Rexton Trax 42 Hearing Aid
A detailed overview of the Rexton Trax 42 hearing aid, covering its advanced features, technical specifications, and fitting ranges.
QuadCore Platform & Features
The Trax 42 utilizes the QuadCore platform, offering advanced audio exchange capabilities that require bilateral fitting. It features 42 signal processing channels, 20 gain handles, and synchronized binaural signal processing for volume and program coupling. The device supports 6 programs.
Hardware Specifications
- RIC technology with various external receiver options (45dB, 60dB, 70dB, 75dB).
- 312 battery.
- Rocker switch for control.
- Telecoil functionality.
- Autophone feature.
- SecureTec protection with an IP67 rating.
QuadCore Speech Processing
- Directional iLock Premium Performance.
- iFocus 360 technology.
- Intelligent Mic Morphing with 42 channels.
- HD Directionality with adjustable steps and on/off function.
- HD Bandwidth up to 10 kHz.
- 4c Feedback Preventer.
- 4c Bandwidth Compression.
Smart Set & Go Features
- Smart Automatic Equalizer and Acclimatization for premium performance.
- Automatic Classifier for premium performance.
- Data Logging capabilities.
Sound Comfort and Convenience
- Smart Remote App for core functionality.
- Noise Management and Sound Smoothing for premium performance.
- Sound Radiance and Wind Noise Cancellation.
- Omni Sound Locator.
- Microphone-pattern adjustment (Smart Connect App recommended).
Accessories
- Smart Remote.
- Smart Connect for Bluetooth connectivity with cell phones and stereo audio streaming (requires Smart Connect).
- Transmitter (requires Smart Connect).
- Speech Connect (requires Smart Connect).
- Smart Power charger.
- Wired programming with 312-programming-adaptor.
- Wireless programming with ConnexxLink™.
Technical Data Tables
The following tables detail the technical specifications for the Trax 42 across different receiver types (S-Receiver, M-Receiver, P-Receiver, HP-Receiver) and configurations (2 ccm coupler, Ear simulator).
S-Receiver and M-Receiver Technical Data
| Type | 2 ccm coupler | Ear simulator | 2 ccm coupler | Ear simulator |
|---|---|---|---|---|
| S-Receiver | S-Receiver | M-Receiver | M-Receiver | |
| Output sound pressure level at 1.6 kHz | - | 109 dB SPL | - | 122 dB SPL |
| Peak | 108 dB SPL | 119 dB SPL | 119 dB SPL | 129 dB SPL |
| HFA-OSPL 90 | 102 dB SPL | 114 dB SPL | - | - |
| Gain (Full on gain at 1.6 kHz) | - | 43 dB | - | 55 dB |
| Gain (Full on gain (peak)) | 45 dB | 56 dB | 60 dB | 70 dB |
| HFA-FOG | 37 dB | - | 50 dB | - |
| Reference test gain | 25 dB | 34 dB | 37 dB | 47 dB |
| Frequency range | 100-10000 Hz | 100-10500 Hz | 100-8800 Hz | 100-10000 Hz |
| Equivalent input noise | 18 dB SPL | 22 dB SPL | 19 dB SPL | 23 dB SPL |
| Total harmonic distortion at 500/800/1600 Hz | 1/1/1 % | 1/1/2 % | 1/1/2 % | 1/3/3 % |
| AI-DI | 3.8 dB | - | 3.8 dB | - |
| Inductive coil sensitivity (MASL at 1.6 kHz) | - | 75 dB SPL | - | 85 dB SPL |
| HFA MASL (1 mA/m) | 68 dB SPL | - | 80 dB SPL | - |
| HFA SPLITS (left/right) | 84 / 84 dB SPL | - | 96 / 96 dB SPL | - |
| RSETS (left/right) | -1 / -1 dB SPL | - | -1 / -1 dB SPL | - |
| Battery voltage | 1.3 V | - | 1.3 V | - |
| Battery current drain | 0.9 mA | - | 1.0 mA | - |
| Battery life (cell zinc air) | ~130 h | - | ~120 h | - |
| Battery life (rechargeable) | up to 16 h | - | - | - |
| IRIL IEC 118-13:2004 (bystander) 800-960 MHz | - | <-6 dB SPL | - | <-6 dB SPL |
| IRIL IEC 118-13:2004 (bystander) 1400-2000 MHz | - | <-24 dB SPL | - | <-24 dB SPL |
| ANSI C63.19 | M4/T4 | - | M4/T4 | - |
P-Receiver and HP-Receiver Technical Data
| Type | 2 ccm coupler | Ear simulator | 2 ccm coupler | Ear simulator |
|---|---|---|---|---|
| P-Receiver | P-Receiver | HP-Receiver | HP-Receiver | |
| Output sound pressure level at 1.6 kHz | - | 128 dB SPL | - | 137 dB SPL |
| Peak | 124 dB SPL | 134 dB SPL | 130 dB SPL | 138 dB SPL |
| HFA-OSPL 90 | 120 dB SPL | 124 dB SPL | 124 dB SPL | - |
| Gain (Full on gain at 1.6 kHz) | - | 70 dB | - | 82 dB |
| Gain (Full on gain (peak)) | 70 dB | 80 dB | 75 dB | 82 dB |
| HFA-FOG | 63 dB | - | 68 dB | - |
| Reference test gain | 43 dB | 53 dB | 48 dB | 62 dB |
| Frequency range | 100-7800 Hz | 100-8100 Hz | 100-7500 Hz | 250-5200 Hz |
