Introducing the VTF-2 MK5, the epitome of affordability and value in the renowned HSU lineup. This subwoofer is designed to cater to budget-conscious enthusiasts without compromising on quality or performance. Most affordable and budget-friendly subwoofer  One of the smallest subwoofers so it works well in tighter spaces, yet doesn’t compromise on quality Better performance below 20 Hz frequency than the ULS-15 MK2 Plays lower in extension over the ULS-15 MK2 Variable tuning provides more flexibility and allows customers to choose lower bass or higher output capabilities - it’s like having three subwoofers in one!