Eagle Sound and Acoustics works only with churches throughout the United States. When The End Results Matter No Echoes Speech Cleary Understandable Each Instrument and Vocal is Distinguishable Choir Can Hear Themselves Band Can Hear Themselves Natural Sound No Hum, Buzz Or Static No Feedback Even Sound in All Seats "It Simply Works" (Every Time) Clear Reference Without Loudness Trained Operators Sound not Noise