Increase attention to speech and language!

TSI: Boost Active contains great music with sound concentrated in the “speech and language range” (750-4000 Hz.). 

Use the active tracks with headphones for high intensity, short duration listening sessions to increase attention to this range of sound. 

This product is available as downloadable (Zipped WAV) files or on Compact Disc (1 Disc). Please select your option above.

Or Save 10% with our Boost sets—set of 3 CDs for only $54.99

Set 1—one active Boost disc and two passive Boost discs

Set 2—one active Boost disc and two passive Boost discs