--- product_id: 20785785 title: "Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier" brand: "skar audio" price: "€ 58.93" currency: EUR in_stock: true reviews_count: 13 category: "Skar Audio" url: https://www.desertcart.pt/products/20785785-skar-audio-rp-75-4ab-500-watt-full-range-class store_origin: PT region: Portugal --- # 500W MOSFET Power User Adjustable EQ & Filters 4-Way Protection Circuitry Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier **Brand:** skar audio **Price:** € 58.93 **Availability:** ✅ In Stock ## Summary > 🎵 Unleash Your Ride’s True Voice with Skar Power! ## Quick Answers - **What is this?** Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier by skar audio - **How much does it cost?** € 58.93 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/20785785-skar-audio-rp-75-4ab-500-watt-full-range-class) ## Best For - skar audio enthusiasts ## Why This Product - Trusted skar audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Confidence:** 8-gauge power/ground terminals for optimal current flow and easy installation. - • **Built to Last & Protect:** 4-way protection circuitry ensures your investment stays safe during every drive. - • **Precision Sound Sculpting:** Gain, LPF, HPF, and Bass EQ controls let you tailor your audio experience flawlessly. - • **Efficient Class A/B Design:** Maximizes clarity and power without draining your car’s electrical system. - • **Power That Commands Attention:** Delivers 125W x 4 channels at 2Ω for booming, room-filling sound. ## Overview The Skar Audio RP-75.4AB is a robust 4-channel Class A/B car amplifier delivering 500 watts total power with 125 watts RMS per channel at 2 ohms. Featuring a high-speed MOSFET power supply, advanced user controls including gain, crossover filters, and bass EQ, plus 4-way protection circuitry, it offers versatile, reliable performance for aftermarket car audio systems. Ideal for millennials seeking powerful, customizable sound without breaking the bank, this amp balances loud, punchy bass with efficient operation and durable build quality. ## Description The Skar Audio RP-75.4AB is a powerful, efficient, and highly reliable four channel class a/b full-range car amplifier. Capable of powering an entire aftermarket upgraded speaker system in a vehicle, it packs the power that will allow you to get loud and let your speakers come alive. Featuring a high speed MOSFET power supply, premium grade internal components, as well as 4-way protection circuitry, the amplifier will operate at the highest levels of performance for hours on end safely. With a depth of adjustable user controls such as the gain, lpf, hpf, crossover, and bass eq, this amplifier is extremely versatile and can be used in so many applications. These advanced user controls will allow you to dial your sound in exactly as you want for perfect clarity, whether running active components or speakers with in-line crossover networks. The class A/B circuitry design of this model allows it to amplify your audio signal with maximum clarity and sound excellence, all while being extremely efficient. Features 8 gauge power and ground input terminal connections for maximum current flow. Review: One of best entry level amps. - This amp is one of those “budget but actually hits” type of pieces. If you’re trying to get solid bass without emptying your wallet, it does the job. First off, the power is legit. Rated at 1200W RMS at 1 ohm, and it actually gets close to that in real use. It’s more than enough for a daily system and will push your subs hard if everything is wired right. The bass hits strong and punchy. Not competition clean, but definitely loud enough to feel it in your chest. Perfect for a daily driver setup. Now… let’s be real: The sound quality is average. It’s not trash, but it’s not some high-end SQ amp either. This is more about loud bass than perfect clarity. The amp also runs a little hot if you’re pushing it hard for long periods. Nothing crazy, but don’t treat it like it’s bulletproof. And like always with Skar, your electrical matters. If your voltage drops, this thing