DS18 PRO-ZT8 8” Water Resistant Mid-Range Loudspeaker with Built-in Bullet Tweeter and Grill 550W 4-Ohm Experience earth-shaking sound with the PRO-ZT8: a 2-way mid-range built for accurate reproduction, and full-range power—all packed into a rugged, water-resistant design. Insane PowerHandling an RMS power of 275W and a MAX power of 550W, the PRO-ZT8 reaches volumes that will take your breath away. With a 4-Ohm impedance for easy installation and an ultra-high sensitivity rating of 98dB, you’re
