Excellent condition no box or accessories just place your sub on top and enjoy. I have upgraded and needed the bigger xl version

Experience a more immersive and powerful sound with the ISOACOUSTICS APERTA SUB. This subwoofer isolator is designed to enhance the bass performance of your home audio system. Made by the ISOACOUSTICS brand, you can trust that this product is made with high-quality materials and advanced technology.

With a configuration of 1, this subwoofer is perfect for small to medium-sized rooms. The discaconnectivity feature allows for a seamless and clutter-free installation. The unit of measure is in units, and the type is a subwoofer. Get ready to feel the impact of this amazing product on your home audio experience.

See iso acoustics website for size and specs.