Diesel Audio NSH-53 2 WAY 6.5" Indoor/Outdoor Wall Mount Stereo Speaker (Each) 2-Way, 6 " woofer SOLD INDIVIDUALLY The NS-H53 is a 2-way speaker in the high-quality Autra Series The NS-H53 is designed for critical listening, and is the ideal choice for medium to large rooms. Recommended Power: 100 Watt (peak) Efficiency: 89dB