The SA-CT3 cable tester is built for live sound engineers, mobile DJs, and venue technicians who need to quickly diagnose cable problems during setup or mid-show troubleshooting. When you're dealing with a dead channel or intermittent signal, this tool eliminates the guesswork.

This continuity tester handles seven different connector types in one unit: XLR (3-pin), Speakon (2-pole and 4-pole), TRS and TS quarter-inch, RCA, and MIDI (3-pin and 5-pin). It also tests hybrid cables like Speakon-to-quarter-inch or XLR-to-quarter-inch adapters that are common in live sound rigs.

The heavy-duty 14-gauge steel construction survives the rigors of road cases and venue storage. Instructions are printed directly on the front panel, so you'll never lose the manual. The bright red housing makes it easy to spot in dim lighting or crowded gear cases. Test leads are included for checking cables with connectors not built into the unit, and an audible tone confirms good connections when testing speaker cables.

Use it for pre-show system checks, mid-gig troubleshooting, or cable inventory maintenance in your shop. The compact design fits easily in a toolbox or DJ case, making it practical for mobile performers and permanent installations alike.

Requires one 9-volt battery (sold separately). The SA-CT3 connects directly to your cables without additional adapters. Seismic Audio backs this tester with a one-year warranty and ships ready to use.

Technical Specifications

Frequently Asked Questions

What cable types can the SA-CT3 test?

The SA-CT3 tests XLR (3-pin), Speakon (2-pole and 4-pole), TRS, TS quarter-inch, RCA, and MIDI (3-pin and 5-pin) cables. It also handles hybrid cables that combine different connector types, like Speakon-to-quarter-inch or XLR-to-RCA adapters. The included test leads let you check cables with other connector types not built into the unit.

Can I test speaker cables with this tester?

Yes, the SA-CT3 tests both Speakon and quarter-inch speaker cables for continuity. When testing speaker connections, it produces an audible tone to confirm proper contact. This makes it particularly useful for checking long speaker runs or troubleshooting dead drivers during live performances.

How do I know if a cable is good or bad?

The tester uses LED indicators to show continuity status for each conductor in your cable. For stereo or multi-conductor cables, individual LEDs light up to show which specific wires are making contact. If LEDs don't illuminate or only some light up, you've found a broken or partially damaged cable.

Does this work for both short patch cables and long cable runs?

The SA-CT3 tests cables of any practical length, from short patch cables to 100+ foot snake runs. The continuity testing method works regardless of cable length, making it equally useful for checking DJ patch cables and long venue installation runs. The bright red housing helps you locate the tester even in large venues or dark stages.

What's the difference between this and using a multimeter?

The SA-CT3 is purpose-built for audio cables with dedicated connectors for each cable type, while a multimeter requires separate test leads and more technical knowledge. The cable tester shows results instantly with clear LED indicators, whereas a multimeter displays resistance values that require interpretation. For audio professionals, the SA-CT3 is faster and more intuitive during live troubleshooting situations.

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