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Product Comparison
Cearvol Diamond X1 vs Rexton Reach R-Li T80 at Costco
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
Choice
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Speech in quiet
Cearvol Diamond X12.7
Rexton Reach R-Li T80 at Costco4.1
Speech in noise
Cearvol Diamond X11.3
Rexton Reach R-Li T80 at Costco2.4
Own voice
Cearvol Diamond X11.7
Rexton Reach R-Li T80 at Costco3.6
Feedback handling
Cearvol Diamond X14.5
Rexton Reach R-Li T80 at Costco4.8
Music streaming
Cearvol Diamond X14.1
Rexton Reach R-Li T80 at Costco2.7
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit
Cearvol Diamond X1Rexton Reach R-Li T80 at Costco
Ear CouplingClosed Dome
Ear CouplingSleeve Vented
Receiver–
Receiver119/60
Fitting Formula–
Fitting FormulaSmartFit (Manufacturer proprietary targets)
Listening Program–
Listening ProgramAutomatic
Volume Setting–
Volume SettingAdjusted to match NAL-NL2 targets at 55, 65, and 75 dB SPL
Software Version–
Software VersionRexFit v9.12.1 v9.112.0.1549, Firmware v25.5.972.3
Tuning Adjustments–
Tuning AdjustmentsProgrammed to N3 audiogram, Experience Level set at "Experienced", Other settings at manufacturer defaults
Notes–
Notesn/a