FourForty Backline is FM Systems’ brand for Musician Services standing Behind Every Musician.
Browse our used equipment eBay store for sound equipment from our rental inventory that we have for sale.
Drivers: 2 x 15" neodymium, weather resistant, magnesium die cast bracket w/ bass-reflex 4" coil
Low Frequency Limit: 30 Hz
Output: 143 dB
Net Weight: 83 kg (183 lbs)
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