WideSphere™ Sound WideSphere™ technology was developed for the world renowned ‘Q’ Series Speakers. However, this incredible technology is now available in the Premium, Z-Line, X-Line, and Discus series car speakers …
MB Quart PWM304 Premium Series Car Subwoofer
When a brand like Mb Quart says, ‘This is the best sounding woofer we have ever built,’ you sit up and take notice. The woofer they are referring to is …