Roswell 650.4 Marine Amplifier

Upgrade your boat’s audio system with the Roswell R1 650.4 Marine-Grade Amplifier—designed for power, clarity, and durability on the water. Featuring a stackable, 4-channel Class-D design, this amplifier delivers 100W RMS per channel at 4Ω, making it the perfect match for your R1 6.5" in-boat speakers.

With calibrated crossover controls, tuning your system is effortless, and the differential RCA inputs ensure maximum noise rejection—eliminating interference from LED lighting. Built to withstand harsh marine environments, the fully conformal-coated PCBs and nickel-plated wire terminals guarantee long-lasting performance.

Key Features:

✔ Bridgeable 4-Channel Design – Power multiple speakers efficiently
✔ Marine-Grade Durability – Built to withstand the elements
✔ 2Ω Stable – Produces 165W per channel at 2Ω
✔ Bluetooth USB Port – Convenient connectivity
✔ Calibrated Crossover Controls – FULL/HPF/LPF options for fine-tuning
✔ Tiffany RCA Inputs – High-quality connections for superior sound
✔ Bass EQ – Adjustable from 0 to 18dB @ 45Hz
✔ Compact Stackable Design – Saves space while delivering powerful audio

Power Ratings (RMS):

🔹 4Ω: 100W x 4
🔹 2Ω: 165W x 4
🔹 Bridged 4Ω: 300W x 2

Specifications:

📡 Frequency Response: 10Hz – 25kHz
🎚 Input Sensitivity: 0.2 – 10.0V
🎛 HPF (High Pass Filter): 30Hz – 300Hz
🎛 LPF (Low Pass Filter): 30Hz – 300Hz

Dimensions:

📏 Inches: 1.90" x 7.06" x 11.12"
📏 Centimeters: 4.83 x 17.94 x 28.26

Give your boat the high-performance sound it deserves with the Roswell R1 650.4 Marine Amplifier—designed to deliver power, precision, and marine-grade reliability.

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