Description
Down-firing, long-throw 8-inch driver
Delivers 115 dB (peak) of clean, powerful bass down to 40 Hz

Built-in low-pass crossover w/dual-slope filter
Creates a balanced subwoofer transition regardless of whether the speaker is driven from a full-range or a dedicated subwoofer amplifier channel

Dedicated-subwoofer-band multi-tap transformer
Allows the Control 89MS to be used in 70V and 100V distributed systems or driven directly at low impedance, for maximum versatility