... .1%Channel EQ High 10KHz±15dB LOW 100Hz±15dBFrequency response 20 Hz a 20 KHzWoofer 10''woofer,40 OZ,38mm VC,4OhmTweeter PIEZO ... .1%Channel EQ High 10KHz±15dB LOW 100Hz±15dBFrequency response 20 Hz a 20 KHzWoofer 10''woofer,40 OZ,38mm VC,4OhmTweeter PIEZO ...