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🎵 Unleash Your Ride’s True Sound Power — Don’t Just Drive, Dominate!
The Rockville dB55 is a 5-channel car amplifier delivering 4000 watts peak and 2000 watts RMS power with CEA-compliant ratings. Featuring advanced Class AB+D technology, fully adjustable crossovers, and robust protection circuits, it offers professional-grade sound customization and reliability. Designed for 2 or 4 ohm stable setups, it powers 4 speakers plus a subwoofer with precision and clarity, making it a top contender against premium brands at a value-driven price.


| ASIN | B0728K1GD4 |
| Best Sellers Rank | 112,640 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 59 in Car Multichannel Amplifiers |
| Box Contents | Amplifier |
| Brand Name | Rockville |
| Customer Reviews | 4.3 out of 5 stars 661 Reviews |
| Item Type Name | Car Amplifier |
| Item Weight | 6.53 kg |
| Manufacturer | Rockville |
| Manufacturer Part Number | dB45 |
| Model Number | dB45 |
| Unit Count | 1.0 count |
J**I
pretty darn good
i got 4 speakers that are 110w rms 4ohm this amp does 80w rms 4ohm but it sounds good i also have a 1000w sub and i'm quite happy handles it super well just make sure you have a strong 4 gauge ground and 12V i also went with a 200amp fuse at the battery
K**T
If I could give 6 stars? I would.
I went in on this with hesitation given some of the other reviews. I have been installing my own car audio since 1996. This amp went into my daily driver 2004 Trailblazer. The stock radio was trash, only one speaker worked. I installed a Sony XAV-AX8000 head unit and kicker 6.5 coaxials in all 4 doors. It was decent. At least all four speakers worked. I've never been a huge fan of Sony head units? But I got a great deal on it. I decided to grab up this 5 channel amp after watching an amp dyno video on YouTube. It seemed like it would fit the bill nicely to power my 6.5"s and a single 12" sub. I literally just finished installing the amp, the subwoofer isn't even installed yet. I'm hearing sound quality that I would easily compare to my JL amps that are installed in my other vehicle. I had a Hertz 4 channel a few years back and this really reminds me of it. If you set the gains properly, you don't try to destroy your speakers with it, and have at least a moderate level of knowledge in car audio install? (Clean ground, power down one side of the vehicle, signal down the other, properly sized copper wire for power) You'll be super impressed by the sound quality of this amp. My front stage (front area of the vehicle) is superb and this is only a daily driver. I can't speak to longevity just yet? But I'll definitely update the review in 6 months or so. For the price though? This amp is a complete beast. Completely satisfied with this purchase. Update: Hooked up the subwoofer which is a shallow mount 12" single voice coil, in a .7 cubic foot box currently. Not ideal for an SUV? But it still sounds robust and full. The amp has no issue pushing this 450w RMS sub, and I only have the gain set to about a quarter of the dial. This really is an impressive amp! When I finish building my downfire sub box with passive radiator, I'll update this update.
Z**N
Does what it is rated for.
Nice 5-channel amp. It does not have any built-in fans so you have to rely on external sources to cool it. The whole body acts like a large heatsink which makes it difficult to cool if trying to hide this into a small space. The only complain I have is with the Bass control remote and not the amp. The little blue LED power light on the remote was way too bright and it burned itself out within 2 weeks of installation. I am fine with it since the light was annoying me too much but I can see it might be a problem for someone else.
C**F
Lo hace muy bien, por el precio.
En temas cualitativos me hace extrañar un poco al JBL que ha reemplazado. Pero es justo decir que hace el 85% del trabajo con el 40% del costo. Vale la pena! Que no me gusta: las conexiones de bocinas, especialmente la del SW que es del mismo tamaño que el resto de las bocinas, son muy pequeñas. Eso hace que conectarlo sea muy laborioso. Es necesario subir a la parte alta los controles de volumen del amplificador, aprox el 80% para tener la respuesta del ampli anterior (un GTO 5500); pero no llega a la saturación tampoco. Tiene una estructura de plástico a los lados que considero innecesaria y porque aumenta el tamaño sin agregar mayor valor y eso dificulta su instalación si el espacio es reducido. La potencia del SW es muy adecuada y no se queda corto. Hasta ahora ha aguantado los abusos del alto volumen sin protestar. Tiene un timbre particularmente agudo (nadie escucha esto solo yo, es justo decirlo también) y pienso que esto sacrifica un poco la respuesta de los medios que, con un poco de equalización de mi DSP, queda impercetible... (al menos para todos los demás). Una excelente opción económica para tener un sonido de buena calidad.
V**!
Rockville ROCKS!!
Installed this item into car with no problems. Packaged very well. This amp KICKS!!!! 5 Channel, with 3 outputs on the deck and 7 speakers! Wow!!
Trustpilot
2 months ago
5 days ago