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🎵 Unleash the Power, Own the Road – Feel Every Beat Like Never Before!
The BOSS Audio Systems OX4.400 is a robust 4-channel Class A/B car amplifier delivering up to 1600 watts max output. It features bridgeable channels, variable bass boost, and a low-pass crossover for precise sound customization. Compatible with both low and high-level inputs, this amplifier is designed for professional installation and backed by a 6-year warranty, making it a reliable powerhouse for upgrading your car audio experience.
| ASIN | B07P6F55QQ |
| Best Sellers Rank | #50,789 in Electronics ( See Top 100 in Electronics ) #417 in Car Multichannel Amplifiers |
| Brand | BOSS Audio Systems |
| Color | Black |
| Customer Reviews | 4.2 4.2 out of 5 stars (603) |
| Date First Available | February 25, 2019 |
| Global Trade Identification Number | 00791489125857 |
| Item Weight | 6.4 pounds |
| Item dimensions L x W x H | 12.3 x 7 x 2.3 inches |
| Item model number | OX4.400 |
| Manufacturer | BOSS Audio Systems |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Other display features | Wireless |
| Output Power | 1600 Watts |
| Product Dimensions | 12.3 x 7 x 2.3 inches |
| Specification Met | FCC |
| UPC | 791489125857 |
| Whats in the box | Remote subwoofer control |
J**.
Pushing 2 15's no problem
Gotta say I'm impressed with this amp. I upgraded from a Boss 1500w due to my rca inputs going out, typical since the amp was 8yrs old and I put it through hell in those 8yrs. But this 4000w amp is legit, definitely worth the money. It's pushing my 2 15 Skars just fine, got them wired at 2ohms right now. Gonna drop it down to 1ohm and see how it's hitting. Very impressed and would recommend.
M**L
Enjoy!
Customer loved it sounds great.
A**R
Amazon is awesome!
The amp works great but the bass boost knobe does not work!
C**E
Great amp for price
While it isn't 4000w like the selection suggests. As long as you read the title and look at the pics you'll see it's 1600w which was just what I needed. Overall helps the subs a great amount. 2 kicker vr 12s and they really hit with it! My bass knob doesn't seem to function but other than that very happy with it!
I**Y
Lasted only 2 months
I purchased in the beginning of September and installed in October 2025. It was easy to install. It was working fine but all of a sudden while driving I smelled something burning and found out it was the amp. Waste of money as it’s only been 2 months.
J**E
Works well
It's a boss, so the performance ratings are well over exaggerated. But the led lit emblem is cool. Lol. It works well, for the subwoofer I was mating it to, so no complaints. It's a decent starter amp.
F**E
Untime and performance
Great quality works excellent and was delivered untime
B**3
NOT 1 Ohm STABLE!!!
NOT 1 OHM STABLE!!! I usually like Boss products, for the money, can’t complain… except for this one! Tried hooking up 4 10” MDX subs 4ohms each) and was distorting! Okay at 2 Ohms but definitely not a 1 Ohm amp! A bit of false advertising on this one. Try the Blaupunkt, I put one in… 4 10s are humming!!!
C**E
Facile à installer, fourni largement 500w rms, bien contant de mon achat
P**T
Sehr, sehr geil! Wenn ich in die Arbeit fahre, zeigen mir Opis die 50 Meter weit weg stehen nen Vogel weil alles vibriert 😂 so muss das... 👍💪💪💪
M**K
Bought this product a little nervous but absolutely amazing, the item was delivered super fast and great condition. Would definitely recommend this seller
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