Search  for anything...
Skar Audio

Skar Audio RP-150.4AB 1,000 Watt Full-Range Class A/B 4 Channel Car Amplifier

  • Based on 7,732 reviews
Condition: Used - Acceptable
Checking for inventory...

Notify me when this product is back in stock

$169.99 Why this price?
Save $17.00 was $186.99

Buy Now, Pay Later

As low as $28.33 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Unavailable
Fulfilled by SKAR AUDIO
Available payment plans shown during checkout

Recently Viewed

Size: 1000 Watt Class A/B 4-Channel


Features

  • 1,000-Watt MOSFET 4-Channel Class A/B Power Car Amplifier
  • RMS Power at 2 Ohms: 250 Watts x 4 Channels
  • RMS Power at 4 Ohms: 125 Watts x 4 Channels
  • 4 Way Protection Circuitry | Frequency Response: 20 Hz - 20, 000 Hz
  • Signal to Noise Ratio: 105 dB, 4 Gauge Power and Ground Input Terminals

Description

The Skar Audio RP-150.4AB is a powerful, efficient, and highly reliable four channel class A/B full-range car amplifier. Ideal for powering an entire aftermarket sound stage in a vehicle, this amplifier packs some serious punch with it's conservative RMS power rating of 250W x 4 channels. it packs the power that will allow you to get loud and let your speakers come alive. Featuring a high speed MOSFET power supply, premium grade internal components, as well as 4-way protection circuitry, the amplifier will operate at the highest levels of performance for hours on end safely. With a depth of adjustable user controls such as the gain, lpf, hpf, crossover, and bass eq, this amplifier is extremely versatile and can be used in so many applications. These advanced user controls will allow you to dial your sound in exactly as you want for perfect clarity, whether running active components or speakers with in-line crossover networks. The class A/B circuitry design of this model allows it to amplify your audio signal with maximum clarity and sound excellence, all while being extremely efficient. Features large 4 gauge power and ground input terminal connections for maximum current flow.

Item dimensions L x W x H: 24.5 x 7.5 x 4 inches


Voltage: 16 Volts


Manufacturer: Skar Audio


Mounting Type: Surface Mount


Brand: Skar Audio


Item dimensions L x W x H: 24.5 x 7.5 x 4 inches


Voltage: 16 Volts


Manufacturer: Skar Audio


Mounting Type: Surface Mount


Brand: Skar Audio


Number of Channels: 4


Output Power: 1000 Watts


Specification Met: FCC


UPC: 767408281393


Product Dimensions: 24.5 x 7.5 x 4 inches


Item Weight: 9.8 pounds


Item model number: RP-150.4AB


Is Discontinued By Manufacturer: No


Date First Available: May 20, 2016


Frequently asked questions

This product is currently out of stock. Please check back later for shipping info.

