D'Addario PWEP3 - 3 PAIR, FOAM EARPLUGS neutricon 4 GHz RF environment and

4 GHz RF environment and uses the clearest possible transmission and backup frequencies

A special two ply configuration for Marching Tenors

BFSD lowers the fundamental pitch of the drum without any of the hassle

The large rubber coated support cup provides a secure stand for the instrument

LEDs are provided for indication of headphone amplifier fault

D'Addario PWEP3 - 3 PAIR, FOAM EARPLUGS neutricon 4 GHz RF environment andD'Addario Custom Fit Disposable Foam Earplugs are made from slow recover PVC foam and will provide 29db of audio attenuation. Being slightly softer than most other PVC earplugs makes them easier to insert and more comfortable to wear for extended periods of time.