Technical Pro ZXP-18 (Technical Pro ZXP18)Technical Pro"s groundbreaking new approach to industrial design incorporates advanced technology and striking good looks with rugged construction and a long list of features, providing years of audio enjoyment.200 oz. magnet Frequency Response: 25Hz-2kHz 4000 watts peak power 8 OhmsInputs: Bare wire terminals15 die cast aluminum, 5 voice coilSensitivity: 98 +/-2dB