Spectrum Sound Lab 1 month ago ID: #506014 Listed In : Music San Francisco, CA (415) 800-9313 https://spectrumsoundlab.com/ Business Description At Spectrum Sound Lab, we value the classic quality of Rock and Pop songs and credit the use of genuine equipment in the mixing and mastering procedures for giving them a distinct warmth and depth. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : audio mixing and mastering services audio engineering services audio post production studio