Fill your room with beautiful music using this pair of Premium 4-inch 2-Way Bookshelf Speakers from Monoprice!These 2-way, bass reflex speakers each feature a 4 polypropylene woofer with rubber surround and a 0.75 dome tweeter. They boast a 60 Hz ~ 20 KHz frequency response range and an 87dB sensitivity.These speakers are rated for 6 ohms nominal impedance and can handle up to 80 watts of power. The crossover is set to 3.5 KHz for a smooth transition between the low and high frequencies. They feature 5-way binding posts, which can accommodate banana plugs, pin plugs, spade lugs, inserted bare wire up to 12AWG, and wrapped bare wire. For best results, Monoprice recommends the use of banana plugs.*** 30-day easy returns. No restocking fee. Free lifetime technical support. 1 year warranty. ***