{"product_id":"roswell-marine-roswell-r1-650-4-4-channel-marine-amplifier","title":"Roswell Marine Roswell R1 650.4 4-Channel Marine Amplifier","description":"\u003cp\u003e\u003cstrong\u003eRoswell Marine Roswell R1 650.4 4-Channel Marine Amplifier\u003c\/strong\u003e is organized for electrical wiring \u0026amp; connectors shoppers who need a clear, professional marine parts buying experience.\u003c\/p\u003e\u003cp\u003eR1 650.4 4-Channel Marine Amplifier The R1 650.4 marine-grade amplifier from Roswell, is everything a boat's audio system has always wanted. These stackable amplifiers utilize a 4-channel Class-D design that puts out 100 watts RMS per channel at 4Ω and is perfect for powering an R1 6.5″ marine speaker setup. Easily bridge and tune with the calibrated crossover controls. Because LEDs create lots of noise issues, this amp features differential RCA inputs for maximum noise rejection. The R1 650.4 is built with fully conformal-coated PCBs and nickel-plated marine-grade wire terminals to ensure their quality. Features: Ch 1-4 calibrated crossover (FULL\/HPF\/LPF) Space-saving stackable design Bridg\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Product Details\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eBrand \/ Manufacturer: Roswell Marine\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eSearch-optimized by brand, system, part type, and fitment cues.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your original part number, engine model, and application before ordering.\u003c\/li\u003e\n\u003cli\u003eBuilt for boat owners, e-commerce shoppers, and professional marine service teams.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Roswell Marine","offers":[{"title":"Default Title","offer_id":43285390819417,"sku":"100981","price":401.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/roswell-r1-6504-4-channel-marine-amplifier-8616581.jpg?v=1761791575","url":"https:\/\/www.marinepartsonly.com\/products\/roswell-marine-roswell-r1-650-4-4-channel-marine-amplifier","provider":"Marine Parts Only","version":"1.0","type":"link"}