JBL Xtreme 4 Waterproof Bluetooth SpeakerPowerful 100W RMS speaker is portable, so you can use it on the go Features a 44Hz 20kHz frequency response and 80dB signal to noise ratio for excellent sound quality anywhere you bring it Two woofers, two powerful drivers and dual pumping bass radiators deliver dynamic, immersive sound to your entire party Fine tune your sound with multiple EQ presets options or use the customizable equalizer AI Sound Boost provides optimal sound quality, volume and