Welcome to Sonic Light

Sonic Light provides free audio, video, and written resources on all 66 books of the Bible to help Christians grow in their understanding of God’s Word.

To get started, click the menu on the top of this page. To return to this home page from any other page, click the Sonic Light logo.

Sonic Light is the original and most up-to-date source of the popular Constable Notes. These clear Bible Study Notes are used worldwide and are currently being translated into many languages.

Thank you for visiting Sonic Light; we look forward to serving you for many years to come.

Blog Snapshots

Below is a summary of the latest blog posts. Click on a title below to read the full blog post. Click here to see all blog posts.

  • Constable Notes Are Now Available in Print

    For many years, Dr. Constable’s Notes have been freely available through Sonic Light, helping pastors, teachers, students, and everyday Bible readers study God’s Word more deeply. While many people enjoy using the notes online we have often heard the same request: “Is there a printed version available?” We’re excited to say that the answer is now YES!…

  • How to Add Sonic Light to Your Phone’s Home Screen

    If you find yourself coming back to Sonic Light throughout the week, it may be helpful to have it a little closer at hand. A simple way to do that is by adding the Sonic Light icon directly to your phone’s home screen so it’s there whenever you reach for it. How to Add the…

  • Why is Sonic Light called Sonic Light?

    I first heard Dr. Constable teach through the Bible around 1986 at Plano Bible Chapel. Every week he would faithfully lead us verse-by-verse through entire books … Genesis, Exodus, Deuteronomy, and more … each lesson was recorded onto a cassette tape, labeled by the sound technician, and delivered to a small neglected office that contained…