Parasound Halo Series A-51 5 Channel Power Amplifier

Halo Series A-51 5 Channel Power Amplifier Power up your surround sound system Parasound's Halo A 51 amplifier offers outstanding power for the front left/right/center speakers and a pair of surrounds in your home theater system. The amp delivers 250 watts per channel with all five channels driven, and it's stable at very low impedances, so it's compatible with a very wide range of speakers. With its sheer power — and thoughtful circuit design courtesy of Parasound's audio guru John Curl — this amplifier delivers impressive volume, clarity, and dynamics to your surround sound system. Class A/AB operation for smoother sound The A 51 uses a Class A/AB power circuit. You don't see an amplifier described that way every day, so let's break down the benefits. Engineers and audiophiles generally agree that Class A designs offer the purest sound, but they tend to run hot and take up a lot of space. As a result, home audio amplifiers often use a compromise known as Class AB, which hands off par