Pioneer SP-BS22A-LR Andrew Jones Designed Dolby Atmos Bookshelf Speaker (Black) Highly acclaimed and award winning series of speakers 4 Structured Surface Woofer with oversized magnets and vented pole pieces for improved bass response High Efficiency Soft Dome Tweeter for smooth high frequency reproduction even at high volume levels 6 Element Complex Crossover perfectly blends audio between the woofer and tweeter for greater accuracy Fully Integrated Top Firing Concentric Driver for Dolby Atmos and DTS:X speaker configurations.Dimensions(each with grill):(W X H X D inch):7-1/8" X 14-5/16" X 8-7/16"