Would this work for the zvx8 or the 800 better?

Well im running, my amp on a evl12.2 and my sub sometimes feels like it can take more. I'm going to buy a rp1500.1d to push my 12 to see what happens so we will see. These skar subs are tough. It can probably handle it but just not at full throttle all the time.

Woild the rp1200 stand a .5 ohm load? 2 sdr 12d2 wired to .5?

Not sure I would try that, it's 1 ohm stable. I purchase dual 4 ohm coils two wire down to a stable 1 ohm load

Will this amp work on a 4 ohmms 300rms watt speaker?

You might want to go with the 800 or even smaller for 300 rms , the skar put up more then what they say they do , look them up on YouTube put the amp you looking at and at the end put dyno

Would 100 amp alternator handle skar audio 1200 watt amp @1ohm?

I think I have a 92 amp alternator on my dodge ram 1500 with a v-6 engine. It runs the amp very well.

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RP-1200.1D

Product ID: 70898440

Details

Item dimensions L x W x H
16 x 6 x 2.5
Manufacturer
Skar Audio
Maximum Supply Voltage
14.5 volts
Minimum Supply Voltage
8.5 volts
Voltage
14.4 volts

⚡1200W RMS @ 1Ω power

🎚️Remote subwoofer level control

🛡️4-way protection circuitry

Description

🎵 Own the streets with bass that commands attention!

UNMATCHED BASS POWER - Delivers a thunderous 1200W RMS with peak bursts up to 1600W for chest-rattling impact.
PLUG PLAY SIMPLICITY - Oversized 4-gauge terminals and intuitive controls make installation and tuning a breeze for pros and beginners alike.
PRECISION BASS CONTROL - Adjust your subwoofer’s punch on the fly with the included remote bass knob—no amp access needed.
ROCK SOLID RELIABILITY - 4-way protection guards against overheating, short circuits, and voltage drops for worry-free performance.
EFFICIENT CLASS D DESIGN - High-efficiency MOSFET tech keeps your amp cool and powerful without draining your battery.

The Skar Audio RP-1200.1D is a high-performance Class D monoblock amplifier engineered for serious bass enthusiasts. Rated at 1200 watts RMS at 1 ohm and capable of peaks up to 1600 watts, it powers subwoofers with clean, punchy output. Featuring a remote subwoofer level control, 4-way protection circuitry, and an efficient MOSFET power supply, this amp balances power, reliability, and user-friendly tuning. Perfect for millennial professionals seeking a powerful yet affordable upgrade to their car audio system.

Specifications

ASIN	B07F1FXPH1
Best Sellers Rank	#1,172 in Electronics ( See Top 100 in Electronics ) #2 in Car Multichannel Amplifiers
Brand Name	Skar Audio
Customer Reviews	4.6 4.6 out of 5 stars (3,969)
Global Trade Identification Number	00011922308433
Included Components	Bass Knob & Wire, Instruction Manual, Skar Audio RP-1200.1D Monoblock Class D Amplifier
Item Dimensions	16 x 6 x 2.5 inches
Item Type Name	Car Amplifier
Item Weight	7.2 pounds
Manufacturer	Skar Audio
Material Type	Semiconductor
Maximum Output Power	1600 watts
Maximum Supply Voltage	14.5 volts
Minimum Supply Voltage	8.5 volts
Model	RP-1200.1D
Mounting Type	Surface Mount
Number of Channels	1
Output Power	1600 watts
Package Type Name	box
Part Number	RP-1200.1D
Specification Met	FCC
UPC	011922308433
Unit Count	1 Count
Voltage	14.4 volts
Warranty Description	2 year limited warranty

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