Lucid Tala vs Phonak Sphere Infinio Ultra
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Choice

Lucid Tala
The Lucid Tala is a premium OTC hearing aid priced at $1,300, earning an A grade with a SoundScore of 4.6/5 in our lab testing. This places it among the top performers in the OTC category, ranking #4 out of 65 tested devices. Speech performance stands out as the Tala's defining strength. Speech in quiet scores an excellent 4.6/5, measuring 1.85 points above the OTC category average. Speech in noise also performs well at 3.0/5, exceeding the category average by 1.56 points—a meaningful advantage for conversations in challenging environments. Music streaming delivers solid results at 3.0/5, outpacing the category average by 1.08 points. The Tala does show limitations in feedback handling, scoring 1.7/5 in our tuned testing—2.84 points below the category average. This is a notable weakness that prospective buyers should consider, particularly if prone to feedback-inducing situations. Own-voice comfort scores 2.6/5, which is above the category average but only mixed in absolute terms. This visible-in-ear style device features rechargeable batteries and supports streaming from both iPhone and Android devices with hands-free capability. The Tala has earned HearAdvisor's Expert's Choice Award in both 2023 and 2024. It's best suited for users who prioritize speech clarity and are willing to invest in a premium OTC option, though those particularly sensitive to feedback may want to explore alternatives.
Choice

Phonak Sphere Infinio Ultra
The Phonak Sphere Infinio Ultra is a premium behind-the-ear prescription hearing aid priced at $4,898. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.9/5, placing it in the top 5% of the 39 prescription hearing aids tested and ranking #3 in the category. This device demonstrates exceptional speech performance in our testing. Speech in noise scored 4.5/5—an excellent result that measures 2.40 points above the category average of 2.11/5. Speech in quiet also performed strongly at 4.3/5, which is 0.92 points above the category average. These results suggest the Sphere Infinio Ultra may particularly benefit users who frequently navigate challenging listening environments like restaurants or group conversations. Music streaming delivered a solid 3.3/5, measuring 0.54 points above category average. Own-voice comfort scored 2.8/5, which is above the category average by 0.10 points but remains mixed in absolute terms. Feedback handling measured 4.2/5—strong in absolute terms, though 0.52 points below the category average of 4.72/5. The Sphere Infinio Ultra is best suited for users seeking top-tier speech clarity who prioritize performance in noisy environments and are prepared to invest at the premium price tier. Those seeking similar sound quality at a lower price point may also consider the Phonak Sphere Infinio, which scored 4.98/5 in our testing.
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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