Polk Audio LSiFX

The Polk Audio LSiFX is a bookshelf speaker designed to be used in rooms to provide an exceptional sound wherever its placed in the room. The premium Polk Audio model has two 5.25-inch aerated polypropylene woofers and two 1-inch ring radiator tweeters that both have Dynamic Balance technology that helps it create a sound that's clear and loud.

It also has a Bipole/Dipole switch that lets owners use the speaker to the sides or rear of the listening area. Additional features for the bookshelf speaker include Dual PowerPorts for a strong bass response and High Power Handling for amplifiers up to 200 watts per channel.