E-A-R TONE INSERT EARPHONE from E-A-R Auditory System, USA

The Preferred Choice in Audiometric Testing
E-A-RTONE 3A Gold Insert Earphone
E-A-RTONE 5A Gold Insert Earphone
E-A-RLINK Foam Eartips.
Features:

• E-A-R Tone Insert Earphones are designed to help an exceptionally reliable audiometric test.
• It fits directly inside the ear canal rather than outside and around the ears.
• This direct “coupling” to the ear canal produces important advantages over a supra-aural type earphone.
• Dramatically Reduces Background Noise.
• Increases Patient Comfort.
• Reduces The Need For Masking Noise.
• Reduces Risk of Disease Transmission.
• Increased Test/Re-Test Reliability.
• Easy Insertion.
• Eliminates the “Collapsed Canal” Artifact.