SonicEye Instrument

Level Checker

Feast your fingers on this affordable mini-tool. The SonicEye Level Checker gives performers, techs, and studio users a quick and reliable way to test signal integrity and ward off those pesky “audio blackouts.” To use, simply plug SonicEye into an output to be tested, press the black button in the center of the eye, and watch the meter. Check the signal strength at each suspected output, then remove, replace, or repair source of blackout.

SonicEye costs approximately $36, and can be purchased from or (International orders accepted.)