LS545 speaker is the rare combination of sound quality and value. Boasting features of speakers superior in price, the LS545 combines the durability and great sound that you have come to expect from AudioSource.The LS LS 545 speaker is manufactured to resist a variety of weather conditions. However, they are not waterproof, so if you decide to place your speakers outdoors, position them so they are not exposed to the elements. The undersides of most eaves and overhangs provide the best protection for indoor/outdoor loudspeakers.