Simple surgery, short healing time.
No percutaneous fixture or the skin problems associated with a percutaneous fixture, and no regular cleaning of the site.
The processor can be attached and removed easily.
Potential pressure problems due to the magnet, although the magnet strength can be reduced.
There will be attenuation of sound energy across the skin, so the gain may be limited compared to a BAHA. In one study the average gain reported was 38 +/- 8 dB.