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!

The new VTF-3 MK5 HP sets a new standard for high-end performance at an affordable price point. It’s earned its reputation as one of the best value ported 15" subwoofers on the market.

• Customer favorite and best seller 
• Smaller enclosure than the VTF-15H MK2 (4” less depth) and lighter, but nearly identical in performance for the majority of audio material
• Plays significantly louder and cleaner in the deeper bass over the ULS-15 MK2 for just a small increase in price.
• Output is equivalent to two VTF-2 MK5’s across the board at frequencies above 25 Hz 
• Most inexpensive ported 15” subwoofer in our offerings (of 2)
• Identical performance to the VTF-15H MK2 from 25 Hz on up
• Considered one of the best value ported 15” subwoofers
• For those who are worried about the size, it’s been designed to remain shorter than typical sofas so it can double as an end-table.
• Offered in a smooth satin black painted finish

Introducing the ULS-15 MK2, the renowned musician's companion subwoofer that has garnered immense popularity in music recording studios and various other contexts.

• Well-known for being a musician’s companion subwoofer
• Most popular subwoofer for music and cinematic recording studios
• Smallest subwoofer in the HSU lineup
• At its price point, the ULS is the best performer of the industry’s sealed subwoofers
• Better performance from 25 Hz on up over the VTF-2 Mk5 (like having two VTF-2 Mk5’s put together when it comes to mid-bass slam/punch)
• Mid-bass performance is fairly similar to VTF-3 Mk5 HP and VTF-15H MK2
• Most affordable 15” HSU subwoofer
• Balanced XLR inputs to protect their signal from noise caused by RF interference, RMI, etc for common usage in high-end audio and professional audio (studio, live sound environments)
• Packs a lot of performance despite the smaller enclosure
• Smooth satin black painted finish
• Note: Magnetic Grille has been discontinued.  New orders will receive peg grille. 

Status Update: Discontinued. The VTF-15H MK2 has been replaced by the new VTF-TN1. Please click here for more information.

The VTF-15H MK2 is our flagship and highest-performing subwoofer designed for the ultimate home theater experience. With its exceptional capabilities, the VTF-15H MK2 stands as the pinnacle of performance in the HSU lineup.

• Most popular subwoofer for home theater
• Highest performing subwoofer that excels in output capability, especially in the deeper bass
• Larger enclosure than the VTF-3 MK5 HP, so more efficient in the deeper bass
• Larger ports at a lower tuning than the VTF-3 MK5 HP, so it not only plays louder and cleaner with sub 20 Hz bass (less port noise), but also plays lower 
• Plays significantly louder and cleaner than the VTF-2 MK5 across the board (like having two of the VTF-2 MK5’s put together) without distortion.
• Plays significantly louder and cleaner than the ULS-15 MK2 in the deeper bass (like having two ULS-15 MK2’s put together) without distortion.
• Balanced XLR inputs to protect their signal from noise caused by RF interference, RMI, etc for common usage in high-end audio and professional audio (studio, live sound environments)
• Offered in a smooth satin black painted finish or a real-wood veneer rosenut finish
• For those who are worried about the size, it’s been designed to remain shorter than typical sofas so it can double as an end-table.