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🔊 JL Audio M400/4 4-Channel Marine Amplifier – 400W RMS (Brand New)

Product Description:

The JL Audio M400/4 is a compact, efficient, and powerful 4-channel Class D marine amplifier, designed to deliver clear, high-fidelity audio even in the toughest marine environments. With 100 watts RMS x 4 @ 2 ohms, this amplifier is perfect for powering your full-range marine speakers or creating a bridged 2-channel setup for high-power applications.

Built with JL’s NexD™ switching technology and marine-grade durability, the M400/4 is a go-to amp for serious marine audio enthusiasts.

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✅ Key Features:

• Total RMS Power: 400 Watts

  • 75W x 4 @ 4 ohms

  • 100W x 4 @ 2 ohms

  • 200W x 2 @ 4 ohms (bridged)

• Class D NexD™ Technology – Clean power, compact footprint, low heat

• Marine-Grade Protection – Corrosion-resistant, sealed against salt, moisture, and UV

• Variable Crossovers (50–500 Hz) – High-pass, low-pass, or band-pass filtering

• Differential-Balanced Inputs – Reduce noise and interference

• Remote Level Control Compatible (HD-RLC, sold separately)

• 2/4 Channel Input Mode Selection – Flexibility for system design

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📏 Dimensions:

• 8.26 in (L) × 7.09 in (W) × 2.05 in (H)

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📦 What’s Included:

• Brand New JL Audio M400/4 Amplifier (Factory Sealed)

• Mounting hardware

• Gasketed control panel cover

• Owner’s manual

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