WB50KLS Silver 2-Pack + MB Quart NA2-320.4 Bluetooth Controller Bundle
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Rockville
WB50KLS Silver 2-Pack + MB Quart NA2-320.4 Bluetooth Controller Bundle
WB50KLS Silver 2-Pack + MB Quart NA2-320.4 Bluetooth Controller Bundle
5.25" LED Marine Towers, 2-Pack, 4‑Ch Amp, Rocker Bluetooth Controller, Mounts
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Regular price
$449.84
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$449.84
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Features
- Two pairs of 5.25" LED towers
- Compact 4‑channel marine amplifier
- Rocker-switch Bluetooth controller
- Polished stainless enclosures
- 360° rotating brackets included
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What's Included in the box
- (2) Pairs Rockville WB50KLS 5.25" LED Tower Speakers (Polished Silver)
- Aluminum Mounting Brackets and Hardware
- LED Remotes
- MB Quart NA2-320.4 4‑Channel Amplifier
- MB Quart N2‑WBT Bluetooth Controller
SKU: SKU: (2) WB50KLS SILVER+NA2-320.4+N2-WBT MB
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Product Description
Create a cohesive, high‑energy soundstage across larger boats and UTV cages with four polished LED towers and a compact 4‑channel amplifier. The rocker‑mounted Bluetooth controller tucks neatly into a factory switch blank, delivering clean wireless control without clutter. Marine‑grade materials, sealed leads, and 360° brackets stand up to spray and sun while letting you aim sound precisely. It’s a stylish, scalable system that looks premium and plays with authority.
This Bundle Includes

WB50KLS SILVER
The WB50KLS delivers bold sound and customizable LED lighting in a compact, waterproof design. With 250W peak power, a stainless steel enclosures, and 360° rotating brackets, these speakers are built for boats, ATVs, and UTVs—offering easy installation, durability, and a premium audio-visual experience wherever you ride.
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NA2-320.4
The MB Quart NA2-320.4 delivers 320W RMS across four channels with clear, stable sound for Polaris RZR, ATV, and UTV applications. Rugged, water-resistant, and compact, it combines advanced pre-amp technology, thermal management, and quick-release connectors for adaptable, high-performance audio in any off-road environment.

N2-WBT
The MB Quart N2-WBT Bluetooth rocker switch controller adds clean, wireless audio control to ATVs, UTVs, and carts. Designed for standard switch mounting, it pairs fast, resists the elements, and delivers intuitive fingertip control with backlit visibility and RCA preamp outputs.
Features
Full-Deck Coverage
Four 5.25" towers distribute lively, consistent sound across cockpits, decks, and trails.
Factory-Style Integration
Rocker-switch Bluetooth controller preserves clean dashboards with discreet, intuitive control.
Compact, Clean Power
Efficient 4‑channel amp delivers balanced output to each pair for clear, dynamic playback.
Marine-Grade Craft
Polished stainless enclosures and sealed wiring resist corrosion, UV, and moisture.
Adjustable Aim
360° brackets let you target listening zones forward, aft, or sideways for better coverage.

Technical Specifications
- Type Marine/powersports tower speaker + 4‑channel amplifier + Bluetooth controller bundle
- Speaker size 5.25 in (4 speakers total)
- Speaker RMS power 125 W each
- Amplifier RMS power @2Ω 80 W x4
- Controller mount Rocker switch panel
- Bracket rotation 360°
- Speaker impedance 4 Ω
- Weight (speaker) 4.1 lb each
- Dimensions (speaker) 5.7" x 5.7" x 7.9" each