The 4591C is BMS’ latest-generation 2-inch exit midrange compression driver, featuring a 3.5-inch voice coil and a large annular ring diaphragm. The unit is designed for high power handling (up to 150 watts AES), high-output applications, with a 200 Hz to 9 kHz bandwidth. Both 8- and 16-ohm versions are offered. Weight is 13.2 pounds; mounting is via four M6 holes on a 4-inch diameter.
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