Wide Dispersion. Enahces High FrequenciesPower: 150Wrms with 20 Ohm/10W shunt Frequency range: 6 kHz – 20 kHz Dimensions: 161 x 94 x 105mm Hole Cut-out: 60 x 130 Weight: 0.80 kg. A wide dispersion dual piezo horn. An easy way to enhance high frequencies on any speaker system. This horn can also be used as a replacement tweeter in the JB Systems TXS10 loudspeaker cabinet.. dual flare pizeo horn