Offering exceptional sound at an affordable price, the Boston Acoustics CS 23 II Two-Way 3-1/2-Inch Bookshelf Speaker is an ideal addition to your home theater or music system. It has been engineered with high-grade components to ensure stunning audio reproduction across a wide range of frequencies. A Kortec soft-dome tweeter offers crisp, high frequencies, while graphite-injected woofers deliver more bass response from less amplifier power.