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Skar Audio is offering a limited quantity of certified used SK-M4004D Class D 4-Channel amplifiers. These are part of the mini amplifier series product lineup from Skar Audio, and the certified used offering of this model is a great way to take advantage of huge savings. All certified used amplifiers are expected to have minor cosmetic flaws or minor signs of use, but are fully tested to be perfectly working and come with a 1 year limited warranty from Skar Audio. These are repackaged and shipped safely upon purchase.
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 Used (Will Show Signs of Use/Cosmetic Blemishes)
Channel 1/2 Crossover
Channel 3/4 Crossover
Skar Audio was founded with the principle of designing and manufacturing the highest quality car audio products backed by world class customer support. We believe that our customers define who we are as a company, which is why we believe so strongly in putting them first.
To fulfill that promise, Skar Audio operates primarily from its state of the art, 100,000 sq. ft. world headquarters, located in St. Petersburg, Florida. However, we also have additional distribution facilities spread across the country to ensure we continue to elevate ourselves as a brand that delivers a truly world class shopping experience.
Our team is composed of incredibly hard working and dedicated individuals who are audiophiles themselves. Our team along with our incredible supporters (you!) are the reason Skar Audio has been ranked amongst Inc. 5000’s fastest growing companies in America for 2019, as well as NewsWeek’s best online shops of 2020.
Who does Skar Audio use to ship my purchase?
Due to varying rates and shipping times, Skar Audio uses a variety of shipping carriers including USPS, UPS, and FedEx. While most normalizedItems will be sent via UPS, it is not uncommon to receive normalizedItems via another carrier when it makes sense as the best option to care for our customers purchases.
Do I qualify for free shipping?
Skar Audio is happy to offer retail customers who order directly from Skar Audio's official website free shipping to the continental United States for orders over $50. Currently, customers residing in Hawaii and Alaska do not qualify for free shipping. International shipments will be subject to shipping costs that are calculated at the time of purchase, and will be subject to any fees or duties charged by the carrier additionally. Please be aware that these duties and fees are not calculated into the shipping cost at the time of checkout.
Does Skar Audio ship internationally?
Due to factors beyond our control, we have suspended all international shipping on orders made directly via Skar Audio's official website effective 9/20/2020. Our internal team is working diligently to restore this service and create a better experience for our customers who do not reside domestically within the United States. We do not currently have an estimated time that this service will be available to our friends outside of the United States, however, we will be happy to announce once we are able to re-establish this service for our customers outside the United States.
Additional shipping options may be available via other authorized retailers like Amazon or if purchasing from their platform. Please contact these retailers directly to confirm their policies and options that they might have available to you.
How long will it take to get my order?
Skar Audio has strategically expanded operations within the US, and can reach most of the United States in 3 business days. We make an effort to ship out orders the same day if the orders are made during business hours. Any orders placed over the weekend or after business hours will ship out the following business day.
Does Skar Audio offer expedited shipping?
Skar Audio does offer expedited shipping options at an additional cost. The options available vary based upon area and can be viewed during the checkout process.
If I purchase an item on backorder, when should I expect to receive it?
Skar Audio is constantly forecasting to keep product from going out of stock; however, unexpected trends in sales may lead to a shortage of a product. When this happens, Skar Audio will always post the expected return date of the product right on the product's page. Once the item arrives back in stock, we ship all backorders immediately.
If you’re having second thoughts or a sudden change of heart on your recent purchase, don’t worry, we've got you covered. You have 30 days from the original purchase date to return any item(s) from your order for a full refund.
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