On their website, here is what Benchmark say about the AHB2 power amp:
"Traditional class-AB amplifiers generate crossover distortion every time the push-pull output stage crosses 0 volts. This crossover distortion can be especially problematic at low playback levels.
The AHB2 is the first amplifier to virtually eliminate crossover distortion without incurring the undesirable side effects of class-A amplification."
The fact that crossover distortion is eliminated on a Class AB amp with proper biasing in the output stage is nothing new. It has been done with Class AB amps for many years.
Why do they have to publish marketing bullshit?