Definitive Technology StudioMonitor 45 High Performance Shelf/Stand Monitor Loudspeaker - Each (Black) Part Number: Studio Monitor 45 Type: Bookshelf Speakers Speakers Configuration: Stereo / Front Driver Units: One 5-1/4 BDSS bass/midrange drivers in vented enclosure; one 1 aluminum dome tweeter Power Rating: 150 Watts Frequency Response: 35Hz - 30kHz Nominal Impedance: 8 Ohms Sensitivity: 90dB