is gonna act up. It’s not forgiving. Cons: Sound quality is just okay Can run warm under heavy use Not built for abuse or competition setups Needs decent electrical to perform right Pros: Strong real-world power for the price Hits hard for daily bass Affordable and easy to find Simple setup, good for beginners Overall: If you want loud, affordable bass, this amp delivers. It’s not fancy, it’s not super clean, but it works and it hits. Just don’t expect miracles, and don’t wire it like a caveman. Treat it right, and it’ll treat you right. Review: Insane bass for the money, easily pumps a pair of 12s - I’m running the Skar Audio RP-1500.1D on two Pioneer TS-A3000LS4 12" subs (4Ω SVC, 400W nominal each). Wired in parallel for a 2Ω load, this amp is rated 930W RMS @ 2Ω, which is basically perfect for this setup, and it absolutely slams. What I like: Hits HARD, stays clean: Bass is tight and punchy, with way more output than I expected from a “budget” mono amp. Easy to dial in: The onboard controls (gain/LPF/subsonic) make it simple to get the subs blended without sounding boomy. Remote bass knob included: Super convenient to tame it for everyday driving, then crank it when you want to show off. Solid build / practical features: 4-gauge power/ground terminals and protection circuitry give peace of mind once everything’s installed properly. Fits nicely in a tight space! Worth noting: Like any real sub amp, it rewards a solid electrical setup (good power/ground, clean signal, proper tuning). Once it’s set correctly, it just goes. If you want strong, chest-thumping bass without spending crazy money, this thing delivers. My two TS-A3000LS4s kick HARD on this amp and it’s been a great match. ## Features - 500-Watt MOSFET 4-Channel Class A/B Power Car Amplifier - RMS Power at 2 Ohms: 125 Watts x 4 Channels - RMS Power at 4 Ohms: 75 Watts x 4 Channel - User Adjustable Controls: Gain, Variable LPF, HPF, Bass EQ Switch (0, +6, +12 dB) - 4 Way Protection Circuitry | Frequency Response: 20 Hz - 20,000 Hz - Signal to Noise Ratio: 105 dB ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00TKF53LC | | Best Sellers Rank | #1,088 in Electronics ( See Top 100 in Electronics ) #2 in Car Mono Amplifiers | | Brand Name | Skar Audio | | Customer Reviews | 4.6 4.6 out of 5 stars (7,945) | | Global Trade Identification Number | 00760999042718 | | Item Dimensions | 19.5 x 7 x 3 inches | | Item Type Name | Car Amplifier | | Item Weight | 7.4 Pounds | | Manufacturer | Skar Audio | | Material Type | Aluminum, steel, plastic | | Maximum Supply Voltage | 12 Volts (DC) | | Model | RP-75.4AB | | Mounting Type | Surface Mount | | Number of Channels | 4 | | Output Power | 500 Watts | | Specification Met | FCC | | UPC | 760999042718 | | Unit Count | 1.0 Count | | Warranty Description | 2 year limited warranty | ## Product Details - **Brand:** Skar Audio - **Item dimensions L x W x H:** 19.5 x 7 x 3 inches - **Manufacturer:** Skar Audio - **Maximum Supply Voltage:** 12 Volts (DC) - **Mounting Type:** Surface Mount ## Images ![Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier - Image 1](https://m.media-amazon.com/images/I/71Eugwm-lwL.jpg) ![Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier - Image 2](https://m.media-amazon.com/images/I/71rDf-c6PLL.jpg) ![Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier - Image 3](https://m.media-amazon.com/images/I/71ugHnCHtIL.jpg) ![Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier - Image 4](https://m.media-amazon.com/images/I/71TLHh7U33L.jpg) ![Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier - Image 5](https://m.media-amazon.com/images/I/61AXu9-mohL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can i run 8 speakees on this?** A: I currently run six on just 2 channels. Pay attention to the ohm load and properly set gains with a multimeter prior to playing. **Q: What size fuse this amplifier carry** A: For every 100 watts of RMS power, you will want a 10-15A fuse. So if you have a 1,000RMS watt amp, I would run 125A-150A fuse. **Q: Would this amp be appropriate for skar audio vxi65 360-watt 6.5" 2-way component speaker system?