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

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

X503-1

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"
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