The following data is part of a premarket notification filed by Etymotic Research with the FDA for Tubephone Models Er-3a & Er-3 Insert Earphones.
| Device ID | K930003 | 
| 510k Number | K930003 | 
| Device Name: | TUBEPHONE MODELS ER-3A & ER-3 INSERT EARPHONES | 
| Classification | Audiometer | 
| Applicant | ETYMOTIC RESEARCH 61 MARTIN LN. Elk Grove Village, IL 60007 | 
| Contact | Edwin L Devilbiss | 
| Correspondent | Edwin L Devilbiss ETYMOTIC RESEARCH 61 MARTIN LN. Elk Grove Village, IL 60007 | 
| Product Code | EWO | 
| CFR Regulation Number | 874.1050 [🔎] | 
| Decision | Substantially Equivalent (SESE) | 
| Type | Traditional | 
| 3rd Party Reviewed | No | 
| Combination Product | No | 
| Date Received | 1993-01-04 | 
| Decision Date | 1993-06-18 |