The Massive Audio PX3000.4 350w X4 Full range Amplifier is a high-quality car audio amplifier designed for enthusiasts seeking powerful and reliable sound performance. With its RMS power output of 350W, this amplifier is capable of delivering crisp and clear sound across the entire frequency range. The Massive Audio brand ensures a commitment to quality and performance, making it a great choice for those looking to upgrade their car audio system with a dependable and powerful amplifier.

The RCA inputs do have a little bit of noise. I would definitely have it sent out to get looked at but it does play all four channels