Etymotic ER-4S MicroPro Reference User Reviews

Etymotic ER-4S MicroPro Reference

Part Number: ER-4S

Where to Buy

MSRP: $299.00

Visit manufacturer site for details.

Quick Specifications

  • Type headphones
  • Headphones Form Factor ear-bud
  • Weight 0.99 oz
  • Sound Output Mode stereo
  • Connector Type mini-phone stereo 3.5 mm