--- product_id: 633079546 title: "Colossus PRO HAC-2000.4D 2000 Watt Four Channel Car Audio Amplifier, Real RMS Power, Class D, 1 Ohm Stable, High Efficiency, Ultra-Low EMI" brand: "hifonics" price: "S$471" currency: SGD in_stock: true reviews_count: 2 category: "Hifonics" url: https://www.desertcart.sg/products/633079546-colossus-pro-hac-2000-4d-2000-watt-four-channel-car store_origin: SG region: Singapore --- # 2000W RMS Power Output Ultra-Low EMI & High Efficiency 4-Channel Versatile Audio Control Colossus PRO HAC-2000.4D 2000 Watt Four Channel Car Audio Amplifier, Real RMS Power, Class D, 1 Ohm Stable, High Efficiency, Ultra-Low EMI **Brand:** hifonics **Price:** S$471 **Availability:** ✅ In Stock ## Summary > ⚡ Power your ride, own the soundscape. ## Quick Answers - **What is this?** Colossus PRO HAC-2000.4D 2000 Watt Four Channel Car Audio Amplifier, Real RMS Power, Class D, 1 Ohm Stable, High Efficiency, Ultra-Low EMI by hifonics - **How much does it cost?** S$471 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/633079546-colossus-pro-hac-2000-4d-2000-watt-four-channel-car) ## 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 - • **Next-Level Efficiency:** Class D half-bridge design maximizes power output while minimizing energy waste and heat. - • **Safe & Smart Operation:** Triple protection circuits and delayed turn-on keep your system secure and hassle-free. - • **Built to Endure the Road:** Ultra-Fi MOSFETs and multi-layer PCBs ensure durability and consistent performance under any condition. - • **Precision Audio Customization:** Fine-tune your soundscape with adjustable crossovers and a 0-12dB bass boost for that perfect vibe. - • **Unleash 2000 Watts of Pure Power:** Dominate your drive with crystal-clear, distortion-free sound at 4 x 500W @ 1 ohm. ## Overview The Hifonics Colossus PRO HAC-2000.4D is a 2000 watt, 4-channel Class D car amplifier engineered for audiophiles seeking high-efficiency, ultra-low EMI performance. Stable at 1 ohm, it delivers clean, distortion-free power with advanced sound controls including variable crossovers and bass boost. Built with premium components and triple protection circuits, it offers reliable, customizable audio upgrades for any car audio setup. ## Description Buy Hifonics Colossus PRO HAC-2000.4D 2000 Watt Four Channel Car Audio Amplifier, Real RMS Power, Class D, 1 Ohm Stable, High Efficiency, Ultra-Low EMI: Multichannel Amplifiers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: High quality audio at its finest - Excellent addition here power multiple speakers or components, allowing for a more immersive and dynamic sound experience. Versatility! It can be configured to power a combination of front and rear speakers or front speakers and a subwoofer. This flexibility allows for customization based on personal preferences and the specific requirements of the audio setup. In terms of performance, the amp delivers clean and powerful sound. It amplifies the audio signal without introducing distortion or unwanted noise, resulting in a crisp and clear sound output. This is especially important for audiophiles who value high-quality sound reproduction. Controls are adjustable gain controls, high and low-pass filters, and bass boost options. These features allow for fine-tuning the sound to achieve the desired audio balance and performance. Installation of the amp is relatively straightforward, especially for those with basic knowledge of car audio systems. It typically requires connecting power and ground wires, speaker wires, and the input signal source. However, if you are not familiar with car audio installations, it is recommended to seek professional assistance to ensure proper installation and optimal performance. Review: Ample Power! - Any audiophile looking into maximizing their sound experience knows that insufficiently powered speakers will not produce the same as properly powered systems. I had recently installed more powerful speakers into my daily driver, but the sound quality just was not there. As soon as I ran the wires and hooked up this amplifier, it was a completely different experience. It was like waking up a beast, the sound quality and amount of control from this amplifier was impressive! This is a must have for anyone looking to make an amazing audio system, this amplifier is the ticket. It has worked flawlessly for my needs, and made my rides to a from work so much better! ## Features - POWERFUL RMS PERFORMANCE: Delivers 2000 watts of power with 4 x 500W @ 1 ohm, 4 x 300W @ 2 ohms, 4 x 175W @ 4 ohms, and 2 x 750W bridged @ 4 ohms, perfect for upgrading your car audio system. - EFFICIENT DESIGN: Super D Class amplifier with half-bridge design and fewer components for higher power output and improved efficiency, truly living up to the "POWER FROM THE GODS" legacy. - VERSATILE SOUND CONTROL: Features variable electronic crossovers (15Hz-6KHz high pass, 40Hz-2KHz low pass), built-in bass control, and 0-12dB bass boost for precise audio customization. - SUPERIOR BUILD QUALITY: Utilizes Ultra-Fi MOSFETS, multi-layer PCBs, and clean board construction for optimal performance and durability in demanding car audio environments. - PROTECTION & CONVENIENCE: Includes triple protection circuits and a delayed turn-on function. Compatible with a wide range of drivers, especially pro-style speakers. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CWVTMJVS | | Best Sellers Rank | #130,927 in Electronics ( See Top 100 in Electronics ) #338 in Car Multichannel Amplifiers | | Brand | Hifonics | | Brand Name | Hifonics | | Customer Reviews | 5.0 out of 5 stars 2 Reviews | | Included Components | Amp component | | Item Dimensions | 16.88 x 11.5 x 4.5 inches | | Item Weight | 10 Pounds | | Item dimensions L x W x H | 16.88 x 11.5 x 4.5 inches | | Manufacturer | Maxxsonics | | Material Type | Pcb, Aluminum, Plastic | | Minimum Supply Voltage | 10 Volts (DC) | | Model | HAC-2000.4D | | Mounting Type | Surface Mount | | Number of Channels | 4 | | Output Power | 2000 Watts | | Part Number | HAC-2000.4D | | Specification Met | FCC | | UPC | 806576235637 | ## Product Details - **Brand:** Hifonics - **Item dimensions L x W x H:** 16.88 x 11.5 x 4.5 inches - **Manufacturer:** Maxxsonics - **Minimum Supply Voltage:** 10 Volts (DC) - **Mounting Type:** Surface Mount ## Images ![Colossus PRO HAC-2000.4D 2000 Watt Four Channel Car Audio Amplifier, Real RMS Power, Class D, 1 Ohm Stable, High Efficiency, Ultra-Low EMI - Image 1](https://m.media-amazon.com/images/I/61GPgV3mBHL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ High quality audio at its finest *by G***R on April 21, 2024* Excellent addition here power multiple speakers or components, allowing for a more immersive and dynamic sound experience. Versatility! It can be configured to power a combination of front and rear speakers or front speakers and a subwoofer. This flexibility allows for customization based on personal preferences and the specific requirements of the audio setup. In terms of performance, the amp delivers clean and powerful sound. It amplifies the audio signal without introducing distortion or unwanted noise, resulting in a crisp and clear sound output. This is especially important for audiophiles who value high-quality sound reproduction. Controls are adjustable gain controls, high and low-pass filters, and bass boost options. These features allow for fine-tuning the sound to achieve the desired audio balance and performance. Installation of the amp is relatively straightforward, especially for those with basic knowledge of car audio systems. It typically requires connecting power and ground wires, speaker wires, and the input signal source. However, if you are not familiar with car audio installations, it is recommended to seek professional assistance to ensure proper installation and optimal performance. ### ⭐⭐⭐⭐⭐ Ample Power! *by L***A on June 22, 2024* Any audiophile looking into maximizing their sound experience knows that insufficiently powered speakers will not produce the same as properly powered systems. I had recently installed more powerful speakers into my daily driver, but the sound quality just was not there. As soon as I ran the wires and hooked up this amplifier, it was a completely different experience. It was like waking up a beast, the sound quality and amount of control from this amplifier was impressive! This is a must have for anyone looking to make an amazing audio system, this amplifier is the ticket. It has worked flawlessly for my needs, and made my rides to a from work so much better! --- ## 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.sg/products/633079546-colossus-pro-hac-2000-4d-2000-watt-four-channel-car](https://www.desertcart.sg/products/633079546-colossus-pro-hac-2000-4d-2000-watt-four-channel-car) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-07-14*