FAQ What is the address for Turbosound Ltd? Turbosound Ltd is located at Star Road, Partridge Green, West Sussex RH13 8RY, United Kingdom.How can I contact Turbosound Ltd? You can contact Turbosound Ltd by phone at +44 01403 711447 or by fax at +44 01403 710155. Their website is www.turbosound.com.What issue number is this user guide? This user guide is Issue 1.0 from Turbosound Ltd.