
The Model 270 Universal Interface Amplifier provides multipurpose amplification and switching functions for varying radio, microphone, and customized audio interface requirements. This unit provides an interface for radios, headsets, and microphones along with specialized switching functions such as voice-activated switching, radio PTT switching, and other interface functions.
- Serves as a mobile/FM radio-audio interface
- Primary amplifier for and aircraft or vehicle operator station
- Deployable as an auxiliary amplifier for interface to other applications
- Mobile/FM radio interface
- Floating key lines
- RX & Sidetone amplifier
- Floating audio lines in and out
- Mic amplifier with adjustable output
- Selectable functions and levels
- Includes VOX and 1 pin for VOX control
Product Codes | |
|---|---|
| Mfr Part No: | 270 |
| ECCN: | 7A994 |
| PROAPP: | TSO:PT2204NM/PMA:PQ2204NM |
| SCHEDULE B CODE: | 8518.40.2000 |
| TSO: | C50C |
Weight:Â 0.40 lb / 0.18 kgDimensions: 4.5 x 1.38 x 5.0 in (114.3 x 35.052 x 127 mm)Power:Â 0.25A (maximum) at 14/28 VDCCompliance: DO160C
- Stock: Warehouse
- Manufacturer Part #: 270
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.