Sony XB23 EXTRA BASS™ Portable Wireless Speaker - TaupeOverview Enjoy deep, punchy sound wherever you like with your Sony XB23 Portable Wireless speaker. Dual passive radiators work together with full range speakers to enhance low end tones, giving bass a boost. Warranty We value our customers and their experience of the products purchased from Techachi. All of the products are put through a rigorous process to accurately assess and assign the correct condition to each product. It is the first step in