Kenwood X503-1 eXcelon Mono Amplifier 1000W Class-D Car Audio Sub Amp

Class D Mono Power Amplifier

Product Description:

The Kenwood X503-1 is a compact mono amp that’s perfect for clean, simple bass setups. It’s part of the eXcelon lineup, so it’s built solid, runs efficient, and sounds tight without needing a ton of space or power.

This is a great match for a single sub or small dual setup where you want real bass but don’t need a huge amp taking up room.

What it does:

• Mono amplifier built for subwoofers
• Compact size for easy installs
• Clean, efficient power for daily systems

Specifications:

• Power Output (RMS):
  • 300W x 1 @ 4Ω
  • 500W x 1 @ 2Ω
• Max Power:
  • 1000 Watts
• Amplifier Class:
  • Class-D (efficient, low heat)
• Frequency Response:
  • 20Hz – 200Hz
• Signal-to-Noise Ratio:
  • ~85 dB
• Crossover:
  • Variable Low-Pass: 50Hz – 200Hz
  • 24 dB/octave slope
• Infrasonic Filter:
  • 25Hz @ 24 dB/octave
• Bass Boost:
  • 0 – +18dB @ 40Hz
• Inputs:
  • RCA low-level inputs
  • High-level (speaker level) inputs
  • Signal sensing turn-on
• Remote Bass Control:
  • Included wired knob

• Build / Features:

  • CTA-2006 compliant power ratings
  • Compact chassis for tight installs
  • One-side connection layout for clean wiring

• Dimensions:

  • Approx. 8.4" x 2.1" x 5.9"