
This 38T headset microphone is a FAA approved noise cancelling electret microphone that features built-in microphone gain adjustment.
- Built-in gain adjustment
- Noise cancellation electret microphone
- FAA TSO C58 Approaval
Product Codes | |
|---|---|
| Mfr Part No: | 63999-000 |
| ECCN: | 7A994 |
| SCHEDULE B CODE: | 8518.10.0000 |
| TSO: | C58 |
Weight: 8 oz (227 g)Microphone Sensitivity: -45 dB – -51 dB (re: 1 V / μbar @ 1 kHz, 12 VDC)Microphone Type: Close talking differential, electret elementMounting: External Diameter mountFrequency Response: 300 Hz – 3 kHzMatching Impedance: 50Ω â€“ 600ΩSupply Voltage: 8 VDC – 32 VDCCurrent Requirement: 11.2 mA @ 12V, 150Ω loadConnector Type: PJ-068 (63999-000)Cable Length: 11.5 in (292 mm), retracted 6 ft (1.8 m), extendedApprovals: FAA TSO C-58
- Stock: Out of Stock
- Manufacturer Part #: 63999-000
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.