The EC4S-FR-I aviation speaker delivers quality audio for aerospace applications. The high-power ferrite magnet and flame retardant cone and surround offers excellent frequency response for voice operations. Also, quick-connect terminals provide for easy installation into small enclosures and systems.
- Voice Range Speaker
- 4-inch (100 mm) square speaker
- 6 watt (rms) 12 watt (program)
- 0.6-inch copper voice coil, aluminum former
- Ferrite magnet, flame retardant cone & surround
Product Codes | |
|---|---|
| Mfr Part No: | EC4S-FR-I |
| ECCN: | EAR99 |
| SCHEDULE B CODE: | 8518.21.0000 |
Application: aerospace, drive-thru, kiosk, voice communicationsNet weight: 0.25 kgNominal Size: 4-inch (100 mm)Rated Impedance: 8ΩSensitivity: 88 dB SPLFrequency Range: 140 Hz — 9.000 HzRoHS Compliance: noDC Resistance (Re): 6.3ΩProgram Power: 12 wattsNominal Impedance: 8ΩResonant Frequency (Fs): 267 HzMechanical Q Factor (Qms): 5.9Electrical Q Factor (Qes) 3.72Total Q Factor (Qts): 2.29Basket Type: Stamp Steel with zinc platingTerminal Size: 5.2 x 0.5 mmVoice Coil Diameter: 14.5 mmVoice Coil Wire Material: copperVoice Coil Former Material: aluminumMagnet Material: ferriteMagnet Weight: 68 gCone Body Material: flame retardant paperSpider Material: flame retardant clothDust Cap Material: flame retardant paper
- Stock: Warehouse
- Manufacturer Part #: EC4S-FR-I
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
