I have 4 12"s will i have to install a second battery for it to push like i expect it too?

Always upgrade the big three first bigger wire,alternator, and battery before adding anything like one guy said capacitors are garbage they mistakenly make you think they do what you want them to do but they do not at all.

Is or will it handle 0.5 half ohm running daily?

Highly not recommended. Can it? Yes For how long?! Heat and component build will decide that

i have 2 evl-15 d2 with 3 yellow top batteries and 2 alternators set up. which amp would i need to push my 15's seeing that i have plenty of power???

I’m selling one of these amps. Brand new. On eBay

Rp 4500 1d | Desertcart Bolivia

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Description

🎵 Power your bass like a pro — feel every beat, control every vibe!

MAXIMUM CURRENT FLOW - Oversized 1/0 AWG power & ground terminals ensure efficient, high-output performance.
PRECISION BASS CONTROL - Fine-tune your low end on the fly with the included remote subwoofer level knob.
PRO GRADE SOUND TUNING - Adjust gain, bass boost (0-9dB), subsonic & low-pass filters, plus phase for perfect audio alignment.
ROCK SOLID RELIABILITY - 4-way protection circuitry guards against overheating, shorts, and voltage drops.
UNMATCHED POWER OUTPUT - Dominate your soundstage with 4500W RMS and 7000W peak power at 1 ohm stability.

The Skar Audio RP-4500.1D is a competition-grade Class D MOSFET monoblock amplifier delivering a massive 4500 watts RMS at 1 ohm and peak power up to 7000 watts. Engineered for serious audiophiles, it features advanced protection circuitry, oversized power terminals for maximum current flow, and a remote bass control for on-the-fly tuning. With precision EQ and filter controls, this amplifier ensures powerful, clean, and customizable subwoofer performance, making it a top choice for high-performance car audio setups.

Specifications

ASIN	B0788B8YP9
Best Sellers Rank	#1,174 in Electronics ( See Top 100 in Electronics ) #3 in Car Multichannel Amplifiers
Brand	Skar Audio
Brand Name	Skar Audio
Customer Reviews	4.5 out of 5 stars 154 Reviews
Global Trade Identification Number	00011922308457
Included Components	Bass Remote Knob and Wire Included, Skar Audio RP-4500.1D Monoblock Amplifier, User Manual
Item Dimensions	22.05 x 8.27 x 2.44 inches
Item Type Name	Car Amplifier
Item Weight	20.3 pounds
Item dimensions L x W x H	22.05 x 8.27 x 2.44 inches
Manufacturer	Skar Audio
Material Type	Semiconductor
Maximum Output Power	7000 watts
Model	RP-4500.1D
Mounting Type	Surface Mount
Number of Channels	1
Number of Items	1
Part Number	43217-166536
Specification Met	[Inferred: Fcc, Possibly Others]
UPC	011922308457
Warranty Description	2 Year Limited Warranty

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RP-4500.1D

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