--- product_id: 75201818 title: "HIFONICS GA-4000.1D Goliath Series Monoblock Super D-Class Amp (4,000 W)" brand: "hifonics" price: "551369CFA" currency: XOF in_stock: false reviews_count: 6 url: https://www.desertcart.sn/products/75201818-hifonics-ga-4000-1d-goliath-series-monoblock-super-d-class store_origin: SN region: Senegal --- # 4000W peak power Variable internal crossover 0°-180° phase adjustment HIFONICS GA-4000.1D Goliath Series Monoblock Super D-Class Amp (4,000 W) **Brand:** hifonics **Price:** 551369CFA **Availability:** ❌ Out of Stock ## Summary > ⚡ Power that moves your soul, stealth that hides in plain sight. ## Quick Answers - **What is this?** HIFONICS GA-4000.1D Goliath Series Monoblock Super D-Class Amp (4,000 W) by hifonics - **How much does it cost?** 551369CFA with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/75201818-hifonics-ga-4000-1d-goliath-series-monoblock-super-d-class) ## Best For - hifonics enthusiasts ## Why This Product - Trusted hifonics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Cool & Quiet Operation:** Low-noise preamp and efficient Super D-Class tech keep your amp running cool without sacrificing power. - • **Rock-Solid Reliability:** 1-ohm stable MOSFET design ensures consistent, distortion-free output even under heavy load. - • **Precision Audio Control:** Fine-tune your sound with 0°-180° phase shift and variable crossover for audiophile-grade clarity. - • **Stealthy Industrial Design:** F-22 inspired black-on-black finish blends seamlessly while making a bold statement under the hood. - • **Unmatched Powerhouse Performance:** Deliver thunderous 4000W RMS to dominate your car audio scene. ## Overview The HIFONICS GA-4000.1D Goliath Series is a 4000-watt monoblock Super D-Class amplifier engineered for car audio enthusiasts seeking massive power and precise sound customization. Featuring 1-ohm stability, a variable internal crossover, and 0°-180° phase adjustment, it delivers distortion-free, audiophile-quality bass with a stealthy, tactical design inspired by the F-22 fighter jet. Its low-noise preamp and efficient cooling ensure reliable performance without overheating, making it a top choice for serious sound system upgrades. ## Description The HIFONICS goliath 4, 000-watt monoblock Super D class amp delivers mammoth strength and power to your car audio system. It is ergonomically engineered with an industrial design borrowed from an f-22 Stealth tactical Fighter the low-noise preamp minimizes distortion while the onboard equalization means you can customize the audio output. The black-on-black paint scheme and tapered end panels will help car audio amplifier disappear into your installation-butt you'll know it's there because of the power you'll feel in your soul. Review: Sundown audio x-12 on 2 hifonics goliath 4k. - Incredible amp! Called maxxsonics rated at 2800 rms. In my experience it may be just slightly under that but it's between 22-2800 rms Running 2 of these at 2.3 ohms on 2 sundown audio x-12's If you want to see more great details you can go check out my video on you tube reviewing this, it comes with a bass knob and a great aesthetic. Very impressive on not getting hot. Review: Hifonics has been in the game a long time - Outstanding performance. Head to their website for more detailed information. This amp Variable Voltage 9V - 0.2V Signal to Noise >95dB Frequency Response10Hz-50KHz Crossover Variable Electronic Variable Low Pass Crossover 12dB per Octave 35Hz - 250Hz Bass Boost 0 - 10dB Subsonic Filter 15Hz - 35Hz Phase Shift 0-180° , illuminated nameplate and I've never had a hifonics amp overheat. ## Features - 1ohm stable - Ultra-fi MOSFET amp is designed for music reproduction - 0Deg -180Deg Phase adjustment - Nickel-plated RCA jacks resist corrosion - Internal Variable Crossover Network allows for audiophile control of EQ circuits ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B079CDC2D9 | | Brand | Hifonics | | Customer Reviews | 4.1 4.1 out of 5 stars (41) | | Date First Available | January 27, 2018 | | Item Weight | 17.6 pounds | | Item model number | GA-4000.1D | | Manufacturer | HIFONICS | | Manufacturer Part Number | GA-4000.1D | | Model | GA-4000.1D | | Product Dimensions | 25 x 10.3 x 3.8 inches | ## Images ![HIFONICS GA-4000.1D Goliath Series Monoblock Super D-Class Amp (4,000 W) - Image 1](https://m.media-amazon.com/images/I/51f+UHBXipL.jpg) ![HIFONICS GA-4000.1D Goliath Series Monoblock Super D-Class Amp (4,000 W) - Image 2](https://m.media-amazon.com/images/I/61xGOPQfb4L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Sundown audio x-12 on 2 hifonics goliath 4k. *by B***E on December 1, 2019* Incredible amp! Called maxxsonics rated at 2800 rms. In my experience it may be just slightly under that but it's between 22-2800 rms Running 2 of these at 2.3 ohms on 2 sundown audio x-12's If you want to see more great details you can go check out my video on you tube reviewing this, it comes with a bass knob and a great aesthetic. Very impressive on not getting hot. ### ⭐⭐⭐⭐⭐ Hifonics has been in the game a long time *by A***W on September 17, 2019* Outstanding performance. Head to their website for more detailed information. This amp Variable Voltage 9V - 0.2V Signal to Noise >95dB Frequency Response10Hz-50KHz Crossover Variable Electronic Variable Low Pass Crossover 12dB per Octave 35Hz - 250Hz Bass Boost 0 - 10dB Subsonic Filter 15Hz - 35Hz Phase Shift 0-180° , illuminated nameplate and I've never had a hifonics amp overheat. ### ⭐⭐⭐⭐ Amp *by A***W on November 13, 2020* I wanna. No when I'm getting my amp back --- ## 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.sn/products/75201818-hifonics-ga-4000-1d-goliath-series-monoblock-super-d-class](https://www.desertcart.sn/products/75201818-hifonics-ga-4000-1d-goliath-series-monoblock-super-d-class) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-05-08*