Suitable for use in various settings, this pair of white Polk Audio Reserve Series R100 2-Way Bookshelf Speakers can handle 30 to 150W of power from your amplifier and are each equipped with a 5.25" polypropylene turbine woofer and a 1" Pinnacle Ring Radiator tweeter. They have a frequency response of 58 Hz to 39 kHz for enhanced treble and midrange reproduction and feature a rear-firing X-Port bass port. The built-in keyhole hanger allows for simple wall mounting, and rubber feet help reduce resonance for bookshelf or tabletop placement.