The bass on the Pyramat PM450-WR Gaming Chair is so huge and the sound is so clear you'll feel like you’re literally in the game or movie. Hear every footstep, and feel every crash, punch or shot as the built-in 50 Watt booming 5” Powersub™ subwoofer sends vibrations right through you. The two full range 12 Watt ARX™ high performance speakers create a personal surround sound effect to accelerate your gaming to the next level. There are a number of Gaming Chairs available as manufacturers continue to develop and enhance them. The built-in audio system really brings the video gaming experience to life. Boost your sound from all of your portable devices: including all iPod, MP3 players, PSP and Nintendo DS units. These fantastic game chairs give gamers a complete new experience to enjoy as they both hear and feel the sound when playing their favorite video games.