27mm 300Ω magnetic speaker/receiver, compact & lightweight, fits headphones, wearables, and aviation headsets via adapter frame.
27mm Magnetic Speaker/Receiver – 300Ω
Compact magnetic speaker/receiver, ideal for compact audio projects: headphones, wearables, hearing aids, DIY audio prototypes, and aviation headset/helmet builds.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Power | 15 mW |
| Max Power | 30 mW |
| Impedance | 300 Ω ± 15% |
| Sensitivity (SPL @ 1kHz, 2.12Vrms, IEC 318) | 110 ± 3 dB |
| Resonant Frequency | 400 Hz ± 20% |
| Diameter | 26.8 mm |
| Thickness | 8 mm |
| Magnet Material | NdFeB (Neodymium) |
| Diaphragm Material | Mylar |
| Weight | 2.3 g |
| Operating Temperature | -20°C ~ +60°C |
| Storage Temperature | -30°C ~ +60°C |
| Compliance | RoHS / REACH |
Notes
- Polarity: applying positive voltage to the positive terminal moves the diaphragm outward (red dot side = positive polarity).
- Tested for temperature, humidity, vibration, drop, and sustained load resistance.
- The 300Ω impedance matches the industry standard used in passive aviation headsets.
- Aviation headset/helmet use: thanks to its compact 26.8mm size and standard 300Ω impedance, this driver can be fitted into aviation headset or helmet earcups using a mechanical adapter/frame. Physical fitment with the specific earcup should always be verified before installation.
Ideal For
- Headphones and earbuds
- Wearable audio devices
- Aviation headsets and helmets (via mechanical adapter/frame)
- Electronics/audio prototyping
- Hearing aids and assistive devices
Specifications subject to change without notice.
Links to code and documentation
No additional links provided for this product.
Shipping policy
Shipping via courier could not be possible in some very rare cases and therefore it will be replaced with other shipping method unconditionally.
27mm Magnetic Speaker/Receiver – 300Ω
Sold by Amigatronic
$13.99
No tax for United States [change]
Stock available: 5
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