WET75.4 4-Channel Amp + 4-Zone Marine Receiver Bundle
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WET75.4 4-Channel Amp + 4-Zone Marine Receiver Bundle
WET75.4 4-Channel Amp + 4-Zone Marine Receiver Bundle
Marine Power Bundle, 4-Ch Class A/B Amp, IP66 Receiver, Wiring Kit, RCAs
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Regular price
$408.90
Sale price
$408.90
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Features
- 4-zone IP66 marine receiver
- 400W RMS 4-channel amplifier
- 4 AWG marine amp kit
- Marine-grade RCA interconnects
- Bluetooth, USB, AM/FM sources
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What's Included in the box
- RGHR45 4-Zone Gauge-Hole Marine Receiver
- Wired Remote with Zone Controls
- MTX WET75.4 4-Channel Marine Amplifier
- RMWK4 4 AWG Marine Amp Install Kit
- Marine RCA Interconnect Cable
SKU: SKU: RGHR45+WET75.4+RMWK8 V2+MRCA25
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Product Description
Power your speakers properly with a refined marine electronics bundle. The 4‑zone IP66 receiver adds Bluetooth, USB, and TFT control, while the 400W RMS 4‑channel amplifier delivers clean headroom for authoritative, low‑distortion sound at speed. Included 4 AWG wiring and marine RCAs create a resilient backbone that maintains clarity and aesthetics through salt, spray, and sun.
This Bundle Includes

RGHR45
The RGHR45 marine receiver delivers powerful sound and seamless control across four zones. With wired remote access, Bluetooth, USB, and a vibrant TFT display, it’s engineered for convenience and durability. IP66 waterproofing and robust construction make it the perfect centerpiece for any premium marine audio system.
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WET75.4
The MTX WET75.4 is a compact 4-channel marine amplifier delivering up to 400W RMS of clean, controlled power. Designed for boats and off-road vehicles, it pairs refined sound quality with weather-resistant construction, flexible tuning controls, and a space-saving chassis built for demanding environments.

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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Features
Clean, Confident Power
400W RMS 4‑channel amp supplies ample headroom for crisp, dynamic playback underway.
Multi-Zone Control
IP66 receiver with 3" TFT screen manages four zones for perfect balance across the boat.
Marine-Grade Cabling
4 AWG power kit and shielded RCAs ensure low noise and reliable connectivity in harsh conditions.
Flexible Sources
Bluetooth streaming, USB playback, and AM/FM keep content close for any outing.
Durable Design
Coated boards, stainless hardware, and sealed connections resist moisture, salt, and UV.

Technical Specifications
- Type Marine receiver and 4‑channel amplifier bundle with wiring
- Receiver waterproof rating IP66
- Receiver zones 4 (with sub zone)
- Amplifier RMS power 100 W x 4 @ 2 ohm; 75 W x 4 @ 4 ohm
- Amplifier topology Class A/B, IP55 weather resistant
- Display 3" TFT color
- Included wiring 4 AWG amp kit + marine RCA
- Weight N/A
- Dimensions Amplifier 2.25" x 12.13" x 6.38"; Receiver cutout Ø 2.99", depth 4.96"