The SAPT523 connectors solve a common problem for sound engineers and installers who need to interface consumer devices with professional audio equipment. These balun connectors convert 3.5mm TRRS signals to bare wire connections through secure screw terminals.

Each connector features a standard 1/8" (3.5mm) TRRS male plug on one end and a 4-pin screw terminal block on the other, allowing direct connection of raw wires to mobile devices, laptops, or audio interfaces. The TRRS configuration supports stereo audio plus microphone or control signals, making these ideal for balanced-to-unbalanced signal conversion.

The gold-plated connectors ensure reliable signal transfer and resist corrosion over time. The screw terminal design provides secure, professional-grade connections that won't work loose during transport or installation. This two-pack configuration gives you redundancy for stereo applications or backup connectors for different setups.

These adapters work particularly well for permanent installations in churches, schools, or venues where consumer audio sources need integration with distributed sound systems. They're also valuable for mobile DJs connecting smartphones or tablets to mixing consoles, and for contractors building custom audio solutions.

The connectors accept standard gauge wire and require no additional cables or adapters to function. Simply strip your wire ends and secure them in the appropriate screw terminals based on your wiring diagram.

Seismic Audio backs these connectors with a one-year warranty. Professional-grade construction at a practical price point for installers and mobile performers who need reliable signal conversion.

Technical Specifications

Frequently Asked Questions

What's the difference between TRRS and regular TRS connectors?

TRRS (Tip-Ring-Ring-Sleeve) has four conductors instead of three, supporting stereo audio plus microphone or control signals. Regular TRS only handles stereo audio. These SAPT523 connectors are specifically designed for TRRS applications where you need the extra conductor for mic input or control functions.

Can I use these to connect my phone to a PA system?

Yes, these are ideal for connecting smartphones or tablets to professional audio equipment. The 3.5mm TRRS end plugs into your device while the screw terminals connect to your mixer inputs or direct box. You'll need to wire the appropriate conductors based on whether you're sending stereo audio or mono with microphone return.

What gauge wire works with the screw terminals?

The screw terminals accept standard audio cable wire gauges typically used in professional installations. Strip about 1/4 inch of insulation from each conductor and secure firmly in the appropriate terminal. The terminals provide reliable connection for both stranded and solid core wire.

Do these work for balanced audio connections?

These connectors facilitate balanced-to-unbalanced conversion, which is their primary function. The screw terminals allow you to properly wire balanced signals from the TRRS source to unbalanced inputs on professional equipment, or vice versa depending on your signal flow requirements.

Why would I need two connectors in a pack?

Many applications require stereo connectivity or backup connectors for different setups. Mobile DJs often use one for their primary device and keep a spare, while permanent installations may need both for left and right channel distribution or different zones in a facility.

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