Get Upto $20 Discount On Insignia Speakers At Bestbuy.com. Listen to music inside the home or while outdoors with these Insignia 2 way speakers, which feature 4" polypropylene woofer cones and 1/2" Mylar tweeters for handling a wide range of sound frequencies. It can handles up to 60 W peak power for robust and controlled audio that is crisp and clear. The 2 way speaker system sounds like 1 source rather than several separate sources. The adjustable mounting brackets and hardware allow simple installation. It has 84 dB sensitivity for handling high and low frequencies.