Best R2 500x4 Deals of Nov 2026

Updated November 9, 2026Our site contains affiliate links for which we may be compensated.

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Rockford Fosgate

15% Off

Rockford Fosgate Prime R2-500X4 500-Watt 4-Channel Amplifier | Class-D, Extremely Efficient, Reduces Demand on the Vehicles Electrical System

The R2-500X4 full-range class-D 4-channel amplifier (1.9" x 6.8" x 10.1") is packed with features and performance to deliver power and bass on demand with 500 Watts of RMS power

Class D technology makes this amp extremely efficient by reducing demand on the vehicles electrical system (RMS Power: 75 Watts x 4 @ 4Ω OR 155 Watts x 4 @ 2Ω OR 250 Watts x 2 @ 4Ω Bridged/Mono)

Featuring C.L.E.A.N. circuitry to help you adjust your gain settings, a P.O.W.E.R. Supply that generates more power as voltage increases, and integrated Punch EQ that corrects for acoustic deficiencies while delivering up to 3X the bass

Featuring fully adjustable 12 dB/octave high and low pass Butterworth crossovers, balanced differential inputs with RCA pass through outputs, high level input capable, defeat able auto turn on circuit and top mounted controls

Famous Rockford Fosgate build quality with a full 1-year warranty

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Rockford Fosgate

16% Off

Rockford Fosgate Prime R2-500X1 500-Watt Mono Amplifier | Class-D, Extremely Efficient, Reduces Demand on the Vehicles Electrical System

The R2-500X1 full-range class-D mono amplifier (1.9" x 6.8" x 8.5") is packed with features and performance to deliver power and bass on demand with 500 Watts of RMS power

Class D technology makes this amp extremely efficient by reducing demand on the vehicles electrical system (RMS Power: 300 Watts x 1 @ 4Ω OR 500 Watts x 1 @ 2Ω)

Designed for subwoofers, a variable infrasonic filter and remote level control allows you to tune the bass for the desired level for the music

Famous Rockford Fosgate build quality with a full 1-year warranty

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Rockford Fosgate

16% Off

Rockford Fosgate Prime R2-300X4 300-Watt 4-Channel Amplifier | Class-D, Extremely Efficient, Reduces Demand on the Vehicles Electrical System

The R2-300X4 full-range class-D 4-channel amplifier (1.9" x 6.8" x 10.1") is packed with features and performance to deliver power and bass on demand with 300 Watts of RMS power

Class D technology makes this amp extremely efficient by reducing demand on the vehicles electrical system (RMS Power: 50 Watts x 4 @ 4Ω OR 75 Watts x 4 @ 2Ω OR 150 Watts x 2 @ 4Ω Bridged/Mono)

Featuring fully adjustable 12 dB/octave high and low pass butterworth crossovers, balanced differential inputs with RCA pass through outputs, high level input capable, defeat able auto turn on circuit and top mounted controls

Famous Rockford Fosgate build quality with a full 1-year warranty

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4PCS M10x1.0-35.4mm Brake Bleeder Screw,Brake Bleeder Valve with Dust Caps | Sturdy Carbon Steel,Dust-Proof Sealing,Secure & Stable Fit,Easy to Install,Car Essentials for Brake Maintenance

System Critical: Even though this part is compact, these speed bleeders for brake play a big role in your braking system. When the original bleeder gets worn, replacing it quickly helps keep your brake system working properly. This screw goes directly in place of the old one

Precise Size: These brake bleeder screws come M10x1.0-35.4 with a thread diameter of 10mm and a total length of 35.4mm. Before you order, take a moment to check the thread size on your original bleeder screw to keep you get the right match for your vehicle's caliper

Strong Sealing: These speed bleeder screws come with 4 protective caps which fit snugly over the bleeder hole. These caps helps block dirt, mud, and water from entering the system. The cap stays attached to the screw so you will not lose it during service work

Sturdy Material: These brake caliper bolts are made from carbon steel that resists bending and stripping under high torque. The threads stay clean and hold their shape through repeated installation and take off. You get a durable part that lasts through multiple brake services

4-Piece Set: This brake caliper bleeder screw kit includes 4 screws and 4 dust caps. You get enough for a full replacement job with extras left over for your toolbox. Having spares on hand means you are ready for future brake work without making another trip

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Hazardous Material Identification Label HMIL, 4 x 4 Inch Square Adhesive Stickers, 500 Total Hazard Labels on a Roll for Chemical Safety and Workplace Compliance – Made in the USA

HMIL Hazard Identification Format: Clearly displays Health Flammability Reactivity and Personal Protection sections to support workplace chemical safety programs.

500 Total 4 x 4 Inch Square Labels on a Roll: Each roll includes 500 large hazard identification stickers ideal for tanks, drums, storage areas, and containers.

Large Format for Clear Visibility: The 4 inch square size allows hazard ratings to be read easily from a distance in high traffic industrial environments.

