Bass. Some people can't get enough of it. Whether it's for extra rumble in those Hollywood action movie scenes or more low-end from your favourite bass beats, a dedicated subwoofer is what you need. Up to £700 B&W ASW610 Our Rating Read the full review » Best subwoofer up to £700. The B&W ASW610 sounds bigger than it looks and more expensive than its price-tag. £700+ Velodyne SPL-1000 Ultra Our Rating Read the full review » Velodyne's SPL-1000 Ultra subwoofer is another star.