MODEL | SRSXB23B   Enjoy powerful sound anywhere Enjoy deep, punchy sound wherever you like with your EXTRA BASS speaker. Dual passive radiators work together with full-range speakers to enhance low-end tones, giving bass a boost. Where will you take yours? Whether you’re camping with friends or relaxing in the park, the compact and lightweight SRS-XB23 fits into your plans as easily as it fits into your bag.  X-Balanced Speaker Unit  Developed by Sony, the X-Balanced Speaker Unit achieves high sound quality and powerful sound pressure for a richer, deeper, more rewarding listening experience. Dustproof, waterproof and washable With an IP67 rating, you can take your speaker to the beach, the forest, the desert – the SRS-XB23 will keep on playing, no matter how dusty the surface. It’s waterproof and salt water resistant too – no worries by the sea or the pool – and there’s no problem washing it either Long battery life Up to 12 hours of battery life means the SRS-XB23 can party even longer than you can. Even in EXTRA BASS mode, you can party for up to 10 hours. Speakerphone for hands-free calls The speakerphone function offers a convenient way to talk hands-free, whether it’s a conference call for work or a chat with friends.