Best Rmwk4 V2 Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.

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Rockville

Rockville RMWK4 V2 4 AWG Gauge Waterproof Marine Amplifier Installation Kit | 18' Power/Ground, 20' Tinned-OFC RCA, 25' Speaker/Remote Wires, Waterproof Mini-ANL Holder, 80A and 120A Fuses

HIGH-PERFORMANCE 4 AWG WIRING: Includes 18 ft. tinned-OFC power and ground cables for reliable, low-resistance power delivery in marine and car audio systems.

WATERPROOF AND DURABLE DESIGN: Built with corrosion-resistant materials and waterproof insulation for dependable use in boats, off-road vehicles, and harsh environments.

COMPLETE INSTALLATION KIT: Comes with 18 ft. power wire, 18 ft. ground wire, 20 ft. RCA cable, 25 ft. speaker wire, 25 ft. remote wire, fuse holder, and terminals.

EASY AND SECURE INSTALLATION: Flexible cables and pre-installed terminals make setup quick and simple; included fuse holder and fuses protect your audio system.

VERSATILE AUDIO COMPATIBILITY: Ideal for marine stereos, car subwoofers, and amps; supports a wide range of high-power audio setups for any adventure.

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Rockville

Rockville KRYPTON MF4 4-Channel Marine Amp Bundle with RMWK4 V2 Wire Kit | 2400W Peak / 600W RMS, Class AB, Waterproof, MOSFET, Crossover, Bass EQ, MRCA25 25' Copper RCA Cable, 3-Items

Package Includes: (1) Rockville KRYPTON MF4 2400w Peak / 600w RMS 4-Channel Marine Amplifier, (1) Rockville RMWK4 4 AWG Gauge Waterproof Marine Amp Install Wire Kit, (1) Rockville MRCA25 25-Foot Marine RCA Cable with Twisted Pair and Tinned Copper Conductors

Marine-Grade Amplifier With PA Mic: The Rockville KRYPTON MF4 amplifier delivers 2400-Watts peak and 600-Watts Dyno Certified RMS power. Built for marine environments, it features a conformal-coated PCB, rustproof aluminum heat sink, stainless steel hardware, and a marine public address system with talk-over mic functionality.

Advanced Crossover Flexibility: Designed for precision tuning, the MF4 supports low pass, high pass, bandpass, and subsonic filtering per channel. The 12dB/octave crossover allows you to tailor frequencies between 15Hz and 4kHz for subs, full-range, or midrange speakers. Adjustable bass EQ and a built-in voltage meter enhance customization and performance.

Premium 4-Gauge Installation Kit: The RMWK4 wire kit includes 18' of high current, low impedance 4 AWG power and ground cables, waterproof mini-ANL fuse holder, and 25' remote and speaker wires. Every component is marine-rated for corrosion resistance and chemical durability-ideal for any boat or powersports installation.

Audiophile Marine RCA Cable: The Rockville MRCA25 25-foot twisted pair RCA interconnect cable is built with tinned copper strands, waterproof molded plugs, and split-pin technology for reliable signal integrity. Designed for salt and freshwater conditions, its noise-rejecting shielding ensures distortion-free audio in harsh environments.

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Rockville

Rockville WB65KLED 6.5" Marine Boat Wakeboard LED Speaker 4-Pack with Amp | 300W Peak / 150W RMS Each, ATOM S30 2400W 4-Channel Amp, Volt Meter, RMWK4 V2 Wire Kit, MRCA25 25' RCA Cable, Remote, 7-items

Package includes: (2) pair Rockville WB65KLED 6.5 in tower speakers (4 total), (1) Rockville ATOM S30 2400-Watt 4-channel marine amplifier with volt meter & PA mic, (1) RMWK4 4-AWG marine amp wiring kit, (1) MRCA25 25 ft RCA cable.

Speaker specs: per speaker 150-Watt RMS / 300-Watt peak, 4 Ω impedance, frequency response 50 Hz-20 kHz, 1 in titanium dome tweeter, long-excursion 6.5 in woofer, SPL 90 dB, dimensions 7.8 x 7.8 x 11.8 in, weight 5.3 lbs.

ATOM S30 amplifier: Dyno-certified 150 W x4 @ 2 Ω (100 W x4 @ 4 Ω), bridgeable to 300 W x2 @ 4 Ω bridged, digital voltage display, PA mic input, fully adjustable 12 dB/oct crossovers (LPF/HPF/FULL 50-250 Hz), input mode options.

Built for marine use: polished stainless enclosures, UV-coated aluminum 360° swivel brackets (fit 1-2.5 in bars), marinized components, rustproof hardware, and integrated blue LEDs with included remote control for appearance and ambience.

Complete wiring & interconnects: RMWK4 includes 4-AWG power/ground cable, fusing, terminals and accessories for secure installs; MRCA25 is a 25 ft twisted-pair marine RCA with tinned-copper conductors and waterproof split-pin plugs for low-noise signal routing.