Designed for Chemical and Workplace Compliance: Ideal for laboratories, warehouses, manufacturing facilities, maintenance departments, and storage sites.

Made in the USA with Quality Materials: Manufactured in the USA using dependable adhesive and durable label stock for professional industrial safety use.

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Hazardous Material Identification Labels HMIL, 4 x 6 Inch Rectangular Adhesive Stickers, 500 Total Hazard Labels on a Roll for Chemical Safety and Workplace Compliance – Made in the USA

HMIL Hazard Identification Format: Clearly displays Health Flammability Reactivity and Personal Protection sections to support organized chemical safety programs.

500 Total 4 x 6 Inch Labels on a Roll: Each roll includes 500 large hazard identification stickers ideal for tanks, drums, storage areas, and containers.

Large 4 x 6 Format for Clear Visibility: Rectangular layout provides expanded writing space and improved readability in busy industrial environments.

Designed for Workplace and Chemical Compliance: Ideal for laboratories, warehouses, manufacturing facilities, maintenance departments, and storage sites.

Made in the USA with Quality Materials: Manufactured in the USA using dependable adhesive and durable label stock for professional industrial safety use.

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Yiwview 50PCS Clear Windshield Sticker Protector, 4x6 Inch Static Cling Film for Car Decals Parking Permit, Reusable No-Residue Window Sticker Applicator

Material: These windshield sticker protector sheets are made from high-quality PET film that resists heat and sun exposure. The sticker shield for windshields stays clear and durable without yellowing over time.

No Mess, No Residue: Static cling design means no adhesives. This windshield sticker holder lets you apply, remove, and reapply decals without leaving any sticky residue on your glass or tint.

Protect Your Stickers: Place your permit or decal on this sticker shield first, then apply to your windshield. The sticker holder keeps your stickers intact and makes removal easy — no scraping or solvents needed.

Easy to Apply & Reuse: Clean the glass, peel off the backing, press the film in place, then add your sticker. This clear window cling can be reused across multiple vehicles without losing its cling.

Package Contents: You receive 50 clear windshield sticker protector sheets (4 x 6 inches each). Perfect for parking permits, toll passes, inspection stickers, and more.

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VKQTS 30Ft X 4 Inch Carbon Fiber Wrap for Cars,Stylish Carbon Fiber Tape for Decorating Car Bodywork,Universal Self-Adhesive Car Accessories Exterior Pin Striping Tape for Cars (4In x 30Ft)

Stylish Carbon Fiber Design: Carbon fiber tape for cars uses classic carbon fiber design, stylish and elegant, use it to decorate all parts of body of your car, add sense of fashion and beauty for car, highlight your fashionable style, believe that carbon fiber enthusiasts will love

Excellent Material: Carbon fiber wrap for cars is made of PVC, good water resistant and sunscreen performance, can withstand harsh environment and keep stable performance, strong adhesion, not easy to peel off, not easy to produce air bubbles, and not easy to leave residual adhesive

Wide Use: Carbon vinyl wrap can not only be used to decorate the bodywork, but also be cleverly used to cover up bodywork scratches, if your car has some scratches or damages on surface that are not beautiful, you can stick it on scratches, and its strong adhesion allows for repeated use

Product Specification: Our car carbon fiber tape total size is 30 ft X 4 inch, which is enough to meet your needs, its overall size not unfolded is 4.00*2.15*2.15 inch, compact and lightweight, easy to store and carry, you can put it in trunk or any place, take it out and use it any time

Easy to Install: Installation is very simple, first clean the installation area to avoid water, dust and other impurities affecting the adhesion, slowly tear off our carbon fiber vinyl tape, then paste it, if used in winter, you can use a hair dryer to strengthen adhesion

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Our #1 Pick Today

Rockford Fosgate

15% Off

Rockford Fosgate Prime R2-500X4 500-Watt 4-Channel Amplifier | Class-D, Extremely Efficient, Reduces Demand on the Vehicles Electrical System

The R2-500X4 full-range class-D 4-channel amplifier (1.9" x 6.8" x 10.1") is packed with features and performance to deliver power and bass on demand with 500 Watts of RMS power

Class D technology makes this amp extremely efficient by reducing demand on the vehicles electrical system (RMS Power: 75 Watts x 4 @ 4Ω OR 155 Watts x 4 @ 2Ω OR 250 Watts x 2 @ 4Ω Bridged/Mono)

Famous Rockford Fosgate build quality with a full 1-year warranty

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Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

8 R2 500x4 deals are available from: Amazon, starting from $4.99.

The biggest discount we found is 16% on Rockford Fosgate Prime R2-500X1 500-Watt Mono Amplifier | Class-D, Extremely Efficient, Reduces Demand on the Vehicles Electrical System (R2-500X1) at Amazon.

The lowest price we found is $4.99 while the highest is $304.99. Prices for the best R2 500x4 deals average at $114.85.