RWB90B 4-Pack + RXD-F30 + RMWK4 Bundle
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Rockville
RWB90B 4-Pack + RXD-F30 + RMWK4 Bundle
RWB90B 4-Pack + RXD-F30 + RMWK4 Bundle
8" Black Towers (4), 4‑Ch Micro Amp 600w RMS, 4‑AWG Wiring Kit
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Regular price
$424.85
Sale price
$424.85
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Features
- Four 8" swivel towers for massive coverage
- Compact 4‑ch amp with certified RMS power
- 4‑AWG marine install kit included
- UV‑safe, water‑resistant construction
- High SPL with clean projection
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1-Year Warranty
What's Included in the box
- (2) Pairs RWB90B 8" Swivel Tower Speakers (Black)
- RXD‑F30 Micro 4‑Channel Amplifier
- RMWK4 4‑AWG Marine Wiring Kit
- Brackets, Hardware, RCA and Power Cables
SKU: SKU: (2) RWB80B+RXD-F30 RZR
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Product Description
Turn heads with full‑tower authority. Four 8" wakeboard speakers blanket your towpath and sandbar with crisp highs and assertive midbass, while a compact, water‑resistant micro amplifier delivers dyno‑certified power without hogging space. A corrosion‑resistant 4‑AWG wiring kit ties it all together for dependable, low‑noise operation. The look is purposeful; the sound is bold and beautifully controlled.
This Bundle Includes

RWB90B
RWB90 Marine Wakeboard Speakers offer 200W RMS power, marine-grade durability, and 360° swivel mounting. Designed for boats, Jeeps, and ATVs, they deliver clear, powerful sound and withstand the harshest elements. Enjoy premium audio performance and flexible installation for any adventure, on water or off-road.
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RMWK4 V2
The RMWK4 V2 marine amplifier wiring kit delivers premium power and signal transfer with 4 AWG cables, waterproof fuse holders, and corrosion-resistant terminals. Designed for marine durability and easy installation, it’s the complete solution for achieving powerful, reliable audio on any boat or outdoor system.
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RXD-F30
The RXD-F30 Micro Amplifier delivers 2400W peak, 400W RMS sound with water-resistant, compact design. Fully adjustable crossovers, bass EQ, and 2/4-channel input modes provide flexible, high-quality audio for cars, ATVs, and marine setups. Studio-grade components ensure durability and clean, powerful sound for any mobile environment.
Features
Massive Sound Field
Quad 8" towers and 360° brackets provide expansive coverage forward and aft.
Compact, Capable Power
RXD‑F30 supplies up to 600 W RMS with class A/B warmth and simulated Class‑G efficiency.
Marine‑Minded Build
UV‑stable enclosures, sealed terminals, and stainless hardware thrive in harsh conditions.
Clean Install Path
4‑AWG kit with tinned‑OFC RCAs minimizes resistance and noise for sharper transients.
Flexible Mounting
Large mounting screws accommodate a wide range of roll bars and towers for secure placement.

Technical Specifications
- Type Marine wakeboard tower bundle with micro amplifier and wiring
- Tower Speakers 8", 300 W peak each; 200 W RMS each
- Amplifier RMS 4 x 150 W @ 2 Ω; 4 x 100 W @ 4 Ω; 2 x 300 W bridged @ 4 Ω
- Frequency Response (Amp) 10 Hz – 40 kHz
- Weight —
- Dimensions —