Skip to product information
1 of 17

Rockville

UT65B 2-Pack + NA2-500.5 Bundle

UT65B 2-Pack + NA2-500.5 Bundle

6.5" IPX6 Rollbar Speakers, 5-Channel Marine Amp, Mounts

Free Shipping

Regular price $423.90
Sale price $423.90 Regular price $0.00
Features
    • 5-channel Class D amp with sub channel
    • IPX6 tower speakers for open cabins
    • 360° swivel brackets for precise aim
    • Conformal-coated boards resist corrosion
    • Includes mounting hardware
    • (2) UT65B 6.5" Rollbar Speakers
    • MB Quart NA2-500.5 5-Channel Amplifier
    • Swivel Mounting Brackets (1.5"–2")
    • Installation Hardware

SKU: SKU: (2) UT65B+NA2-500.5

View full details

Product Description

A refined, expandable foundation for powersports audio. Drive a front and rear stage with dedicated sub power from a compact, marine-certified 5‑channel amplifier feeding IPX6 6.5" tower speakers. The result is rich, controlled sound that complements aggressive styling and stands up to water, UV, and dust.

This Bundle Includes

UT65B

UT65B

The UT65B delivers 400W peak and robust sound in a water-resistant, shockproof design. With 360° swivel aluminum brackets, rustproof hardware, and UV protection, these speakers are engineered for marine, UTV, and ATV use—offering premium audio and rugged durability for any outdoor adventure.
Learn More
NA2-500.5

NA2-500.5

Delivering 500W of clean, full-range audio, the MB Quart NA2-500.5 powers four channels and a dedicated subwoofer. Marine-grade, low-noise, and easy to install, it’s engineered for ATV/UTV/RZR setups, offering durable aluminum heat sinks, quick-release connectors, and a wired bass remote for precise control in rugged, high-performance environments.

Features

    • System Scalability

      Dedicated subwoofer channel supports future bass upgrades while maintaining a clean front/rear stage.

    • Clean, Efficient Power

      Class D topology supplies 4 x 80W + 1 x 200W @ 2Ω for confident volume with minimal heat.

    • Outdoor Acoustic Tuning

      Two-way speakers with polypropylene cones and PEI tweeters project clear, lively sound in open air.

    • Marine-Grade Reliability

      Conformal-coated boards, sealed connections, and UV-resistant housings keep audio pristine season after season.

    • Tailored Fit

      Swivel brackets fit 1.5"–2" bars, aligning the soundstage where riders gather.

Technical Specifications

  • Type UTV/ATV Marine Speaker + 5-Channel Amplifier
  • Water Resistance Speakers IPX6; Amplifier IPX5
  • Amp Power 4 x 80W + 1 x 200W @ 2Ω; 4 x 40W + 1 x 100W @ 4Ω
  • Frequency Response Speakers 60Hz–20kHz; Amp 20Hz–20kHz
  • Mount Compatibility 1.5", 1.75", 1.875", 2" Bars
  • Color/Finish Black Enclosures, Aluminum Brackets
  • Weight Amp 3.35 lb; Each Speaker ~4 lb

Hear From Our Customers

California Propositing 65 Warning: Cancer and Reproductive harm — www.P65Warnings.ca.gov