This amp states this on the information (250 watts x 2 @ 4ω bridged/mono). can connect to bridge/mono with 4ohm thats converted to 2ohm?

Yes, running 4 ohm bridged will be the same power as 2 ohm per channel. Thanks for your interest in Rockford Fosgate!

How long do i have to return it?

Return it why would be the question to your question. See warranty info was 2 yrs to manufacturer.

Is this amp waterproof? Want it for a Polaris Slingshot!

No, the R2 series of amplifiers are not Element ready and should not be exposed to the elements. Here are our Element ready series of amplifiers: https://www.amazon.com/stores/page/BBFD70CE-A64C-417A-909C-76317E1A2400?ingress=2&visitId=e69d8aab-5221-4837-8268-78465b0496a6&ref_=ast_bln Thanks for your interest in Rockford Fosgate!

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Rockford Fosgate Prime R2-500X4 500-Watt 4-Channel Amplifier

Product ID: 178170679

Details

Brand
Rockford
Item dimensions L x W x H
6.8 x 10.1 x
Manufacturer
Rockford
Maximum Supply Voltage
16 Volts (DC)
Mounting Type
Freestanding

⚡500W RMS power output

🔋Class-D efficiency reduces electrical load

🎚️Fully adjustable 12 dB/oct Butterworth crossovers

S$689

Duties & taxes included

In stock

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Description

🎵 Unleash your ride’s true voice with power and precision!

ROCKFORD RELIABILITY - Built tough with a 1-year warranty—trusted by audiophiles and pros alike.
TAILOR YOUR SOUNDSCAPE - 12 dB/octave high and low pass Butterworth crossovers let you customize audio with precision.
BASS THAT HITS DIFFERENT - Integrated Punch EQ boosts bass up to 3X, correcting acoustic flaws for immersive depth.
EFFICIENCY MEETS PERFORMANCE - Class-D tech minimizes strain on your vehicle’s electrical system—more power, less drain.
POWER THAT COMMANDS ATTENTION - Delivers up to 500 Watts RMS across 4 channels for crystal-clear, room-shaking sound.

The Rockford Fosgate Prime R2-500X4 is a compact yet powerful 4-channel Class-D amplifier delivering up to 500 Watts RMS. Engineered for efficiency, it reduces electrical demand while offering fully adjustable crossovers and a Punch EQ for enhanced bass. Perfect for millennial professionals seeking premium sound quality and reliability backed by a 1-year warranty.

Specifications

ASIN	B07XDZX1B5
Best Sellers Rank	#46,773 in Electronics ( See Top 100 in Electronics ) #97 in Car Multichannel Amplifiers
Brand	Rockford Fosgate
Built-In Media	R2-500X4
Customer Reviews	4.6 4.6 out of 5 stars (419)
Item Highlight	Class-D, Extremely Efficient, Reduces Demand on the Vehicles Electrical System
Item Weight	5 pounds
Manufacturer	Rockford Fosgate
Mfr Part Number	R2-500X4
Model Number	R2-500X4
Number of Items	1
Unit Count	1 Count
Warranty Description	1-Year Manufacturer Warranty

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