| Equivalent input noise | 18 dB SPL | 21 dB SPL | 18 dB SPL | 12 dB SPL |
| Total harmonic distortion at 500/800/1600 Hz | 2/2/1 % | 3/3/2 % | 1/2/1 % | 1/1/1 % |
| AI-DI | 3.8 dB | - | 3.8 dB | - |
| Inductive coil sensitivity (MASL at 1.6 kHz) | - | 100 dB SPL | - | 114 dB SPL |
| HFA MASL (1 mA/m) | 91 dB SPL | - | 99 dB SPL | - |
| HFA SPLITS (left/right) | 102 / 102 dB SPL | - | 107 / 107 dB SPL | - |
| RSETS (left/right) | -1 / -1 dB SPL | - | -1 / -1 dB SPL | - |
| Battery voltage | 1.3 V | - | 1.3 V | - |
| Battery current drain | 1.0 mA | - | 1.1 mA | - |
| Battery life (cell zinc air) | ~120 h | - | ~110 h | - |
| Battery life (rechargeable) | - | - | - | - |
| IRIL IEC 118-13:2004 (bystander) 800-960 MHz | - | <-6 dB SPL | - | <-6 dB SPL |
| IRIL IEC 118-13:2004 (bystander) 1400-2000 MHz | - | <-24 dB SPL | - | <-24 dB SPL |
| ANSI C63.19 | M4/T4 | - | M4/T4 | - |
Fitting Range Diagrams
The following diagrams illustrate the fitting ranges for the Trax 42 with different receiver types and ear canal acoustics:
S-Receiver Fitting Range
Diagram showing hearing loss (dB SPL) on the y-axis and frequency (kHz) on the x-axis. The blue shaded areas represent the fitting ranges for Open Click Domes, Closed Click Domes, and Click Mold (no vent).
M-Receiver Fitting Range
Diagram showing hearing loss (dB SPL) on the y-axis and frequency (kHz) on the x-axis. The blue shaded areas represent the fitting ranges for Open Click Domes, Closed Click Domes, and Click Mold (no vent).
P-Receiver Fitting Range
Diagram showing hearing loss (dB SPL) on the y-axis and frequency (kHz) on the x-axis. The blue shaded areas represent the fitting ranges for Double Click Domes and Click Mold (no vent).
HP-Receiver Fitting Range
Diagram showing hearing loss (dB SPL) on the y-axis and frequency (kHz) on the x-axis. The blue shaded area represents the fitting range for Custom Shell (no vent).
Basic Data Graphs
Detailed performance graphs for various configurations:
S-Receiver (Closed Click Dome) Basic Data
Graphs include: Output sound pressure level, Full on gain, Frequency response, Basic acoustic response, Inductive response, and SPLITS curves for both 2 ccm coupler and Ear simulator configurations.
M-Receiver (Closed Click Dome) Basic Data
Graphs include: Output sound pressure level, Full on gain, Frequency response, Basic acoustic response, Inductive response, and SPLITS curves for both 2 ccm coupler and Ear simulator configurations.
P-Receiver (Click mold) Basic Data
Graphs include: Output sound pressure level, Full on gain, Frequency response, Basic acoustic response, Inductive response, and SPLITS curves for both 2 ccm coupler and Ear simulator configurations.
HP-Receiver (Custom Shell) Basic Data
Graphs include: Output sound pressure level, Full on gain, Frequency response, Basic acoustic response, Inductive response, and SPLITS curves for both 2 ccm coupler and Ear simulator configurations.
Abbreviations and Standards
Abbreviations Used
- OSPL: Output Sound Pressure Level
- HFA: High Frequency Average
- FOG: Full-On Gain
- MASL: Magneto Acoustical Sensitivity Level
- SPLITS: Coupler SPL for an Inductive Telephone Simulator
- RSETS: Relative Equivalent Telephone Sensitivity
- AI-DI: Articulation Index - Directivity Index
- IRIL: Input Related Interference Level
- RTF: Reference Test Frequency
Standards Compliance
Measurements were performed according to:
- ANSI S3.22-2009 and IEC 60118-7:2005 for 2 ccm coupler measurements.
- IEC 118-0/A1 and DIN 45605 for ear simulator measurements.
Ear Pieces Used
- S-Receiver Unit and M-Receiver Unit: Closed Click Dome
- P-Receiver Unit: Click Mold
- HP-Receiver Unit: Custom Shell
Important Information and Warnings
WARNING: Choking hazard posed by small parts. This instrument is not intended for the fitting of infants, small children, or persons with mental incapacity.
WARNING: The instrument has an output sound pressure level of 132 dB SPL or more, posing a risk of impairing the user's residual hearing. Special care should be taken when fitting this instrument.
The information in this document contains general descriptions of technical options and is subject to change without prior notice. Specific features should be confirmed at the time of contract.
