Find the bad cable in seconds – before it ruins your show. The Mackie MTEST-1 is a battery-powered cable tester for live sound and studio work. Plug in the most common audio connectors, flip the 6-way switch and see straight away which pins are good and which cables need to go.
Why customers choose it
Who it is for
Live sound engineers, rental companies, studios, churches, schools, bands and DJs – anyone with a box of cables that needs sorting.
Specifications
| Connectors | 1/4″ TRS/TS, 1/8″ TRS/TS, XLR, RCA/phono, Speakon, MIDI, banana |
|---|---|
| Pin check | 6-way switch |
| Manual test | Supplied signal probes |
| Power | 1 × 9V battery |
| Build | Built-Like-A-Tank construction |
| Type | Cable tester |
| Connectivity | 1/4" TRS/TS, 1/8" TRS/TS, XLR, RCA, Speakon, MIDI, banana |
Good to know
- Needs one 9V battery to run.
- Test cables before every show – it saves time hunting for a fault mid-gig.
FAQ
Can it test Speakon and MIDI cables?
Yes, both are supported along with XLR, 1/4″, 1/8″, RCA and banana.
Does it need power?
It runs on a single 9V battery.

































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