** A: This is a class A/B 4 channel amp. It works great in your application. **Q: Will this amp power 4 skar audio sk 6x9s good i got 2 skar audio vvx 15s on a skar rp 2000.1d and i don’t want the bass to drown out the voice** A: Yes, this amp is shouldn't be your concern. I'd be worried about those 6x9s handling this amp. I say that because though I really like Skar I've had no luck with their 6x9s. Good news is I haven't owned these sk 6x9s so you may be in luck. This amp is powering a pair of audiopipe CSL-6904 6x9 & a pair of Infinity KAPPA-93iX 6x9s in my car with a Skar EVL-15 pushed at 1 ohm with an audiopipe 1500w monoblock & fixing to strap it. The clarity of the 6x9s are wonderful at any level. ## Customer Reviews ### ⭐⭐⭐⭐⭐ One of best entry level amps. *by J***Z on March 18, 2026* This amp is one of those “budget but actually hits” type of pieces. If you’re trying to get solid bass without emptying your wallet, it does the job. First off, the power is legit. Rated at 1200W RMS at 1 ohm, and it actually gets close to that in real use. It’s more than enough for a daily system and will push your subs hard if everything is wired right. The bass hits strong and punchy. Not competition clean, but definitely loud enough to feel it in your chest. Perfect for a daily driver setup. Now… let’s be real: The sound quality is average. It’s not trash, but it’s not some high-end SQ amp either. This is more about loud bass than perfect clarity. The amp also runs a little hot if you’re pushing it hard for long periods. Nothing crazy, but don’t treat it like it’s bulletproof. And like always with Skar, your electrical matters. If your voltage drops, this thing is gonna act up. It’s not forgiving. Cons: Sound quality is just okay Can run warm under heavy use Not built for abuse or competition setups Needs decent electrical to perform right Pros: Strong real-world power for the price Hits hard for daily bass Affordable and easy to find Simple setup, good for beginners Overall: If you want loud, affordable bass, this amp delivers. It’s not fancy, it’s not super clean, but it works and it hits. Just don’t expect miracles, and don’t wire it like a caveman. Treat it right, and it’ll treat you right. ### ⭐⭐⭐⭐⭐ Insane bass for the money, easily pumps a pair of 12s *by J***N on December 30, 2025* I’m running the Skar Audio RP-1500.1D on two Pioneer TS-A3000LS4 12" subs (4Ω SVC, 400W nominal each). Wired in parallel for a 2Ω load, this amp is rated 930W RMS @ 2Ω, which is basically perfect for this setup, and it absolutely slams. What I like: Hits HARD, stays clean: Bass is tight and punchy, with way more output than I expected from a “budget” mono amp. Easy to dial in: The onboard controls (gain/LPF/subsonic) make it simple to get the subs blended without sounding boomy. Remote bass knob included: Super convenient to tame it for everyday driving, then crank it when you want to show off. Solid build / practical features: 4-gauge power/ground terminals and protection circuitry give peace of mind once everything’s installed properly. Fits nicely in a tight space! Worth noting: Like any real sub amp, it rewards a solid electrical setup (good power/ground, clean signal, proper tuning). Once it’s set correctly, it just goes. If you want strong, chest-thumping bass without spending crazy money, this thing delivers. My two TS-A3000LS4s kick HARD on this amp and it’s been a great match. ### ⭐⭐⭐⭐⭐ Quality amplifier *by S***M on March 25, 2026* Quality built amplifier for the price, straight forward installation ## Frequently Bought Together - Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier - Skar Audio RP-1200.1D Monoblock Class D MOSFET Amplifier with Remote Subwoofer Level Control, 1200W - Skar Audio 4 Gauge Amplifier Wiring Kit - Blue, Copper Clad Aluminum, SKAR4ANL-CCA --- ## 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/20785785-skar-audio-rp-75-4ab-500-watt-full-range-class](https://www.desertcart.pt/products/20785785-skar-audio-rp-75-4ab-500-watt-full-range-class) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-22*