This nicely lands the BT20A Pro in the "very good" category of all amplifiers tested regardless of price: Zooming in to see the competition: SNR is good for the class: I expect load/impedance dependency in this class of switching amplifiers but here, the peaking is almost entirely out of...
Aside from a few sinad points, the BT20a pro also performs a bit better in terms of load dependence. The specifications advertised by the company of 20/20k +/- 0.1 db are not absolutely respected. What I expected was to get close to the performance of the pa5 topping, but we're not...