The entirely new overall design of the Alpine Type-R speakers result in shallower depth design for fitment in almost any vehicle, ultra-efficiency, less distortion, and accurate sound. Hear those extra kicks and feel lower, tight end bass in your music right from your speakers! Play it loud and experience full, superb sound quality.Some systems can get loud but sacrifice clarity. Why butcher your music? Add Type-R speakers and prepare to enjoy your music. Type-R speakers deliver solid performance - superior linearity, efficiency, clarity, and great bass response, the Type-R speakers are the ones you deserve.Experience greater detail and impact of your music with the hybrid layered-pulp with mica coating woofer cone and new 1" ring tweeter. A new external network design with seven-level tweeter adjustment allows for precise tuning, while the hidden screw terminal gives a sleek appearance. Adjust the tuning of your speakers using the crossovers to individually perform fine adjustments of the tweeter level. Ultimately, get far more detail and bright and crisp sound reproduction for a great sounding, loud system.