Olive Union Air vs Signia Active Mini IX
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

Olive Union Air
The Olive Union Air is a budget-priced OTC hearing aid that earned a B grade with a SoundScore of 3.9/5 in our lab testing, placing it in the top 31% of OTC hearing aids at #21 of 65 devices tested. At $250, it represents a competitive entry point in the over-the-counter hearing aid market. In our testing, this visible-in-ear style device demonstrated notable strengths in music streaming, scoring 3.6/5—a solid result that sits 1.67 points above the OTC category average. Feedback handling was excellent at 5.0/5, meaning users should experience minimal whistling or squealing during normal use. Speech understanding in quiet environments also performed well at 3.3/5, measuring 0.46 points above the category average. The Olive Union Air does show limitations in more challenging listening situations. Speech in noise scored 1.0/5, falling 0.48 points below the category average—a common weakness among budget OTC devices that may affect conversations in restaurants or busy environments. Own-voice comfort measured 2.2/5, slightly below average, which some users may notice when speaking. This device is best suited for individuals who prioritize music and media streaming, need reliable feedback control, and primarily listen in quieter environments. Those who frequently encounter noisy social situations may want to consider devices with stronger speech-in-noise performance.
Choice

Signia Active Mini IX
The Signia Active Mini IX is a premium prescription hearing aid with a visible-in-ear design, priced at $4,696. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.5/5, ranking #14 of 39 prescription hearing aids tested—placing it in the top 33% of its category. This device demonstrates strong speech clarity performance in our testing. Speech in quiet scored 4.1/5, which is +0.71 points above the category average of 3.40/5. Speech in noise measured 2.6/5—above the category average by +0.46 points, though only mixed in absolute terms at 2.6/5. Music streaming is a notable strength at 3.6/5, outperforming the category average by +0.84 points. Own-voice comfort scored a solid 3.2/5, sitting +0.50 points above average. However, feedback handling represents a limitation for this device, scoring 2.5/5—a mixed result that falls -2.22 points below the category average of 4.72/5. Users sensitive to feedback may want to discuss this with their hearing care provider. The Signia Active Mini IX delivers excellent overall sound performance with particular strengths in speech clarity and streaming audio quality. It's best suited for users who prioritize these capabilities and can work with their provider to manage the feedback handling limitations. The earbud-style design offers a modern, discreet appearance for those who prefer visible-in-ear devices.
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Scale 1-5 (Tuned)
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit