Can a set of headphones be classified as a "quiet computing product"? They most certainly can compared to the alternative of blasting through a game surrounded by loudspeakers. Zalman is well known for quiet computing products and steps up front and centre (and rear) with Theatre 6 Real Surround Sound Headphones. Zalman claims to deliver that 5.1 surround experience, normally had with 6 speakers, in a set of headphones.