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Great quality
Size: 1200 Watt Class D Monoblock
So far so good. A truly 1 ohm stable amp. Great customer service. Thru a previous experience not on Amazon. But with the company direct. And it wasn’t their fault. That’s on fed-ex. Quality amp at a great price. From someone who has been into car audio for 36+ years.
Reviewed in the United States on January 8, 2026 by Cowboy C
    • Nice amp
Lot of bass works great for the price
Reviewed in the United States on February 12, 2026 by Amazon Customer
    • Knocking pictures off the Wall
Size: 1000 Watt Class A/B 4-Channel
Well knock the panties off of none it pushes so hard it sounds great the volume can crank up pretty high it's durability is tough to heat resistance is great
Reviewed in the United States on February 18, 2026 by Daniel Mitchell
    • Skar Audio RP-1200.1D Review: Bringing My System to Life
Size: 1200 Watt Class D Monoblock
I recently upgraded my car audio setup with the Skar Audio RP-1200.1D Monoblock Class D MOSFET Amplifier, and let me tell you—this amp is a game changer. I paired it with two Sony Xplod 1200W subwoofers that have been in my family for years, and somehow, in 2025, they’re still hitting like they just came out of the box. This amp truly unlocked their full potential, delivering clean, hard-hitting bass that shakes the trunk in the best way possible. The RP-1200.1D doesn’t just claim power—it delivers it. From deep, rumbling lows to tight, punchy kicks, the output is consistently powerful and distortion-free, even when pushed hard. And for the price? It’s an absolute steal. You’re getting serious wattage and reliability without breaking the bank. Beyond just bass, I also have two JBL Concert Series speakers in my front doors, and the clarity is breathtaking. Whether it's crisp highs, smooth mids, or deep lows, my system now has a perfect balance between power and precision. The combination of Skar’s raw power and JBL’s crystal-clear detail has completely transformed my listening experience. If you’re looking for an amp that delivers serious power without draining your wallet, the Skar Audio RP-1200.1D is an easy recommendation. It’s proof that you don’t need to spend a fortune to get rich, room-filling sound that makes every drive an experience. ... show more
Reviewed in the United States on March 20, 2025 by Alejandro Nunez
    • Throws hard punches but is NOT GOOD for LOW HZ
Size: 1200 Watt Class D Monoblock
EDIT: I gave this one more star due to the fact this amp does work well and does last. Its a good build quality I did not expect from SKAR. I have used it every day (almost) for the past 9 months, often at near full volume with everything vibrating and flexing, paired with ONE Sundown SA-12. I still stand behind my statement about this not producing very low Hz like I was used to with my old class A/B amp, and it is absolutely noticeable on certain songs. I have done many low Hz tests and this amp just does not hit certain ones. It does get extremely loud though and hits well. That being said, its still a great amp and was built to last under above average consistent usage. I purchased this amp to replace my vintage KOLE Audio amp and wired it to one Sundown SA-12. The SKAR 1200 has very "punchy" bass but does not get very low. My old KOLE amp that had half the power of this hit lows soo good and you could feel the low bass. With this SKAR you do not get that at all, I am very disappointed. For that reason I may be returning this. The only difference I can see is the old KOLE is a CLASS A/B and this SKAR is a CLASS D. Not sure if that has anything to do with my loss of lows but it should not. I have everything tuned correctly and it still misses the low HZ. Back to square 1 now. Any suggestions? All in all this is a decent amp that has power, but if you want something that gets low and has clarity keep looking! ... show more
Reviewed in the United States on June 12, 2019 by KoolCat
    • awesome
Size: 2000 Watt Class D Monoblock
Review Image by Melinda Rowland Melinda Rowland
literally nothing bad to say about this amp, i loved the way they packaged it because they kept it very safe and in no way of harm. i loved the overall look and quality of the amp. bass knob is pretty cool too and it really bumps. one problem i had with a previous amp was overheating and this skar amp just eats, it doesnt even get hot. highly recommend ... show more
Reviewed in the United States on December 12, 2025 by Melinda Rowland Melinda Rowland
    • na
Size: 2000 Watt Class D Monoblock
Good product!! Great buy!!
Reviewed in the United States on January 10, 2026 by Robert Kimsey
    • Insane bass for the money, easily pumps a pair of 12s
Review Image by John John
Review Image by John John
Review Image by John John
Review Image by John John
Review Image by John John
I’m running the Skar Audio RP-1500.1D on two Pioneer TS-A3000LS4 12" subs (4Ω SVC, 400W nominal each). Wired in parallel for a 2Ω load, this amp is rated 930W RMS @ 2Ω, which is basically perfect for this setup, and it absolutely slams. What I like: Hits HARD, stays clean: Bass is tight and punchy, with way more output than I expected from a “budget” mono amp. Easy to dial in: The onboard controls (gain/LPF/subsonic) make it simple to get the subs blended without sounding boomy. Remote bass knob included: Super convenient to tame it for everyday driving, then crank it when you want to show off. Solid build / practical features: 4-gauge power/ground terminals and protection circuitry give peace of mind once everything’s installed properly. Fits nicely in a tight space! Worth noting: Like any real sub amp, it rewards a solid electrical setup (good power/ground, clean signal, proper tuning). Once it’s set correctly, it just goes. If you want strong, chest-thumping bass without spending crazy money, this thing delivers. My two TS-A3000LS4s kick HARD on this amp and it’s been a great match. ... show more
Reviewed in the United States on December 30, 2025 by John John

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for inventory...