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Product Comparison

Nuance Audio Glasses vs Signia Pure C&G IX

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
Nuance Audio Glasses Hero
NuanceSoundGrade A

Nuance Audio Glasses

The Nuance Audio Glasses represent a distinctive entry in the premium OTC hearing aid market at $1,200, combining prescription eyewear functionality with hearing amplification in a single device. In HearAdvisor's lab testing, this hearing glasses design earned a SoundScore of 4.0/5 (A grade), ranking #20 among 65 OTC hearing aids tested. The standout strength of the Nuance Audio Glasses is exceptional own-voice comfort, scoring 4.7/5—an excellent result that sits 2.19 points above the OTC category average of 2.51/5. Speech clarity in quiet environments also performs well at 3.8/5, which is 1.05 points above average. Speech understanding in noisy situations scores 2.3/5, which is above the category average of 1.48/5, though still mixed in absolute terms. Notable limitations exist with this unique form factor. Music streaming scored 0.0/5, falling 1.92 points below the category average—a significant weakness for users who prioritize audio entertainment. Feedback handling at 2.0/5 also trails the category average by 2.54 points, indicating mixed stability performance in our standardized challenge tests. The Nuance Audio Glasses are best suited for consumers who want a discreet, all-in-one solution combining vision correction and hearing assistance, particularly those who prioritize natural own-voice quality and speech clarity over streaming media capabilities. Buyers seeking robust music streaming should consider alternatives in this price range.

Expert Choice
Expert
Choice
Signia Pure C&G IX  Hero
SigniaSoundGrade A

Signia Pure C&G IX

The Signia Pure C&G IX is a premium prescription behind-the-ear 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 #20 among 36 prescription hearing aids tested. This device demonstrates consistent strength across multiple performance areas. Speech in quiet scored a solid 4.0/5, sitting 0.65 points above the category average. Speech in noise performance, while above the category average by 0.25 points, remains mixed in absolute terms at 2.2/5—a common challenge across prescription devices. Feedback handling is a standout feature, achieving a perfect 5.0/5 and exceeding the already-high category average. Own-voice comfort scores a solid 3.2/5, running 0.45 points above the category average, which suggests good occlusion management. Music streaming performs solidly at 3.0/5, also above average for the category by 0.36 points. The device supports both iPhone and Android streaming along with hands-free functionality. Professional tuning yields meaningful improvement, with the normalized score increasing from 4.0/5 to 4.5/5. Buyers seeking top-tier performance in this price range should note that competitors like the Phonak Sphere Infinio (5.0/5) and Oticon Intent (4.85/5) scored higher in our testing. The Pure C&G IX may suit those who prioritize reliable feedback control and balanced everyday performance over maximum speech-in-noise capability.

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Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
Nuance Audio Glasses3.8
Signia Pure C&G IX4.0
Speech in noiseNew
Nuance Audio Glasses2.3
Signia Pure C&G IX2.2
Own voice
Nuance Audio Glasses4.7
Signia Pure C&G IX3.2
Feedback handling
Nuance Audio Glasses2.0
Signia Pure C&G IX5.0
Music streaming
Nuance Audio Glasses0.0
Signia Pure C&G IX3.0
Overall fit score
Nuance Audio Glasses4.0
Signia Pure C&G IX4.5

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Fitting configuration for tuned fit

Nuance Audio GlassesSignia Pure C&G IX
Ear CouplingOther
Ear CouplingSleeve Vented
ReceiverIntegrated in device
Receiver
Fitting FormulaProprietary manufacturer default
Fitting Formula
Listening ProgramProgram C
Listening Program
Volume Setting100% (Max volume)
Volume Setting
Software Versionv6.10.5/3.5.0
Software Version
Tuning AdjustmentsMy own voice set to "No", Personal calibration set to "Standard", Background noise set to "Lowered", Audio mode set to "Frontal"
Tuning Adjustments
NotesPerformance assumes temple size that places speaker outlet near top of ear. Scores reduce quickly as the speaker outlet gets further from ear.
Notes