The Model 240 passenger speaker amplifier is a remote-controlled unit that is operated from switches and potentiometers located in the cockpit or cabin of the aircraft. This unit receives audio from various sources to send to speakers located in the cabin. The Model 240 provides stereo music to the cabin from external music sources. This passenger audio amplifier also provides fasten seat belt and no smoking chime tones, cabin call ring tone, ADF, pilot selection Com (PSC), TV, Briefer and cabin paging audio to the cabin speakers.
- "Fasten seat belt" and "no smoking" sign chime tones
- Cabin call ringer tone, ADF, PCS, TV, paging audio to cabin speakers
- Electronically switched
- Manual cockpit switches enable electronic switches in the 240 amp
- Paging and briefer audio priority
- Microphone bias current available for PA microphone input
Product Codes | |
|---|---|
| Mfr Part No: | 240 |
| PROAPP: | NAT240 |
| SCHEDULE B CODE: | 8504.40.0040 |
| TSO: | C50c |
Weight: 1.4 lbDimensions: 7.8 x 4.9 x 1.9 inInput Signals: ADF: 7.75 VRMS PSC, TV, Briefer, stereo left & right: 1.0 VRMS PA MIC: supplies bias current and compatible with carbon and amplified dynamic microphones PAGING VOLUME: controls PA mic level and briefer audio inputs to the PA side tone and left & right speaker outputs RECIEVER VOLUME: Controls ADF, PSC, and TV audio to left & right speaker outputs POWER SUPPLY: 28 VDC @ 3A, max.Output: Left/Right speaker: 20 W @ 2Ω (peak) 2W continuous 10W @ 4Ω (peak), 1W continuousFrequency response: Stereo inputs to speaker outputs - flat within 3 dB form 85 Hz to 20,000 Hz. All other inputs to speaker or PA sidetone outputs - flat within 3 dB from 350 Hz to 6,000 HzHarmonic Distortion: Less than 3%, all outputsTemperature: -55°C to 70°CAltitude: Up to 70,000 ftCertifications: DO-160B Env. Cat F2-BA[JLO]XXXXXXX[BZ]AAAAAL FAA TSO C50c (RTCA DO-170) Class 1b)
- Stock: Warehouse
- Manufacturer Part #: 240
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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.
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