The CWM664 in-wall speaker features a 6" Glass Fiber Midbass Driver and 1" Soft Dome tweeter for outstanding clarity and bass. An equalization switch allows you to fine tune the sound for your room. The Quick Dog mounting system makes installation a breeze and easy on your arms. The grill and speaker can be painted to match the surrounding surface and a paint guard is included. Looking for better performance The CWM663 offers an improved midbass driver and aluminum dome tweeter for greater clarity and power. Bowers & Wilkins CI600 Series of in-ceiling and in-wall speakers improves on our CI300 range by combining next-level performance with innovative features that make them a breeze to install and fine-tune for personalized sound. Looking for a step-up in performance The CI700 Series offers improved parts quality and manufacturing techniques for improved performance.