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About the B1
The REL Acoustics Britannia Series B1 subwoofer stands out for its exceptional speed, authority, and musicality despite its large 12-inch driver. It delivers powerful, visceral bass with precise transient response and low-end extension to 13Hz in-room at -6dB, ideal for high-end audio systems. Featuring a unique Acoustic Resistive Matrix (ARM) loaded enclosure with a 4.75-inch port, it uses a 500W DC-coupled MOSFET Class A/B amplifier. Connectivity includes high-level Neutrik Speakon, RCA, and XLR inputs with flexible gain options. Voiced for greater weight in the bottom register, it reproduces the air shudder of real bass instruments while retrieving subtle hall reverb. This flagship model from the Britannia series (early 2000s) is no longer manufactured.
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