How many decibels do IQbuds BOOST block? Follow IQbuds BOOST block approximately 14 dB of passive attenuation. Related articles Do IQbuds BOOST have noise cancellation? Why is the Tap Touch disabled when I first take the IQbuds BOOST out of the Charge Case? Overview of World EQ (Android) Are IQbuds 2 Max an alternative for a hearing aid? What version of Bluetooth do IQbuds BOOST have?