Power Up! Save Space: Good things come in small, stackable packages. Who knew something so small could pump so much power? The Alpine marine PDX series amplifiers are for the true audio enthusiast - for those who want the best power, sound quality, and efficiency, all from a compact size. Get the most out of your system with Digital PDX.
Unprecedented Sound Matching & Accuracy: A highly effective Powerful Feedback Circuit accurately compares the amplifier's output against the original music signal. If there are any differences found between the two, the feedback circuit automatically removes the distortion in real-time! This keeps your music true to the original recording without added distortion or filter noise.