PRODUCT GRADING    Refurbished Pristine - The item shows no signs of wear. It is fully functional and has been professionally refurbished, inspected, tested and cleaned to pristine condition by qualified sellers. &gt; 12 Months Warranty  Retail Box    WHAT IS IN THE BOX      Orbitsound SUB S4 Wireless Subwoofer - Black   PRODUCT DESCRIPTION ﻿The Orbitsound SUB S4 Wireless Subwoofer - Black offers powerful bass performance with minimal setup. It includes a custom-engineered 4-inch down-firing driver and a dedicated 5-inch amplifier - combining to produce a deep, controlled low-end. The two-way Bluetooth connection ensures effortless sound and seamless streaming. Enjoy movie-theatre-level audio right in your own home.