This JBL Cinema SB170 2.1 Subwoofer is a sleek and powerful audio accessory designed for enhancing home entertainment systems. With a rectangular shape and a black color, this subwoofer is compatible with JBL speakers and can be easily integrated into any home setup. Its Dolby Digital surround sound format combined with Alexa smart home compatibility ensures a high-quality audio experience with convenient control. The subwoofer boasts a 170W RMS power output and features Bluetooth connectivity for added flexibility. Backed by a 1-year manufacturer warranty, the JBL Cinema SB170 is a reliable choice for upgrading your home audio system.