--- product_id: 559359595 title: "12V Car Booster 25 db - Amplify Signal & Reduce Noise AM FM Radio Universal Car FM AM Radio Amplifier for Car Stereo,Media,Head Unit Receiver" brand: "stymart" price: "46.12 DT" currency: TND in_stock: true reviews_count: 12 category: "Stymart" url: https://www.desertcart.tn/products/559359595-12v-car-booster-25-db-amplify-signal-and-reduce-noise store_origin: TN region: Tunisia --- # 25 dB signal gain Universal 12V power supply Built-in metal shielding 12V Car Booster 25 db - Amplify Signal & Reduce Noise AM FM Radio Universal Car FM AM Radio Amplifier for Car Stereo,Media,Head Unit Receiver **Brand:** stymart **Price:** 46.12 DT **Availability:** ✅ In Stock ## Summary > 🚗 Boost Your Drive with Signal Power That Speaks Volumes! ## Quick Answers - **What is this?** 12V Car Booster 25 db - Amplify Signal & Reduce Noise AM FM Radio Universal Car FM AM Radio Amplifier for Car Stereo,Media,Head Unit Receiver by stymart - **How much does it cost?** 46.12 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/559359595-12v-car-booster-25-db-amplify-signal-and-reduce-noise) ## Best For - stymart enthusiasts ## Why This Product - Trusted stymart brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Noise? Blocked.:** Premium copper wiring with thick aluminum foil shielding slashes interference. - • **All-Inclusive Kit:** Comes with clamps, connectors, and adhesive for hassle-free setup. - • **Plug & Play Simplicity:** Compact, lightweight design installs in minutes behind your car stereo. - • **Crystal-Clear Reception:** Amplifies FM/AM signals by up to 25 dB for uninterrupted drives. - • **Universal Compatibility:** Works seamlessly with 99% of vehicles—SUVs, trucks, and sedans alike. ## Overview The 12V Car Booster STYA9 enhances your car's FM and AM radio reception by amplifying signals up to 25 dB while reducing noise through a built-in metal shield and premium copper wiring. Designed for universal compatibility with 99% of vehicles, this compact amplifier installs easily behind your car stereo and operates on a standard 12V power supply. The package includes all necessary accessories for quick setup, making it an essential upgrade for clearer, crisper in-car audio experiences. ## Description Product Attributes：Color：BlackMaterial：pure copper wire,ABS resinPackaging：1pcs Car booster,2pcs cable clamp,1pcs quick connector,1pcs strong adhesiveProduct Advantage：Long service lifeReduce noiseEnhance signalProduct Parameters：Output impedance：75ΩWorking current：≥50maSupply voltage：12VSignal output interface：FM maleGain during amplification：22±3dbFrequency range：88-108MHZ 170-240MHZ 1452-1492MHZ Review: worked well - Did not fix my issues, different cause than weak signal. after install I did receive more FM stations. Review: Will not work as stated. - I have installed the replacement signal amplifier and have concluded that these will mildly amplify FM signals but AM signals are blocked only to hear static even with known strong local AM stations. Product clearly says these signal amps will amplify AM stations in addition to FM stations. ## Features - 【Reduce Noise & Amplify Signal】The FM signal amplifier can effectively Increase the receiving distance and enhance signal sensitivity. At the same time, it has a built-in shielding metal cover, which effectively blocks the interference of the outside world to the signal intensifier and reduces the noise. - 【Premium Quality】Pure copper and fine cable with thick aluminum foil shielding, stronger anti interference. On the fuse base, it is also equipped with high-quality waterproof inserts and waterproof covers - 【Easy To Use】It's small in size and light weight, saving cost and space. Very simple installation,Install the amplifier behind the car audio system, Connect the female socket of the amplifier to the male socket of the original car radio antenna; Connect the male connector of the amplifier to the radio hole of the car CD or DVD, Finally, connect the power cord to the original vehicle's ACC for power supply. - 【Universal Design】This car radio booster has a copper wire length of approximately 13 inches a voltage of 12V. Compatible with 99% of vehicle models on the market, 12V Power Supply Plug Connector Adapter for Vehicle Truck SUV Car Audio Radio Stereo Media Head Unit Receiver. - 【You Will Receive】1pcs Car signal booster,2pcs cable clamp,1pcs quick connector,1pcs strong adhesive. If you have any questions, please feel free to contact us. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CHB3JWR5 | | Best Sellers Rank | #992 in Radio Antennas | | Brand | stymart | | Brand Name | stymart | | Customer Reviews | 3.5 out of 5 stars 103 Reviews | | Manufacturer | stymart | | Material Type | pure copper wire, ABS resin | | Maximum Supply Voltage | 12 volts | | Minimum Supply Voltage | 12 volts | | Model | STYA9 | | Mounting Type | Freestanding | | Number of Channels | 1 | | Number of Items | 1 | | Number of Packs | 1 | | Package Type Name | Retail Package | | Part Number | STYA9 | | Specification Met | FCC | | Supply Current | 50 milliamps | | Unit Count | 1 Count | | Voltage | 12 volts | ## Product Details - **Manufacturer:** stymart - **Maximum Supply Voltage:** 12 Volts - **Minimum Supply Voltage:** 12 Volts - **Mounting Type:** Freestanding - **Voltage:** 12 Volts ## Images ![12V Car Booster 25 db - Amplify Signal & Reduce Noise AM FM Radio Universal Car FM AM Radio Amplifier for Car Stereo,Media,Head Unit Receiver - Image 1](https://m.media-amazon.com/images/I/61huRS9rWyL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ worked well *by D***. on November 3, 2024* Did not fix my issues, different cause than weak signal. after install I did receive more FM stations. ### ⭐ Will not work as stated. *by D***N on May 27, 2026* I have installed the replacement signal amplifier and have concluded that these will mildly amplify FM signals but AM signals are blocked only to hear static even with known strong local AM stations. Product clearly says these signal amps will amplify AM stations in addition to FM stations. ### ⭐⭐⭐⭐⭐ Worked great for Polaris Ranger radio *by L***N on April 19, 2024* Had issues with a Polaris Ranger radio not picking up any radio stations. I installed this and it works! Now I am able to pick up plenty of stations. ## Frequently Bought Together - 12V Car Booster 25 db - Amplify Signal & Reduce Noise AM FM Radio Universal Car FM AM Radio Amplifier for Car Stereo,Media,Head Unit Receiver - Eightwood Car Stereo FM Radio Antenna, Hidden Windshield Antenna, DIN Plug Adhesive Patch Antennae + DIN Female to ISO Adapter for Vehicle Car Truck Stereo Receiver Head Unit FM HD Radio - KSaAuto 12V Car Antenna Booster Stereo FM AM Radio Signal Amplifier Amp for Car Vehicle Truck SUV Boat Marine UTV RV Accessories FM Amplifier Audio Radio Stereo Media Head Unit Receiver --- ## 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.tn/products/559359595-12v-car-booster-25-db-amplify-signal-and-reduce-noise](https://www.desertcart.tn/products/559359595-12v-car-booster-25-db-amplify-signal-and-reduce-noise) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-08*