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
AI disclosure: this description was generated with AI assistance from this product's own listing data.
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 only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- 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
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed 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.
