--- product_id: 12721291 title: "SPO-42N 4-Place High Noise Intercom" brand: "sigtronics" price: "€ 499.17" currency: EUR in_stock: true category: "Sigtronics" url: https://www.desertcart.pt/products/12721291-spo-42n-4-place-high-noise-intercom store_origin: PT region: Portugal --- # 4-place headset compatibility High-noise reduction tech 40-hour battery life SPO-42N 4-Place High Noise Intercom **Brand:** sigtronics **Price:** € 499.17 **Availability:** ✅ In Stock ## Summary > 🛩️ Elevate your cockpit communication—because every word counts. ## Quick Answers - **What is this?** SPO-42N 4-Place High Noise Intercom by sigtronics - **How much does it cost?** € 499.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/12721291-spo-42n-4-place-high-noise-intercom) ## Best For - sigtronics enthusiasts ## Why This Product - Trusted sigtronics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pilot-Friendly Design:** PTT jacks and satellite box keep controls intuitive and cords out of the way. - • **Advanced Noise Reduction:** Cut through cockpit chaos with crystal-clear audio clarity. - • **Seamless 4-Place Communication:** Connect pilots and crew effortlessly with multi-user intercom support. - • **Unmatched 40-Hour Battery Life:** Stay powered through your longest flights without a hitch. - • **Versatile Aux Inputs & Outputs:** Record lessons or stream music with easy plug-and-play functionality. ## Overview The SPO-42N 4-Place High Noise Intercom is a professional-grade aviation communication system designed for students, instructors, and aircraft renters. Featuring a robust 40-hour internal 9V battery, advanced noise reduction for ultra-light and kit aircraft, and compatibility with all standard aircraft headsets, it ensures clear, uninterrupted communication. With music input, Aux output for recording, and pilot/co-pilot PTT jacks, this USA-made intercom combines durability with versatile functionality, backed by a 5-year warranty. ## Description 5-year warranty and a sure-fit for all students, instructors and aircraft renters. All have a music input and Aux output for recording lessons and radio communications. Both pilot and co-pilot positions have PTT jacks. Powered by an internal 9V battery (included), good for 40 hours of operation in airplanes lacking a cigarette lighter socket. A 4-foot Aux power adapter is included. When using the power cord, the battery is by-passed, preserving the life of the battery. The 2-place SPO-22, 4-place SPO-42 and 6-place SPO-62 are compatible with all standard aircraft headsets. The 4-place and 6-place models have a satellite box for rear seat positions to keep unwanted headset cords out of the pilots way. A special HIGH-NOISE model, perfect for Ultra-lights and Kit aircraft, is available in all configurations. It filters out background noise, lowers the input level at mic amp, increases output signal, and mic interface can be modified to interface with radios. Also features a sidetone modification. Made in USA. ## Features - -year warranty and a sure-fit for all students, instructors and aircraft renters. All have a music input and Aux output for recording lessons and radio communications. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00512HCVC | | Additional Features | Noise Reduction | | Are Batteries Included | Yes | | Audio Output Mode | AUX | | Battery Average Life | 40 Hours | | Best Sellers Rank | #432,341 in Electronics ( See Top 100 in Electronics ) #64,103 in Car Electronics | | Brand | Sigtronics | | Built-In Media | 4-foot Aux power adapter, 9V battery | | Connectivity Protocol | Auxiliary | | Connectivity Technology | Auxiliary | | Control Method | Touch | | Customer Reviews | 5.0 5.0 out of 5 stars (3) | | Display Type | LCD or LED | | Human-Interface Input | Microphone | | Manufacturer | Sigtronics | | Map Types | North America, Satellite | | Mfr Part Number | SPO-42N | | Model Name | SPO-42N | | Model Number | SPO-42N | | Model Year | 2017 | | Mounting Type | Panel Mount | | Supported Satellite Navigation System | GPS | | Touch Screen Type | Capacitive | ## Product Details - **Audio Output Mode:** AUX - **Battery Life:** 40 Hours - **Brand:** Sigtronics - **Connectivity Technology:** Auxiliary - **Included Components:** 4-foot Aux power adapter, 9V battery - **Map Type:** North America, Satellite - **Model Name:** SPO-42N - **Mounting Type:** Panel Mount - **Special Feature:** Noise Reduction - **Year:** 2017 ## Images ![SPO-42N 4-Place High Noise Intercom - Image 1](https://m.media-amazon.com/images/I/31rDzis-vnL.jpg) ## Frequently Bought Together - Sigtronics SPO-42N 4-Place High Noise Intercom - SMALLRIG Clamp w/ 1/4" and 3/8" Thread and 9.8 Inches Adjustable Friction Power Articulating Magic Arm with 1/4" Thread Screw for LCD Monitor/LED Lights - KBUM2732B --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/12721291-spo-42n-4-place-high-noise-intercom](https://www.desertcart.pt/products/12721291-spo-42n-4-place-high-noise-intercom) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-07-07*