Yamaha NS-AW150BL 2-Way Indoor/Outdoor Speakers (Pair, Black) - Wired Driver Type-5 Polypropylene Woofer. YAMAHA BLACK OUTDOOR SPEAKER2 WAY 100W Yamaha NS-AW150 35 W RMSSpeaker - 2-way. One pair of 2-way indoor/outdoor speakers Acoustic-suspension design for clear sound and taut, controlled bass response.120 watts maximum power capacity, 35 watts nominal 5-inch high-compliance, polypropylene, mica-filled woofer and .5-inch PEI dome tweeter; magnetically shielded and water resistant. Each speaker measures 5.41 x 10.125 x 6.16 inches (W x H x D)