" iMastering "

Sonosphere presents iMastering, the revolutionary, low-cost online mastering service.

CD mastering at $50 per track. (up to 4.5 minutes, add an additional $10 for each additional 30 seconds, 4 songs minimum)

Mastered at Sonosphere using our award winning Black Alpha analog technology

Mastered by our Grammy Award winning mastering engineer

Tracks completed within 5 working days

iMastering is secure, simple to use, and available worldwide