Shopping Cart

Your cart is empty.

Your cart is empty.

Recoil DI550.4 Full-Range Class-D 4-Channel Car Audio Amplifier, 1,040 Watts Max Power, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable

Free shipping on orders over $29.99

$85.99

$ 36 .99 $36.99

In Stock

About this item

  • Class D 4-Channel Amplifier, 1040 Watts Max Power, RMS 130 Watts x 4 Channels@2 Ohm; RMS 80 Watts x 4@4Ohm; RMS (Bridged): 260 Watts x 2@4Ohm; Peak Power: 260 Watts x 4@2Ohm
  • Featuring a high-speed MOSFET power supply, premium grade internal components, as well as 4-way protection circuitry, the amplifier will safely operate at the highest levels of performance for hours on end.
  • 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 countless applications.
  • Highly efficient heatsinks keep the amplifier cool with a sophisticated new look.
  • Dimensions: 7.48" x 5.90" x 1.77"



Product Description

RECOIL

Recoil’s DI550.4 is a powerful, efficient, and highly reliable four channel Class-D full-range car amplifier. Capable of powering an entire aftermarket upgraded speaker system in a vehicle, 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 safely operate at the highest levels of performance for hours on end.

  • Class-D 4-Channel Amplifier
  • 4 Way Protection Circuitry: Thermal, Voltage, Speaker, DC
  • RMS Power at 2 Ohms: 130 Watts x 4 Channels (14.4v)
  • RMS Power at 4 Ohms: 80 Watts x 4 Channels (14.4v)
  • RMS Power at 4 Ohms (Bridged): 260 Watts x 2 Channels (14.4v)
  • High Speed MOSFET Power Supply
  • Input Sensitivity: PRE Input 0.35-3.5V, SPK Input 0.7-7V
  • Frequency Response: 10Hz - 30kHz
  • Signal to Noise Ratio: 95dB
  • Tri-Mode Capable / Bridgeable
  • Low Pass Filter (Variable): 50Hz - 750Hz
  • High Pass Filter (Variable): 10Hz - 200Hz
  • Fuse Rating: 60 Amp
  • Dimensions: 7.48" x 5.90" x 1.77"

chris drinnin
2025-08-28 10:50:15
I bought this amp for my 14 Silverado that has an aftermarket android with all new mid grade aftermarket speakers and this thing is loud I replaced a old Alpine 4 channel with this one big difference in sound quality believe it or not if you're looking for an affordable nice 4 channel amp this is it it's small powerful and it runs cool even when I have it cranked for awhile and it's inside my center console plus it's easy to adjust for sound quality
M0Stl0V3d
2025-08-17 18:43:54
Great little amp . Powers 4 door speakers perfectly sounds great . 2 recoil 6.5 and 2 6x9 blaupunkt
chrisben
2025-08-05 15:26:15
I did my research before purchasing, and people were getting higher numbers then the rated power. So that’s absolutely a plus considering most of the amps on here even the “best sellers” don’t even reach 25% of their rated power.Pros: very small footprint considering the output power. Good power, no lack in sound quality, very reasonable price, looks very nice.Cons: all spade connections, different setting for channels A and B.My “suggestions” (I guess?) I REALLY wish both channel A and B had matching frequency filters. I believe A caps out at 200Hz and B caps out at 750Hz. It would be nice if BOTH could be adjusted to 750, considering I wanted mine set at 500Hz on both channels. Hens the passive RCA filters on channel A..I thought it was weird that the positive terminal was on the inside rather then the outside, all the amps I have or have installed the positive terminal is on the outside. I may have had to go into my fuse drawer for a couple 30amps because I’m a creature of habit. Not really a complaint or suggestion, more of a “hey if you’re reading this check before you wire”.But overall, I am extremely happy with this amplifier. It has a MUCH smaller footprint then the old Alpine amp I was running, giving me space on my amp rack for more stuff in the future.I plan on purchasing a recoil monoblock in the future to give that a shot, and I’m very excited for that too!
Jeff
2025-07-16 12:46:03
i have had this amp for about 10 months now and it still continues to blow me away. it is everything i was hoping and more. the bass it produces is simply incredible. my entire system is recoil products, i am using this amp to power a recoil RW8D4 subwoofer, recoil REM65 component speakers, and recoil RCX65 coaxial speakers and it has all the power in the world and still a ton of overhead left over. i would recommend any recoil product to anyone. i have had absolutely zero issues and every day i am blown away by how great everything sounds. multiple friends who have spent a substantial amount more money on their system, mostly due to shop install versus doing it myself, but also their gear like memphis audio, sundown, jbl, ya know the more "1st class" gear everyone knows about, but even they were either pissed off because they spent so much to get a less end result, or they were just blown away by how good it sounds. im telling yall recoil is a fantastic company i have had absolutely zero issues since i installed myself. not one single time have i ever lost audio or have never had to remove trim pieces to fix something at the speakers. everything has just worked and worked extremely well
Brian C Reeves
2025-05-30 18:36:01
I put this in my daily driver f150. Sounds great with infinity reference 6x8’s. Plenty loud and clean. Small enough I tucked it up under the dash behind the radio. I’m going to get another one to replace a larger amp that is between the front seat and then I can replace my middle seat.
Stuart
2025-04-22 13:51:07
Nice head unit. Did an audio and stereo upgrade in 2012 F150 FX2 with Sync, without factory Sony and without Nav screen. I'm using it to power 4 Pioneer 80W RMS door speakers and front pillar tweeters. Just Barely managed to fit it in the dash behind the new 6.8" pioneer W3050NEX screen headunit. It's a Class D amp, so hopefully the heat is okay. I cut a mounting board and screwed the amp to that then fixed it inside the dash. Cut some air ports in the mounting board so it vents down to the open floor.
Nicholas Walter
2025-03-24 14:38:31
Does get a little hot but that is common for mostamps. This thing really kicks it does near rated power in my vehicle and the sound quality is amazing. Made my Kicker KS Door speakers go from terrible off the head unit to sounding crystal clear through the amp. For sure a budget amp and will go with their amps from now on.
a.wsome guy
2025-03-10 12:43:40
Hooked this thing up in my car with a full sound system, thing plays so loud with such clarity, the vocals can be heard with perfect clarity if I'm in the house and the car is on the street. At normal listening levels with 4 cheap pyle blue series speakers and no sub, it sounds AMAZING like theyre playing the music in the car. Awesome, especially for the price as well!
Lawrence S.
2025-01-17 19:17:49
For the price you can go wrong. Loved the size.
Pradeep T S
2024-12-21 09:03:49
Very campact. I have fitted it in the dash board behind anroid unit. Very good performance with focal speakers.