that expects balanced signals, the adapter maintains the balanced connection if your source provides it. For unbalanced sources, the adapter will still pass audio but without the noise rejection benefits of balanced wiring.

How many people can I reach using these adapters with my PA system?

The adapters themselves don't limit venue size - that depends on your amplifier and speaker power. These adapters simply facilitate connections between your mixer and powered speakers or amplifiers. When used with typical 500-1000 watt powered speakers, you can effectively serve venues with 200-500 people depending on room acoustics and music type.

Can I use these adapters to connect microphones to my mixer?

These adapters have XLR female connectors, so they won't directly connect microphones (which have XLR male) to 1/4" inputs. You'd need the reverse configuration for that application. The SAPT18 is designed for line-level connections from mixers, keyboards, or audio interfaces to XLR inputs on speakers or recording gear.

What's the difference between getting one adapter versus this 2-pack?

The 2-pack gives you adapters for stereo applications or multiple connection points at a better per-unit price. Most live sound and recording setups benefit from having spare adapters on hand, since these small components are easy to misplace and critical for solving last-minute connectivity issues during performances or recording sessions.

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