Price Match Guarantee
Price Match Guarantee
AVLeaderz Cares! We are dedicated to offering the best value to our customers, always. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a qualifying online retailer or at a local retail competitor's store. Here's how:

  • If you find a qualifying lower price online, call 1-866-859-0896 and provide a customer service agent the web site with the lower price.
  • On qualifying products, AVLeaderz will verify the current price to complete the price match.
Exclusions may apply including, but not limited to, items sold by Marketplace vendors, competitors' service prices, special daily or hourly sales, and items for sale the Sunday before Thanksgiving Day through the Monday after Thanksgiving. More Details

Kenwood X503-1, eXcelon Series Mono Subwoofer Amplifier, 1000W Peak

SKU: X503-1 UPC: 019048240187
In stock
Regular price $249.00
Regular price Sale $350.00 Sale price $249.00

Output Coil with Magnetic Shield

Prevents magnetic flux from radiating from the subwoofer's coil, resulting in reduced noise and enhanced sound quality.

High Quality Capacitors

PMLCAP's (Polymer Multi-Layer Capacitors) are utilized in the LC filter circuits to decrease distortion, ensuring clear detail for a truer to life sound.

Infrasonic Filter (ISF)

When the Infrasonic Filter Switch is turned on, the amplifier cuts off the low frequencies below 25Hz, which makes the amplifier’s power supply and output devices more efficient, providing clear bass output.

One-side Connection

All terminals and connections are on one side foreasier installation and a cleaner look.

Speaker Level Input Harness

Speaker Level Input Harness is included to connect to speaker wires from factory installed receivers.

Wired Level Control Included

The wired remote level control allows you to easily adjust the subwoofer volume.

WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to