Mobile Electronics› Vehicle Audio and Components

Focal

FPX 1.1000 Mono Class D Amplifier

$824.49

SKU: FPX1.100

Special Order
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Focal FPX 1.1000 is a mono Class D amplifier designed for powering subwoofers. It delivers 420 Watts RMS at 4 Ohms and is stable at 2 and 1 Ohm loads. The amplifier features settings for low-frequency sensitivity, including a subsonic filter and bass boost, as well as a remote control and output lines. Its compact design and optimized heat dissipation make it suitable for audiophile bass systems or powerful subwoofer setups.
Show original supplier description
The Focal FPX 1.1000 is a compact Class D mono amplifier engineered to drive subwoofers with substantial power and efficiency. It is specifically designed for powering subwoofers and offers robust performance, delivering 420W RMS at 4 Ohms, 700W RMS at 2 Ohms, and 1000W RMS at 1 Ohm. This makes it highly versatile for various subwoofer setups. Built for optimal heat dissipation, the FPX 1.1000 features a thick aluminum chassis and careful component layout to manage heat effectively, ensuring consistent performance even under demanding use. Its Class D design contributes to its high efficiency and compact size. The amplifier is equipped with a comprehensive set of controls for fine-tuning low frequencies. This includes an active crossover, a subsonic filter (10Hz - 50Hz), a bass boost (0/12dB), and a phase adjustment (0 - 180°). Additionally, it features output lines for daisy-chaining to a second amplifier and comes with a remote control for convenient bass level adjustments from the driver's seat. The FPX 1.1000 includes multiple protection circuits to safeguard the amplifier and connected components. These protections cover short circuits, low impedance, reverse polarity, DC offset, and overheating. The amplifier's dimensions are approximately 11 11/16" x 5 13/64" x 2 3/32" (29.7 x 13.2 x 5.3 cm), and it weighs 5.62 lbs (2.55 kg).

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFocal
Part NumberFPX1.100
CategoryMobile Electronics

Videos

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy