The Bowers & Wilkins CCM382 is a set of built-in speakers that you place in the ceiling. Because the speakers have a waterproof design, you can use them both indoors and outdoors. Install them near your pool or on the patio and listen to clear treble and deep bass tones. The 25mm tweeter and 200mm woofer widely spread the sound throughout the room. This means you won't need to sit directly below your speaker to clearly hear the music. The speakers are 24.9cm wide and high and 8.5cm deep.