X 4-Channel Ultra Compact Class D Amplifier 4 x 120 Watts Rms @ 4-ohm
X 4-Channel Ultra Compact Class D Amplifier 4 x 120 Watts Rms @ 4-ohm is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
X 4-Channel Ultra Compact Class D Amplifier 4 x 120 Watts Rms @ 4-ohm
X 4-Channel Ultra Compact Class D Amplifier 4 x 120 Watts Rms @ 4-ohm is backordered and will ship as soon as it is back in stock.
Description
Description
Ultra Compact Class D 4 Channel Amplifier
DS18’s X4XL is audio excellence! This powerhouse delivers exceptional performance in an incredibly compact package, perfect for every car audio enthusiast.
With a staggering 1800W peak power and 4 x 120W RMS at 4 ohm, 4 x 180W RMS at 2 ohm, and 2 x 300W RMS at 4 ohm Bridge— the X4XL delivers relentless sound that’s anything but subtle. Its sleek, ultra-compact design lets it slip into the tightest spaces without sacrificing muscle. Plus, with versatile crossover settings (LPF/FLAT/HPF) at a comprehensive range (40Hz-500Hz) and 2 ch/4 ch input selector, you’re in control of your sound like never before.
The X4XL stands out for its unparalleled combination of compact size and robust power. Advanced surface mount technology and a stable four-layer PCB design ensure exceptional durability and performance. Rugged and reliable, this amplifier is fortified with thermal, over-load, and short circuit protection—because your system deserves nothing less.
Grab the X4XL now and give your system the power it deserves!
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: X4XL
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Read FOX’s application notes for part 987-24-001 (rear shock)
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