The newly designed Alpine R2 series amplifiers are amazing. Hi Res certified, meaning they can playback hi res audio files, that other amplifiers can not reproduce. Also the new R2 series have a smaller footprint than previous models. If you love powerful, clean, detailed sound, the R2 are a great choice for you!
The A150M is a BEAST, at 1500 watts RMS. This thing will get your vehicle slammin'!