What items do you need to repair?
Sound mixer
Please describe the problem you have (optional)
It is MixPre-6 pro. The 4 normal input channels don't work, but iaux channel works
What time do you prefer to have the service?
Any time
Where do you prefer the services?
Provider's location
Anything else that we need to know?
No
Where is your location?
New Territories,Tsuen Wan