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

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

Product ID: 20785785

Details

Brand
Skar Audio
Item dimensions L x W x H
19.5 x 7 x 3
Manufacturer
Skar Audio
Maximum Supply Voltage
12
Mounting Type
Surface Mount

⚡500W MOSFET Power

🔊125W RMS @ 2Ω per channel

🎚️User-tunable EQ & Filters

Description

🎵 Elevate your drive with power and precision — don’t just listen, experience every beat!

EFFORTLESS INTEGRATION - Supports 4 channels at 125W RMS each (2Ω) or 75W RMS each (4Ω), ideal for powering front and rear speakers with zero distortion.
ROCK SOLID RELIABILITY - 4-way protection circuitry ensures your investment stays safe from overheating, short circuits, and overloads during marathon listening sessions.
SLEEK DURABLE DESIGN - Compact 19.5 x 7 x 3 inch aluminum chassis with 8-gauge power terminals for maximum current flow and long-lasting performance.
PRECISION SOUND SCULPTING - Dial in your perfect audio with adjustable gain, variable low/high pass filters, and a bass EQ switch offering +0, +6, or +12 dB boosts.
POWER THAT COMMANDS ATTENTION - Unleash 500 watts of clean, class A/B amplification to energize your entire car audio setup with crystal-clear sound.

The Skar Audio RP-75.4AB is a 4-channel, 500-watt class A/B car amplifier featuring a high-speed MOSFET power supply, adjustable gain and crossover controls, and advanced 4-way protection circuitry. Delivering up to 125 watts RMS per channel at 2 ohms, it offers versatile, distortion-free sound tuning for upgraded vehicle audio systems, all housed in a compact, durable design with premium internal components.

Specifications

ASIN	B00TKF53LC
Best Sellers Rank	#1,259 in Electronics ( See Top 100 in Electronics ) #1 in Car Mono Amplifiers
Brand Name	Skar Audio
Customer Reviews	4.6 4.6 out of 5 stars (861)
Global Trade Identification Number	00760999042718
Item Dimensions	19.5 x 7 x 3 inches
Item Type Name	Car Amplifier
Item Weight	7.4 pounds
Manufacturer	Skar Audio
Material Type	Semiconductor
Maximum Output Power	500 watts
Maximum Supply Voltage	12 volts_of_direct_current
Model	RP-75.4AB
Mounting Type	Surface Mount
Number of Channels	4
Output Power	500 watts
Part Number	RP-75.4AB
Specification Met	FCC
UPC	760999042718
Unit Count	1 Count
Warranty Description	2 year limited warranty

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