car speaker for extremely loud sound Waterproof Bluetooth Box

5.0 BLUETOOTH CONNECTIVITY : No player required,Bluetooth wireless streaming receiver for a simple and hassle-free connection .Works with any bluetooth device. MARINE GRADE RATING: Design for High Power, Rust Proof Speaker Grills and Heavy Duty Engineered Plastic Cabinet ensure the speakers withstands severe outdoor environments.Wherever you are in the bathroom, swimming pool,SPA,finishing boat, You can enjoy the infinite pleasure of music without the interference of water. HIFI Dual speaker system: 4 inch 2-way full range speakers with 1 PEI Dome Tweeter, a Main speaker, Independent Digital Bluetooth Amplifier box bring you perfect sound effects. listen to the human voice will have a clear and full midrange, will have a loud high note, will have a natural sense of restoration of the scene, the entire sound field will be wider, the sense of space is stronger, these original car audio can not do. Car Speaker Tweeters Designed for using in any vehicle audio system,Loud sound and clear tone quality, high sensitivity, give you a good hearing enjoyment.