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Rockville

Rockville MRDF-4 4-Channel Marine Amplifier Bundle with RMWK4 V2 Wiring Kit | 700W RMS / 2800W Peak, Class D, 4 AWG Waterproof Wiring, MRCA25 25' Twisted Pair RCA Cable, HPF/LPF 50-250Hz, 3-items

Package Includes: (1) Rockville MRDF-4 4 Channel Marine Amplifier 700W RMS 2800W Peak Amp, Compact; (1) RMWK4 4 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit, (1) MRCA25 25 Foot Twisted Pair Marine RCA Cable 100% Copper, Split Pin.

4-Channel Class D Power: The Rockville MRDF-4 delivers 700-Watts dyno-certified RMS system power at 2 Ohms and 2,800-Watts peak. Rated output is 175-Watts RMS x 4 at 2 Ohms, 115-Watts RMS x 4 at 4 Ohms, or 350-Watts RMS x 2 bridged at 4 Ohms. Its compact Class D architecture provides up to 85% efficiency at 4 Ohms for boat audio installations.

Marine-Grade Construction: The MRDF-4 features conformal-coated circuit boards, a UV- and salt-resistant chassis, stainless steel hardware, and an aluminum alloy heat sink. White silicone terminal covers help protect power, ground, remote, and RCA connections from splashes. Its compact 10.43" x 4.92" x 1.81" design fits limited mounting spaces aboard boats.

Adjustable Audio Control: The MRDF-4 offers full-range, high-pass, and low-pass modes with adjustable 50Hz–250Hz filters for tuning speakers or bridged subwoofers. Tiffany-style RCA inputs provide secure connections, while power, status, and clipping indicators support monitoring. Thermal, short-circuit, and over-voltage protection help safeguard the amplifier.

Marine Wiring Accessories: The RMWK4 installation kit provides 4 AWG power and ground cables, a 20-foot tinned-OFC RCA cable, 25-foot speaker wire, remote wire, a waterproof-ring fuse holder, fuses, terminals, and cable ties. The separate MRCA25 adds a 25-foot twisted-pair marine RCA cable with tinned copper strands, flexible PVC shielding, and split-pin plugs.

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Rockville

Rockville Atom S30 4-Channel Marine Boat Amplifier with RMWK4 V2 Wire Kit

Package Includes: (1) Rockville ATOM S30 Marine Amplifier 2400W 4-Channel Amp with Volt Meter and PA Mic, (1) Rockville RMWK4 4 AWG Gauge Waterproof Marine Amplifier Installation Kit, and (1) Rockville MRCA25 25' Twisted Pair Marine RCA Cable, made with 100% Copper and Split Pin technology.

High-Performance Amplification: The Rockville ATOM S30 delivers an impressive 2,400 watts peak power and 600 watts RMS, ensuring robust sound performance. With 150 watts per channel at 4 ohms, you’ll enjoy high-quality audio output for your marine setup. The amp’s Class A/B design ensures exceptional efficiency while minimizing distortion for clear, powerful sound.

Built-in Volt Meter & PA Microphone: The integrated volt meter allows you to monitor your vehicle’s electrical system, ensuring your amplifier operates at optimal power levels. Plus, the included PA microphone makes it easy to communicate with your friends and family, making it perfect for both safety announcements and fun group interactions.

Advanced Crossover Technology: Tailor your audio system with the ATOM S30’s fully adjustable 12dB/octave crossovers, offering low pass, high pass, and full-range settings. Whether you’re powering subwoofers, full-range speakers, or tweeters, you’ll have complete control over frequency response for each channel to fine-tune your setup.

MARINE-READY CONSTRUCTION: Designed for marine environments, the ATOM S30 features a waterproof PCB with conformal coating, stainless steel components, and rustproof aluminum heat sinks. This ensures durability and longevity, even in harsh saltwater conditions. You can count on reliable performance and protection for years to come.

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Rockville

Rockville MRDF-3 4-Channel Marine Amplifier Bundle with RMWK4 V2 Wiring Kit | 400W RMS / 1600W Peak, Class D, 4 AWG Waterproof Wiring, MRCA25 25' Twisted Pair RCA Cable, HPF/LPF 50-250Hz, 3-items

Package Includes: (1) Rockville MRDF-3 4 Channel Marine Amplifier 400W RMS 1600W Peak Amp, Compact; (1) RMWK4 4 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit, (1) MRCA25 25 Foot Twisted Pair Marine RCA Cable 100% Copper, Split Pin.

4-Channel Class D Power: The Rockville MRDF-3 delivers 400-Watts dyno-certified system RMS power and 1,600-Watts peak. Rated output is 100-Watts RMS x 4 at 2 Ohms, 60-Watts RMS x 4 at 4 Ohms, or 200-Watts RMS x 2 bridged at 4 Ohms. Its compact Class D design provides 80% efficiency at 4 Ohms for marine full-range speaker systems.

