Premium Sound HE-31751-000
HE-31751-000
Balanced armature drivers engineered to deliver high-fidelity audio in compact, low-power designs for in-ear monitors and wireless earphones.
Brand: Knowles
Manufacturers:
Product Overview
Features
- Multiway driver architecture with separate woofers, mid-range, and tweeters
- Frequency response optimized for treble clarity and audio realism
- Compact form factors suitable for wired and wireless earphones
- Low power consumption for extended battery life
- Compatible with hybrid and multi-driver system designs
- Designed for integration into IEMs (in-ear monitors) and TWS (true wireless stereo) devices
Benefits
- Enhances audio detail and realism across the frequency spectrum
- Enables premium sound in space-constrained wearable devices
- Reduces power draw for longer wireless playback time
- Supports flexible acoustic tuning and system-level customization
- Improves user experience with immersive, high-resolution sound
- Simplifies design integration with scalable driver configurations
Target Applications
- True wireless stereo (TWS) earbuds
- Professional in-ear monitors (IEMs)
- Audiophile-grade wired earphones
- Hybrid earphones with dynamic woofers
- Hearing personalization and assistive audio devices
Specifications
| Type | Receiver, Balanced Armature |
|---|---|
| Part Number | HE-31751-000 |
| Product | Receiver, Balanced Armature |
| Product Type | Balanced Armature |
| Frequency Range | 50 Hz ~ 10 kHz |
| Self Resonance | - |
| Impedance | 118.1 Ohms |
| Sensitivity | 113.5 |
| SensitivityType | Sound Pressure Level (SPL) |
| Port Location | Top |
| Shape | Rectangular |
| Height | 0.282" (7.16mm) |
| Dimensions | 0.373" L x 0.283" W (9.46mm x 7.18mm) |
| Termination | Solder Pads |
| Range | HE |
Product Documentation
Datasheets
Design Files
3D Models
Additional Resources
Distributor Inventory
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| Part Number | Part Description | Quantity | Distributor |
|---|---|---|---|
| HE-31751-000 | SPEAKERS & TRANSDUCERS WIDE BANDWIDTH, WARM BASS, HIGH OUTPUT | 23 |
Mouser Electronics Inc.
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|
| HE-31751-000 | KNOWLES | 34 |
DigiKey
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|