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Essential Roswell Marine Offroad Sd 600.4 Compact Amplifier Up To 60% Off [gupsqTio]

$63.99 $204.99 -69%

Unleash the full potential of your on-water audio with this cutting-edge Essential Roswell Marine Offroad Sd 600.4 Compact Amplifier Up To 60% Off [gupsqTio], engineered to deliver crystal-clear sound and unmatched durability in the harshest marine environments.See All Roswell Marine 

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Unleash the full potential of your on-water audio with this cutting-edge Essential Roswell Marine Offroad Sd 600.4 Compact Amplifier Up To 60% Off [gupsqTio], engineered to deliver crystal-clear sound and unmatched durability in the harshest marine environments.

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Questions? Call Dave: "Tel: 864.367.6161" [email protected]

For over 25 years,  from a garage-born passion project into a multinational conglomerate with expanding global operations, Roswell Marine continue to manufacture and innovate award-winning marine audio, towers, racks, and accessories. 

Roswell’s product development is a special blend of elements combined into a concept-to-completion process refined over the years.

Partnering with the world’s leading brands, Roswell has become a stamp of excellence and a proven solution for marine products featured on boats that set the highest standard in the industry. 

The Roswell SD 600.4 Compact OFFROAD Amplifier was built for a beating; IP66 rated to withstand the harshest conditions and power your audio experience anywhere. Fully conformal-coated PCB’s, crossover controls, and differential RCA inputs for maximum noise rejection keep you firing on four channels to configure your ideal sound system.

Features

☑ Compact Design
☑ IP66 rated
☑ Conformal coated PCBs
☑ Switchable Differential RCA inputs
☑ RCA Line Out Passthrough
☑ Standard potentiometers
☑ 12 dB/oct Crossover Slopes
☑ LPF/FLAT/HPF
☑ 8 AWG power/ground
☑ 16 AWG remote wire
☑ 16 AWG speaker wires

Specifications

☑ Continuous Power (RMS)
-2Ω: 150W x 4
-4Ω: 100W x 4
-4Ω: 300W x 2
☑ Inputs
-2 pr RCA
-2CH/4CH
-USB (With Charging)
☑ Input Sensitivity
0.2V-10V
☑ HPF (High Pass Filter)
-30-300Hz
☑ LPF (Low Pass Filter)
-30-300Hz Subsonic (auto @30Hz inLPF)
Dimensions
☑ WIDTH: 10 in | 25.3 cm
☑ HEIGHT: 1.7 in | 4.3 cm
☑ DEPTH: 4.6 in | 11.8 cm

Roswell Marine Amplifiers Comparison 

Package Includes

☑ (1) SD 600.4 Compact OFFROAD Amplifier
☑ (4) Mounting Screws
☑ (1) Allen Key

Warranty Policy 

What Our Customers Say

December 26, 2025

Absolutely no complaints!

This works like a dream.

- Willow O..

December 26, 2025

Absolutely no complaints!

I am happy with this product.

- Franklin G..

December 26, 2025

Absolutely no complaints!

I'm happy with my order.

- Tricia Q..

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