Better Music Builder CS-600 G2 will be an improvement upon the CS- 600. CS-600 G2 introduces the midrange frequency in its tweeters allowing even more dynamic sounds in your audio equipments. The CS-600 G2 is an evolution of the already established CS-450, CS-500, and CS-600 lines. With that history of excellent performance and satisfaction, CS-600 G2 is guaranteed not to disappoint. Remaining true to the previous CS-600 model, the CS- 600 G2 will use MDF (medium density fiber) wood for the external covering that improves your speaker's vocal clarity. It is covered with a glossy smooth piano style surface. The gloss finish will have protect your speakers and increase the aesthetic elements in your household.