| MPN | ER4SR |
|---|---|
| UPC | 846430002012 |
| Manufacturer | Etymotic Research |
| Brand | Etymotic Research |
| Form Factor | In-Ear Only |
| Type | Earbud (In Ear) |
| Number of Earpieces | Double |
| Color | Multicolor |
| Model | ER4SR |
| Connectivity | 3.5mm Jack |
| Cable Length | 5ft |
| Features | Noise Isolation, In-Line Control |
| Microphone Type | Built-In |
Check the listing for details. Etymotic Research ER4SR In-Ear Studio Reference Earphones. Color: Multicolor, Condition: New. Listed at 198.99 USD. The ER4SR combine style and functionality with a sleek, anodized and laser-etched aluminum body, and a detachable, reinforced cable which is user-replaceable. Etymotic Research. Reference-quality earphones with balanced-armature technology.