Roland OP-AE10MPH bocchino per Aerofono AE-10

Firmer feel to the one that comes with the Aerophone. Personally I prefer it to the original but I'd say it comes down to personal preference. If you have spare cash lying around I would buy this, then you have options. If you are just starting out with the aerophone then you won't know any better and just might not care and be happy with the one that came in the box. A spare cash buy but worth getting.