KLH 45B 40 Watt 3-Way Indoor/Outdoor Multi-Purpose Speaker Pair with Brackets (Discontinued by Manufacturer) Deluxe 40 Watt 3-Way Multi-Purpose Bookshelf Spkrs. Weatherized for Outdoor Use 4" Dynamic Woofer; 1-3/4" Polycarbonate Done Midran 5/8" Mylar Piezo Dome Tweeter Suggested Amplifier Power: 5-40 Watts