5.1 is apparently the most commonly used layout in home cinema and the standard surround sound audio component of digital broadcast and music as well. (pocketnow.com)
The military - grade, rugged design protects the premium audio components from rain, dust, debris, sweat and even a rinse under the tap at the end of workouts. (techwelike.com)
Fortunately, you no longer have to sacrifice sound for size when selecting home audio components. (digitaltrends.com)