Parasound Halo Series A21+ Power Amplifier

Halo Series A-21+ Power Amplifier This power amplifier is a Power Boss! Parasound's 71-pound Halo A 21+ delivers a whopping 300 watts per channel, and it's stable enough to drive just about any speakers you might care to hook up. This amp is an improvement upon the company's original Halo A21, which was a popular choice among audiophiles during its own 15-year run. This newer "plus" version has a refined new look, and offers more power and improved specs almost across the board. In bridged mode, the A21+ really turns on the firehose, putting out an amazing 1,000 watts into a single channel. All that power comes from a beefy toroidal transformer and a high-bias Class A/AB amplifier design that help your system reproduce music with stunning clarity and accuracy. Class A/AB operation for smoother sound You don't see a Class A/AB amplifier 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 ru