All Services Design & Art Audio Mastering $35/hr · Starting at $80 I provide hi-end audio mastering. You can get your audio mix in the best quality ever possible online for this money! About $35/hr · Ongoing Download Resume I provide hi-end audio mastering. You can get your audio mix in the best quality ever possible online for this money! Skills & Expertise Audio Mastering 0 Reviews This Freelancer has not received any feedback.