The ER3XR Extended Response Earphones from Etymotic offer an enhanced and extended bass boost for those listeners that prefer a stronger low-end response. They deliver good sound reproduction for portable media players with a 1/8" output—MP3 players, recorders, CD players, and more.
The earphones are built with high-performance, balanced-armature micro-drivers and have a frequency response of 20 Hz to 16 kHz. They offer 35 to 42 dB noise isolation and include an assortment of ear tips for proper seal and comfort. A detachable 4' cable, shirt clip, carrying pouch, filter-removal tool, and replacement filters are also included.
- Precision-machined metal bodies with anodized finish
- Assortment of noise-isolation ear tips ensures proper seal and comfort
- Custom-fit option available
- Detachable 4' cable allows for easy replacement
- User-replaceable filters that protect the balanced-armature drivers from ear wax
- Reinforced cable for durability