This is the answer from Audiolab:
Thank you for your E-mail
We are still working on MQA but have no details available yet.
Rob Flain, IAG Group Service Manager for: Quad - AudioLab – Wharfedale/PRO - Mission - Castle
Address: IAG Service department, Units 13/14, Glebe Road, St Peters Industrial Estate, Huntingdon, Cambridgeshire, PE29 7DL
Tel number: + 44 (0)1480 452561
Fax number: +44 (0)1480 413403