This is the Waves Digital Download version. We process digital download orders as quickly as possible. You'll receive your authorization code and download link by email (may take up to 24 hours). iLok USB Key required (see SKU # 241800). When top mastering engineers sit down behind the board, they need their music software to enhance frequency response and maximize levels while protecting the fidelity of their sources. That's where the Waves L3 comes in: The world's first auto-summing multi-band limiter for all-in-one mastering.