Sony SRS-XB100 Extra BASS Wireless Portable Compact Speaker IP67 Waterproof Bluetooth

EXTRA BASS Compact BLUETOOTH Speaker, A passive radiator works together with a full-range speaker to enhance low-end tones, giving bass a boost, A passive radiator works together with a full-range speaker to enhance low-end tones, giving bass a boost.Waterproof and dustproof with an IP67 rating and new UV coating for extra durability in the elements, you can take your speaker to the pool, the forest, the city, or wherever you’d like - the XB13 will keep on playing.