Marine-Grade Construction: The MRDF-3 is engineered for boat installations with conformal-coated circuit boards, a UV- and salt-resistant chassis, stainless steel hardware, and an aluminum alloy heat sink. White silicone terminal covers help seal power, ground, remote, and RCA connections against splashes, while its 8.86" x 4.92" x 1.81" size fits tight mounting spaces.

Adjustable Audio Control: The MRDF-3 offers full-range, high-pass, and low-pass modes with adjustable 50Hz–250Hz filters for tuning speakers or bridged subwoofers. Tiffany-style RCA inputs provide secure connections, while power, status, and clipping indicators support monitoring. Thermal, short-circuit, and over-voltage protection help safeguard the amplifier.

Marine Wiring Accessories: The RMWK4 installation kit provides 4 AWG power and ground cables, a 20-foot tinned-OFC RCA cable, 25-foot speaker wire, remote wire, a waterproof-ring fuse holder, fuses, terminals, and cable ties. The separate MRCA25 adds a 25-foot twisted-pair marine RCA cable with tinned copper strands, flexible PVC shielding, and split-pin plugs.

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Rockville

Rockville RM-PREMIUM-65 Black Bundle: (8) 6.5" 600W Peak/150W RMS Per Pair Marine Boat Speakers, Atom 8B 8-Channel Amplifier, (3) MRCA25 25 ft RCA Cables, RMWK4 4 AWG Install Kit, 13-Items

Package Includes: (4) Pair Rockville RM-PREMIUM-65 BLACK 6.5" 600w Marine Boat Speakers - Crisp Sound!, (1) Rockville ATOM 8B 8 Channel 3500 Watt Peak/880w Dyno-Certified RMS Marine/Boat Amplifier Amp w/Bluetooth, (1) Rockville RMWK4 4 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit, (3) Rockville MRCA25 25 Foot Twisted Pair Marine RCA Cable 100% Copper, Split Pin.

Marine-Ready Power & Control: ATOM 8B delivers 70W x 8 at 4 ohms (110W x 8 at 2 ohms; 220W x 4 bridged) with Bluetooth auto pairing, 4CH/8CH input modes, and independent crossovers (high/low/full, 50Hz-250Hz @ 12dB/oct). UV/salt-resistant finish, stainless hardware, and conformal-coated boards meet ABYC guidance. Voltage display, RCA line out, >95dB S/N, and >150 damping factor support clean, confident power.

Clear, Loud, Efficient Audio - RM-PREMIUM-65: Larger cone area and thick rubber surround deliver strong mids and lows, while a 1" PEI neo dome tweeter provides crisp highs. Rated 75W RMS per speaker, 4-ohm, 93 dB sensitivity, with a 35Hz-20kHz response, they play loud and clean even from a head unit and scale easily with amplification. Fit specs: 7.17" OD, 5.787" cutout, 2.56" depth, 3.82" height.

Clean Install, Pro Cabling: The RMWK4 kit equips 4 AWG high-current power/ground, remote lead, 16 AWG tinned speaker wire, Mini-ANL holder with 120A/80A fuses, rings/spades, ties, and stainless fasteners. Flexible jackets and chemical-resistant mesh support tight runs in battery bays. Color-coded, marine-safe materials help maintain voltage and reduce drops so ATOM 8B and RM-PREMIUM-65 deliver full output.

Noise-Free Signal Path: Three MRCA25 interconnects (25 ft each) use tinned OFC twisted pairs, polyethylene dielectrics, ultra-flex white PVC, and waterproof split-pin plugs with heat-shrunk inner caps that won't vibrate free. The marine-first build rejects alternator hum and corrosive spray, preserving wide-band accuracy and frequency response-so RM-PREMIUM-65 highs stay crisp and lows stay tight at cruise volume.

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Our #1 Pick Today

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Rockville

Rockville RMWK4 V2 4 AWG Gauge Waterproof Marine Amplifier Installation Kit | 18' Power/Ground, 20' Tinned-OFC RCA, 25' Speaker/Remote Wires, Waterproof Mini-ANL Holder, 80A and 120A Fuses

HIGH-PERFORMANCE 4 AWG WIRING: Includes 18 ft. tinned-OFC power and ground cables for reliable, low-resistance power delivery in marine and car audio systems.

WATERPROOF AND DURABLE DESIGN: Built with corrosion-resistant materials and waterproof insulation for dependable use in boats, off-road vehicles, and harsh environments.

COMPLETE INSTALLATION KIT: Comes with 18 ft. power wire, 18 ft. ground wire, 20 ft. RCA cable, 25 ft. speaker wire, 25 ft. remote wire, fuse holder, and terminals.

EASY AND SECURE INSTALLATION: Flexible cables and pre-installed terminals make setup quick and simple; included fuse holder and fuses protect your audio system.

VERSATILE AUDIO COMPATIBILITY: Ideal for marine stereos, car subwoofers, and amps; supports a wide range of high-power audio setups for any adventure.

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7 Rmwk4 V2 deals are available from: Amazon, starting from $49.95.

The lowest price we found is $49.95 while the highest is $581.85. Prices for the best Rmwk4 V2 deals average at $272.22.