The Polk Audio TSi200 bookshelf speaker is the best performing bookshelf speaker in the TSi series; great for use where high quality audio is needed. The dual 5.25-inch mid-bass produce rich and warm sounding making your music and movies sound their best. The new TSi Series is a quality-built, affordable line of high performance loudspeakers for music and home theater. The TSi Series boasts a stylish look that complements today’s flat screen technology, with wood grain finishes, piano black top plates and pewter trim rings. Built for value and sound quality, the TSi Series is a great introduction to high performance sound.