Complete 5.0 Home Theater Speaker System, Contemporary Design, 2 x S 803 Bookshelf Speakers, 2 x S 801 Speakers for Surround Sound, 1 x S 81 CEN Center Channel Speaker, Dolby Atmos Ready for S 8 ATM Speakers. Equipped with a 10” polyfiber woofer and a 150W class D amplifier, the Jamo Studio S 810 SUB delivers dynamic, powerful bass in any listening environment – from full cinema surround systems to critical 2-channel listening.