| Manufacturer | Etymotic Research |
| Manufacturer Part # | ER4P |
| Cost Central Item # | 10335541 |
| Product Description | Etymotic MicroPro ER-4P (Power) - Headphones ( ear-bud ) |
| Product Type | Headphones - wired |
| Headphones Type | Headphones - binaural |
| Headphones Form Factor | Ear-bud |
| Connectivity Technology | Wired |
| Sound Output Mode | Stereo |
| Response Bandwidth | 20 - 16000 Hz |
| Connector Type | 1 x headphones ( mini-phone stereo 3.5 mm ) |
| Cables Included | Headphones cable - 5 ft Headphones adapter |
| Included Accessories | Carrying pouch, ear cushion, cord clip, storage case |