Roswell R1 1000.1 Mono-Block Marine Amplifier
Best mono-block for boaters seeking powerful, space-saving subwoofer performance.
Experience powerful audio on your boat with the Roswell R1 1000.1 Mono-Block Marine Amplifier. This stackable Class-D amplifier is designed to perfectly complement Roswell R1 subwoofers, delivering robust sound. It features a calibrated potentiometer for precise control and offers impressive power, capable of running multiple subwoofers. Enjoy features like low-pass and subsonic filters, switchable differential RCA inputs to minimize noise, and a bass boost control for customized sound. The conformal-coated PCBs ensure durability in marine environments, while the Lit logo power indicator provides visual feedback. Its compact and stackable design saves valuable space.
$584.00
Owner Satisfaction
4.6
/ 5
Category Rank
934
/ 1684
#934 in Power Amplifiers
Price vs Category Average
-93%
Below average
Continuous Power (RMS)
4400267511000
/ Ω: W, Ω: W, Ω: W
Who it's for
- Boat owners operating in harsh saltwater or humid environments
- Audiophiles seeking high-output bass without draining their boat battery
- System builders wiring complex multi-subwoofer configurations
Who should skip it
- Budget-conscious buyers prioritizing lower-cost automotive alternatives
- Installers looking for a single unit to power full-range speakers
- Owners with limited space for proper ventilation and heat management
Performance breakdown
Marine Durability
Conformal-coated PCBs provide robust protection against harsh saltwater environments.
Power Density
Delivers a massive 1000W output within a remarkably compact footprint.
Installation Versatility
Stackable design allows for clean, space-saving integration in tight boat consoles.
Signal Precision
Differential RCA inputs effectively minimize noise for a cleaner audio signal.
Subwoofer Control
Comprehensive filters and phase control offer deep customization for bass output.
Efficiency
Class-D topology ensures high power output without excessive heat generation.
Key Specs
Continuous Power (RMS)
4Ω: 400W, 2Ω: 675W, 1Ω: 1000W
Frequency Response
10Hz – 400Hz
Input Sensitivity
0.2–10.0V
HPF (High Pass Filter)
30Hz – 300Hz
LPF (Low Pass Filter)
30Hz – 300Hz
Bass EQ
0-18dB @ 45Hz
Subsonic Filter
10Hz – 55Hz
Dimensions
1.90 x 7.06 x 11.125 inches (4.83 x 17.94 x 28.26 cm)
Features
- Space-saving stackable design
- High-Efficiency Class-D Topology
- Mono-block design for focused power
- Conformal-coated PCBs for marine durability
- Low-pass and subsonic filters
- Switchable differential RCA inputs
- Bass boost control
- Full 0-180º phase control
What customers say
Consumers consistently praise the Roswell R1 1000.1 for its exceptional build quality and unwavering reliability in demanding marine conditions. Owners frequently highlight the amplifier's ability to deliver clean, powerful bass without overheating or failure, even during long periods of use. This robust performance justifies the investment, positioning the R1 as a premium, trustworthy component essential for serious boat audio setups.
Know before you buy
Yes, the R1 1000.1 features a modular, stackable design that allows you to mount multiple amplifiers together to save space in tight marine compartments.
Absolutely. The internal PCBs are conformal-coated to protect against moisture, corrosion, and the harsh conditions typically found in marine environments.
The amplifier provides 400W RMS at 4Ω, 675W RMS at 2Ω, and a full 1000W RMS when wired at 1Ω, making it highly versatile for various subwoofer configurations.
These inputs are designed to minimize electrical noise and ground loop interference, which is common in boat audio systems, ensuring a cleaner signal to your subwoofers.
Yes, it features a built-in subsonic filter, a low-pass filter, and a bass boost control, along with 0-180º phase control to help you precisely dial in your bass performance.
With dimensions of approximately 1.90 x 7.06 x 11.125 inches, the R1 1000.1 is designed to be compact and efficient, making it ideal for installations where mounting space is limited.
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