| Model | Sigtronics SPO-42 4-Way Voice Activated |
|---|---|
| Condition | Used |
| Location | Cedar Grove , US |
| Date Listed | Oct 28, 2026 |
| Expires | Nov 7, 2026 |
Description
Sigtronics Transcom II SPO-42 voice-activated intercom with Sigtronics push-to-talk switch included. I used this only a few times in an older aircraft, so it is in excellent condition in its original box with instruction sheet. Can be powered by 9-volt batteries (not included) or with aircraft power. These intercoms are still being sold by pilot shops online for $285-$299, so this is a great deal for anyone looking to add 4-place intercom capabilities at a very reasonable cost.
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