This stylish 2-way loudspeaker reproduces a Hi-Fi sound quality and has a wide dispersion. The ABS housing is painted in gray and looks like a “rock” This makes the ROCK608 inconspicuous in your garden, recreation park, swimming pool,.... The complete loudspeaker (the plasticized brass wire included) is wheaterproof. The ROCK608 can be used with a standard stereo amplifier. Type : 2-way Woofer: 6.5" enforced polypropylen, rubber edge Tweeter: 1" mylar Impedance: 8 Ohm Rated power AES Rated: 40 Watts Music - Program: 60 Watts Dynamic Peak (lo-cut): 100 Watts SPL 1w/1m: 93dB Maximum SPL : 106 dB Frequency Range : 60 Hz - 20 kHz Dispersion : 1KHz: 180° 4KHz: 80° IP Rating : IP-64 Dimensions (H x W x D)260 x 200 x 280 mm Weight : 7.2 Kg