The Polk Audio TSi100 are high performance bookshelf speakers from Polk Audio's TSi series with a power output of up to 100 watts. The speakers feature a 5.25" bi-laminate composite dynamic balance driver and a 1" fabric/polymer composite dome tweeter with a Neodymium magnet to deliver high efficiency, detailed high frequency response, and powerful bass. They are designed with a non-resonant all-MDF enclosure with a 3/4" baffle for clearer sound quality and have a critically tuned flared ported design to minimize to minimize port noise. The TSi100 have built-in keyhole wall mounting brackets, are available in either black or cherry wood grain finish, and come with a 5 year warranty. They are the smallest and least powerful of Polk Audio's TSi series.