Insignia – 2-Way Indoor/Outdoor Speakers (Pair) – Black By Arthur - August 27, 2015 1041 Listen to music inside your home or while outdoors with these Insignia™ NS-OS112 2-way speakers, which feature 4″ polypropylene woofer cones and 1/2″ Mylar tweeters for handling a wide range of sound frequencies. Free Shipping on orders over $35