Britannia B2

About the Britannia B2

The REL Acoustics Britannia B2 is a high-performance powered subwoofer featuring a 10-inch forward-firing woofer and a 300 watt DC coupled MOSFET amplifier. It is part of the Britannia series, which includes models B1, B2, and B3, all utilizing ARM loaded ports for enhanced bass response. The B2 model is balanced and equipped with multiple input connectors including Neutrik Speakon, twin phono inputs, and an XLR input, allowing versatile connectivity options. It has an input impedance of 100k Ohms for high-level inputs and 10k Ohms for low-level inputs, with gain control ranges of 80 dB. Weighing approximately 38 kg, the B2 is built with audiophile-grade electronics and solid construction, making it a substantial and robust subwoofer. It is praised for its ability to add subtle yet impactful bass weight, enhancing both music and movie soundtracks without overwhelming the main speakers. The B2 integrates well with a wide range of speakers, from high-efficiency SET tube systems to solid-state setups, and is capable of crossing over at very low frequencies (around 22 Hz) for deep bass extension. Its design and performance make it suitable for audiophiles seeking detailed bass depth and musicality in their systems.