Description
Product description
GPL-28B is a dual 8″ band-pass subwoofer from our GPL Series, engineered to deliver tight, controlled low-frequency reinforcement for compact full-range systems in fixed installations.
Featuring dual 2.5″ LF voice coil drivers in a precisely tuned band-pass enclosure, GPL-28B offers deep, musical bass response while maintaining a discreet footprint ideal for bars, clubs, and performance venues. The cabinet supports both Discrete and Parallel operating modes, providing installation flexibility depending on amplifier configuration and desired output.
Constructed from birch plywood and finished in durable black or white paint, GPL-28B is built for long-term reliability in demanding environments. 4 pole speaker connectors and barrier strip connections ensure secure and simple integration into professional audio systems.
Handling 400 W continuous (1600 W peak) power and achieving 135 dB max SPL at 1 m, GPL-28B delivers powerful, accurate low-end performance. FIR preset libraries and EASE .gll files are available to optimise system alignment with GPL full-range models.
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