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Looking to power your subwoofer with precision and power? The Alpine X-A90M X-Series Mono Subwoofer Amplifier delivers high-efficiency performance with crystal-clear low-frequency response, making it one of the best car amplifiers on the market today.
Engineered with Alpine's advanced Class-D technology, this mono amplifier pushes 900 watts RMS at 2 ohms, giving your subwoofers the power they deserve with detailed control and minimal distortion. Whether you're upgrading your factory system or building a custom setup, the X-A90M ensures that your bass hits harder, cleaner, and more accurately.
RMS Power Output: 600W @ 4 ohms, 900W @ 2 ohms
Class-D Amplifier Design: Delivers high-efficiency output with low heat
Frequency Response: 8Hz – 400Hz
Signal-to-Noise Ratio: >108dB
Selectable Bass EQ & Low-Pass Filter
Top-Mounted Controls for easy tuning and adjustment
Remote Bass Knob Ready (sold separately)
Compact Design fits in tight spaces while offering serious power
Stackable Installation with other Alpine X-Series amps
Whether you're installing this amplifier in a car, truck, or SUV, the X-A90M brings out the best in your subwoofers. With clean, controlled bass reproduction, it integrates seamlessly with other X-Series components or existing aftermarket gear.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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