Rockville RXM-S20 front view highlighting its compact design for tight boat spaces.
Rockville RXM-S20 rear ports shown for flexible wiring in ATV setups.
Rockville RXM-S20 install kit with mounting hardware for quick setup.
Rockville RXM-S20 conformal coated PCB ensures moisture resistance.
Rockville RXM-S20 PA microphone with talkover for on water announcements.
Rockville RXM-S20 compact design fits tight spaces on boats.
Rockville RXM-S20 versatile for marine or off road use on boats or trails.

Rockville

Rockville RXM-S20 1600W Peak 4-Channel Marine/ATV Amplifier – Water-Resistant & Compact

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$159.10

In stock. Ships free, usually within 1–4 business days.

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Check the listed compatible models and specs before you order. Questions? Email us.

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

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Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

Experience reliable audio on boats or rugged trails with the Rockville RXM-S20. This compact 4-channel amplifier delivers 1600W peak power and 400W RMS across four outputs, providing clear, punchy sound for marine or ATV speakers even at higher volumes. The Class A/B design balances performance and efficiency to help minimize battery drain while delivering capable onboard audio.

Built for moisture and rugged use

The RXM-S20 uses a conformal coated PCB and stainless steel mounting screws, delivering durability in moisture, salt spray, and harsh outdoor conditions. It stands up to the demands of boats, ATVs, and UTVs where reliability matters.

  • Conformal coated PCB resists moisture and corrosion
  • Stainless steel mounting screws for durable installation

Compact, easy to install

Micro-sized design fits tight spaces on dashboards, consoles, or inside compartments. The package includes mounting hardware and clear, step-by-step instructions for quick setup on your vessel or vehicle.

PA microphone and talkover

The included PA microphone features talkover functionality that mutes playback during announcements and resumes playback afterward, making group communications smoother on water or on the trail.

Versatile compatibility and tone control

Engineered for flexibility, the RXM-S20 supports both 4-ohm and 2-ohm speaker configurations and offers bass tuning at 45 Hz. You can adjust bass by +6dB or +12dB to suit your environment.

  • Supports 4-ohm and 2-ohm speaker setups
  • Selectable bass boost at 45 Hz with +6dB or +12dB
  • High-speed, studio-grade transistors ensure reliable performance with a wide range of speakers

Whether you are navigating choppy seas or blazing across rugged trails, the RXM-S20 aims to offer dependable amplification with a compact footprint. Explore how this amplifier could fit your setup and consider your power source and speaker choices when planning an install.

FAQ

Q: What speaker configurations does the RXM-S20 support?

A: It supports 4-ohm and 2-ohm setups, with selectable bass boost at 45 Hz (+6dB or +12dB) for flexible tuning.

Q: Is the RXM-S20 suitable for boats and ATVs, and what extras are included?

A: Yes, it’s designed for marine and off-road use; it includes a PA microphone with talkover and mounting hardware.

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