Rel's T Series subwoofers are fab; they sound great and have excellent crossover and volume controls that allow for tuning to your space and system
They're very well made and will last, while the high level Neutrik Speakon connection means that (unlike most active subs) you can easily connect up to the classic stereo amplifiers that we love, that generally don't have a dedicated subwoofer output
There are four sizes to choose from, dependent on space available and your requirements in terms of scale of sound:
