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Product Comparison

Signia Pure C&G IX vs Zepp Clarity One

Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

Uses Official HearAdvisor Lab Data
Expert Choice
Expert
Choice
Signia Pure C&G IX  Hero
SigniaSoundScore 4.1Grade A

Signia Pure C&G IX

The Signia Pure C&G IX is a premium behind-the-ear prescription hearing aid released in 2023, currently available at $3,298. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.1/5, ranking #22 among 39 prescription hearing aids tested. This device demonstrates notable strengths in speech clarity and feedback control. Speech in quiet scored 4.0/5, which is 0.57 points above the category average—a meaningful advantage for everyday conversations. Feedback handling achieved a perfect 5.0/5, sitting 0.28 points above the already-high category average of 4.72/5. Own-voice comfort also performed well at 3.2/5, exceeding the category average by 0.50 points. Speech in noise presents a more mixed picture. While the 2.2/5 score is technically above the category average by 0.10 points, it remains modest in absolute terms—something to consider if challenging listening environments are a priority. Music streaming scored a solid 3.0/5, sitting 0.24 points above average. The Pure C&G IX features rechargeable batteries and supports streaming to both iPhone and Android devices, including hands-free calling. At this premium price point, competitors like the Phonak Sphere Infinio (4.98/5) and Oticon Intent (4.83/5) achieve higher overall scores. This device may suit those who prioritize clear speech in quieter settings and excellent feedback stability, though buyers seeking stronger noise performance may want to compare alternatives.

Product Image
ZeppSoundScore 3.9Grade B

Zepp Clarity One

The Zepp Clarity One is a mid-priced OTC hearing aid with an invisible-in-ear design, priced at $699. In HearAdvisor's lab testing, it earned a B grade with a SoundScore of 3.9/5, ranking #23 among 65 OTC hearing aids tested—placing it in the top 34% of the category. This device demonstrates notable strengths in speech clarity during quiet environments, scoring 3.7/5—nearly a full point above the category average. Own-voice comfort is another highlight at 3.8/5, measuring 1.29 points above average, which suggests reduced occlusion effects that many users find bothersome with in-ear devices. Feedback handling is excellent at 5.0/5 in the tuned configuration. However, the Clarity One has significant limitations. Speech understanding in noisy environments scores just 1.4/5, slightly below the category average. Most notably, music streaming scored 0.0/5—nearly 2 points below the category average—indicating this device does not support audio streaming functionality, a feature some competitors in this price range offer. The Zepp Clarity One is best suited for users who prioritize clear speech in quieter settings and natural own-voice quality, and who do not need music or media streaming capabilities. Those seeking better noise performance or streaming features should consider alternatives, including options like the Olive Union Air, which offers similar overall sound quality at a lower price point.

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Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
Signia Pure C&G IX4.0
Zepp Clarity One3.7
Speech in noiseNew
Signia Pure C&G IX2.2
Zepp Clarity One1.4
Own voice
Signia Pure C&G IX3.2
Zepp Clarity One3.8
Feedback handling
Signia Pure C&G IX5.0
Zepp Clarity One5.0
Music streaming
Signia Pure C&G IX3.0
Zepp Clarity One0.0
Overall fit score
Signia Pure C&G IX4.5
Zepp Clarity One4.0

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Fitting configuration for tuned fit

Signia Pure C&G IXZepp Clarity One
Ear CouplingSleeve Vented
Ear CouplingPower Dome with Slits
Receiver–
ReceiverIntegrated in device
Fitting Formula–
Fitting FormulaProprietary manufacturer default
Listening Program–
Listening ProgramRestaurant
Volume Setting–
Volume Setting100% (3/3
Software Version–
Software Versionv1.0.5
Tuning Adjustments–
Tuning AdjustmentsBass and Treble adjusted, Other settings at manufacturer defaults