--- product_id: 33765655 title: "SK-M4004D" brand: "skar audio" price: "€ 59.99" currency: EUR in_stock: false category: "Skar Audio" url: https://www.desertcart.be/products/33765655-sk-m4004d store_origin: BE region: Belgium --- # 400W max power output Ultra compact 7.9x4.6x1.7 in Adjustable HPF/LPF/Full-Range crossover SK-M4004D **Brand:** skar audio **Price:** € 59.99 **Availability:** ❌ Out of Stock ## Summary > 🎡 Small Amp, Big Impact: Power Your Drive with Precision and Style ## Quick Answers - **What is this?** SK-M4004D by skar audio - **How much does it cost?** € 59.99 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/33765655-sk-m4004d) ## 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 - β€’ **Space-Savvy Design:** Ultra-compact footprint fits seamlessly into tight car spaces without compromising power or performance. - β€’ **Power Meets Precision:** Delivers 140W x 4 channels RMS at 2Ξ© for crystal-clear, distortion-free sound that commands attention. - β€’ **Tailored Sound Control:** Customizable crossover settings (HPF, LPF, Full-Range) let you fine-tune your audio experience like a pro. - β€’ **Built to Last & Protect:** 4-way protection circuitry guards against thermal, voltage, speaker, and DC faults for worry-free driving. - β€’ **Plug & Play Versatility:** High-level input connections and adapter harness simplify installationβ€”no RCA? No problem. ## Overview The Skar Audio SK-M4004D is a compact yet powerful Class D 4-channel car amplifier delivering up to 400W total output. Engineered with a high-speed MOSFET power supply and advanced crossover controls, it offers versatile sound customization and reliable performance in tight spaces. Featuring high-level inputs and robust 4-way protection circuitry, this amp ensures easy installation and long-lasting durability for audiophiles who demand premium sound on the go. ## Description The Skar Audio SK-M4004D is an ultra compact, "mini", Class D full-range, four channel car speaker amplifier. The SK-M4004D was engineered to be compact, but provide the power and reliability expected out of larger amplifiers. Featuring a high speed MOSFET power supply, and an efficient Class D design, this amplifier is powerful, reliable, and extremely versatile. The SK-M4004D makes for a great amplifier in applications where space is limited but power cannot be sacrificed. In addition, this four channel amplifier features high level input connections for those installations that lack an RCA connection. In addition to the high level inputs, this amplifier also utilizes an adapter harness for the speaker outputs allowing for an easier and cleaner installation. Further adding to the feature rich list of this amplifier are its high pass / full-range / and low pass user controls, as well as having 4-Way Protection Circuitry Built-in (Thermal, Voltage, Speaker, DC). Utilizes 8 Gauge Power and Ground Input Terminals. Amplifier's dimensions: 7.9in x 4.6in x 1.7in (L x W x H). Frequency Response: 10Hz - 40kHz. ## Features - Ultra Compact MOSFET Full-Range 4-Channel Class D Car Amplifier - RMS Power @ 2 Ohms: 140 Watts x 4 Channels (14.4v) - RMS Power @ 4 Ohms: 100 Watts x 4 Channels (14.4v) - Crossover Controls: HPF / Full-Range / LPF | Frequency Response: 10Hz - 40kHz - Hi-Level Input Connections: Yes | 8 Gauge Power and Ground Input Terminals ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01EQX5ORK | | Best Sellers Rank | #15,186 in Electronics ( See Top 100 in Electronics ) #21 in Car Mono Amplifiers | | Brand Name | Skar Audio | | Customer Reviews | 4.2 out of 5 stars 475 Reviews | | Global Trade Identification Number | 00739189979165 | | Included Components | Skar Audio SK-M4004D Compact Full-Range Class D 4 Channel Amplifier | | Item Dimensions | 7.9 x 4.64 x 1.65 inches | | Item Type Name | Car Amplifier | | Item Weight | 3.7 pounds | | Item dimensions L x W x H | 7.9 x 4.64 x 1.65 inches | | Manufacturer | Skar Audio | | Material Type | Mosfet | | Maximum Output Power | 400 watts | | Maximum Supply Voltage | 14.4 volts | | Minimum Supply Voltage | 14 volts_of_direct_current | | Model | SK-M4004D | | Mounting Type | Surface Mount | | Number of Channels | 4 | | Number of Items | 1 | | Output Power | 400 watts | | Part Number | SK-M4004D | | UPC | 739189979165 | | Unit Count | 1 Count | | Voltage | 14.4 volts | | Warranty Description | 2 year limited warranty | ## Product Details - **Item dimensions L x W x H:** 7.9 x 4.64 x 1.65 inches - **Manufacturer:** Skar Audio - **Maximum Supply Voltage:** 14.4 volts - **Minimum Supply Voltage:** 14 volts_of_direct_current - **Voltage:** 14.4 volts ## Images ![SK-M4004D - Image 1](https://m.media-amazon.com/images/I/61npvuKc0ML.jpg) ![SK-M4004D - Image 2](https://m.media-amazon.com/images/I/5179+jkRbxL.jpg) ![SK-M4004D - Image 3](https://m.media-amazon.com/images/I/61VBhOFwuNL.jpg) ![SK-M4004D - Image 4](https://m.media-amazon.com/images/I/61Drb+xgS5L.jpg) ![SK-M4004D - Image 5](https://m.media-amazon.com/images/I/81EOuSV-14L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can u run 8 speakers on this?** A: Yes you can. Two speakers per channel in parallel but make sure that the impedence of each speaker is 4 ohms or more because the minimum impedence that this amp can work in a stable condition is 2 ohms. Also keep in mind that each speaker will get around 100-115 watts. **Q: Can I use this amp to run my subs and tweets since it a four channel amp** A: I wouldn't recommend it **Q: I have ix 8 d2 sub, what amp should I get for it?** A: You can run a Skar RP 350.1 **Q: Can i hook up tweeters, two front 90w rms and two 45w rms speakers to this?** A: I have tweeters on mine with 2 6.5s running in HPF. ## Frequently Bought Together - Skar Audio SK-M4004D Compact Full-Range Class D 4 Channel Car Amplifier, 400W - Skar Audio 4 Gauge OFC Complete Amplifier Installation Wiring Kit, SKAR4ANL-OFC - Skar Audio RP-1200.1D Monoblock Class D MOSFET Amplifier with Remote Subwoofer Level Control, 1200W --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/33765655-sk-m4004d](https://www.desertcart.be/products/33765655-sk-m4004d) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-11-10*