Lucid Ultra 128 vs Signia Active Pro IX
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Choice

Lucid Ultra 128
The Lucid Ultra 128 is a premium behind-the-ear prescription hearing aid priced at $5,000, earning an A grade with a SoundScore of 4.4/5 in our lab testing. It ranks #17 among 39 prescription hearing aids tested, placing it in the top 41% of its category. Speech performance is where the Lucid Ultra 128 truly excels. In our lab testing, speech in quiet scored a strong 4.3/5, which is 0.95 points above the category average. Speech in noise performance reached 2.7/5, which sits above the category average by 0.59 points, though it remains mixed in absolute terms. This suggests the device handles conversational clarity well in our test scenarios, particularly in quieter environments. The device does face some challenges. Feedback handling scored just 1.7/5, falling 3.02 points below the category average of 4.72/5—a notable weakness compared to other prescription aids in our testing. Music streaming also came in below average at 2.3/5, which is 0.46 points under the category norm. Own-voice comfort scored a mixed 2.9/5, slightly above average. At this price point, several competitors in our database achieved higher overall scores, including the Phonak Sphere Infinio and Oticon Intent. The Lucid Ultra 128 features disposable batteries and supports both iPhone and Android streaming. It may appeal to users who prioritize speech clarity in quiet settings and are less concerned about feedback stability or music streaming fidelity in our standardized tests.
Choice

Signia Active Pro IX
The Signia Active Pro IX is a premium prescription hearing aid with a visible-in-ear design, priced at $3,199. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.6/5, ranking #8 among 39 prescription hearing aids tested. This device delivers strong speech clarity performance. Speech in quiet scores 4.3/5, which is +0.85 points above the category average—a notable strength for everyday conversations. Speech in noise measures 2.9/5, which is +0.74 points above the category average, though the absolute score reflects mixed performance in challenging listening environments. Own-voice comfort scores a solid 3.3/5, sitting +0.60 points above average, suggesting reasonable naturalness for wearers. Music streaming quality is mixed at 2.9/5, only slightly above the category average (+0.14 points). Feedback handling scores 3.4/5—solid in absolute terms but -1.32 points below the category average of 4.72/5, indicating this device may be more prone to feedback than typical prescription aids in our standardized tests. The Active Pro IX features rechargeable batteries and supports both iPhone and Android streaming with hands-free capability. It earned HearAdvisor's 2024 Expert's Choice Award. Buyers in this premium price tier should note that competitors like the Phonak Sphere Infinio and Oticon Intent score higher overall. Those seeking similar performance at lower cost may want to explore options like the Rexton Reach R-Li T80 at Costco.
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