Hearing Instrument RAB-32257-000
RAB-32257-000
Compact, high-performance balanced armature receivers engineered for precision sound delivery in modern hearing instruments.
Brand: Knowles
Manufacturers:
Product Overview
Features
- Output levels ranging from 105 dB to 132 dB SPL at 500 Hz @ 5% THD
- Proprietary technologies including Pantograph™, Ferrofluid™, and D-Amp™ for enhanced performance
- Dual diaphragm configurations for improved output in compact form factors
- Wide range of sizes from 3.00 × 3.00 × 2.00 mm to 9.47 × 7.18 × 4.10 mm
- Available in 2- and 3-terminal versions with multiple port and impedance options
- Fully automated receiver models for consistent quality and traceability
- Shock-resistant designs with up to 30% improved durability over baseline models
Benefits
- Enables high-fidelity sound reproduction in space-constrained hearing aids
- Reduces distortion and feedback for clearer audio experiences
- Supports a wide range of hearing loss profiles, including high-frequency loss
- Enhances product reliability and manufacturing scalability
- Minimizes power consumption for longer battery life
- Improves user comfort with smaller, lighter components
- Increases design flexibility for custom-fit and over-the-counter (OTC) devices
Target Applications
- Receiver-in-canal (RIC) hearing aids
- In-the-ear (ITE), in-the-canal (ITC), and completely-in-canal (CIC) devices
- Behind-the-ear (BTE) hearing aids
- Over-the-counter (OTC) hearing enhancement products
- Bluetooth communication earpieces
- High-fidelity audio wearables
Specifications
| Type | Receiver, Balanced Armature |
|---|---|
| Part Number | RAB-32257-000 |
| Product | Receiver, Balanced Armature |
| Product Type | Balanced Armature |
| Range | RAB |
| Frequency Range | 20 Hz ~ 11 kHz |
| Self Resonance | - |
| Impedance | 48 Ohms |
| Sensitivity | 105.5 |
| SensitivityType | Sound Pressure Level (SPL) |
| Port Location | Top |
| Shape | Rectangular |
| Height | 0.203" (5.15mm) |
| Dimensions | 0.203" L x 1.117" W (5.15mm x 2.96mm) |
| Termination | Solder Pads |
Product Documentation
Datasheets
Design Files
3D Models
Additional Resources
Distributor Inventory
Powered by NetComponents
| Part Number | Part Description | Quantity | Distributor |
|---|---|---|---|
| RAB-32257-000 | SPEAKERS & TRANSDUCERS BALANCED ARMATURE RECEIVER, WARM BASS | 192 |
Mouser Electronics Inc.
Visit Site
|
| RAB-32257-000 | KNOWLES | 393 |
DigiKey
Visit Site
|