Can i run 8 speakees on this?

I currently run six on just 2 channels. Pay attention to the ohm load and properly set gains with a multimeter prior to playing.

What size fuse this amplifier carry

For every 100 watts of RMS power, you will want a 10-15A fuse. So if you have a 1,000RMS watt amp, I would run 125A-150A fuse.

Would this amp be appropriate for skar audio vxi65 360-watt 6.5" 2-way component speaker system?

This is a class A/B 4 channel amp. It works great in your application.

Will this amp power 4 skar audio sk 6x9s good i got 2 skar audio vvx 15s on a skar rp 2000.1d and i don’t want the bass to drown out the voice

Yes, this amp is shouldn't be your concern. I'd be worried about those 6x9s handling this amp. I say that because though I really like Skar I've had no luck with their 6x9s. Good news is I haven't owned these sk 6x9s so you may be in luck. This amp is powering a pair of audiopipe CSL-6904 6x9 & a pair of Infinity KAPPA-93iX 6x9s in my car with a Skar EVL-15 pushed at 1 ohm with an audiopipe 1500w monoblock & fixing to strap it. The clarity of the 6x9s are wonderful at any level.

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🎵 Unleash Your Drive’s True Voice with Skar Audio Power!

TAILOR YOUR SOUNDSCAPE - Customizable gain, variable low/high pass filters, and bass EQ switch let you craft your perfect audio vibe.
SLEEK COMPACT POWERHOUSE - Surface mount design with durable aluminum and steel housing fits seamlessly into any car setup.
FULL RANGE FREQUENCY MASTERY - Wide 20 Hz - 20,000 Hz frequency response captures every beat and nuance with precision.
POWER THAT COMMANDS THE ROAD - Delivers a robust 125W RMS per channel at 2 ohms for crystal-clear, high-impact sound.
BUILT TO LAST BUILT TO PROTECT - Advanced 4-way protection circuitry ensures your amp stays safe from overheating, short circuits, and more.

The Skar Audio RP-75.4AB is a 4-channel Class A/B car amplifier delivering up to 500 watts of power. It features adjustable gain, variable low/high pass filters, and a bass EQ switch for personalized sound tuning. With a frequency response spanning 20 Hz to 20 kHz and a high signal-to-noise ratio of 105 dB, it ensures clear, dynamic audio. Built with robust 4-way protection circuitry and a compact, durable design, this amplifier is engineered for reliable, high-performance car audio enhancement.

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Item dimensions L x W x H	49.5 x 17.8 x 7.6 Centimeters
Voltage	12 Volts (DC)
Manufacturer	Skar Audio
Maximum Supply Voltage	12 Volts (DC)
Mounting Type	Surface Mount
Brand	Skar Audio
Number of Channels	4
Output Power	500 Watts
Specification Met	FCC
Material	Aluminum, steel, plastic
Global Trade Identification Number	00760999042718
UPC	760999042718
Model	RP-75.4AB
Model Name	RP-75.4AB
Product Dimensions	49.53 x 17.78 x 7.62 cm; 3.36 kg
Item model number	RP-75.4AB
Number of items	1
Batteries Included	No
Batteries Required	No
Does it contain liquid?	No
Item Weight	3 kg 360 g

Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier

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