JBL Xtreme 3Portable waterproof speaker Spec General Specifications Output power (W) 2 x 25W RMS woofer + 2 x 25W RMS tweeter Audio Specifications Dynamic frequency response range (Hz) 53.
5 Hz - 20k Hz Dimensions Dimensions (cm) 29.
8 x 13.
6 x 13.
4 Dimensions (in) 11.
75 x 5.
35 x