Headphones
| Impedance |
27 Ω |
| Headphone frequency |
50000 - 10000 Hz |
| Driver unit |
3.5 mm |
| Ear coupling |
Intraaural |
| Headphone sensitivity |
108 dB |
Additionally
| Wireless technologies |
Wired |
ER•4P (Portable) MicroPro earphones
ER•4P (Portable) earphones can be used with portable CD, MP3, DVD and other players without requiring an additional amplifier. As compared to the ER•4S, the ER•4P has 10 dB greater output at high frequencies and 13 dB greater output at low frequencies. The higher sensitivity and enhanced bass of the ER•4P have made it the most popular earphone for most uses.
<b>Next Best Thing to Live Music</b>
- ER•4 system includesTransparent, reference-quality sound.
- For audiophiles, performing musicians and recording engineers.
- For mixing, monitoring and critical listening.
- Accurate real-ear response.
- Unsurpassed isolation from outside sound.
The ER•4 MicroPro™ earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. The ER•4s require NO batteries, and can be plugged into any audio source. Their external noise exclusion -- 35 dB with 3-flange eartips, 42 dB with foam eartips -- allows you to hear the full dynamic range of recordings without having to play them at unnaturally high and unsafe levels. The earphones come in three styles: ER•4B, ER•4S, ER•4P.
<b>System Includes</b>
- ER•4 MicroPro earphones.
- 5 ft. cord with 3.5 mm stereo phone plug.
- 1/4" stereo phone adapter plug.
- Six 3-flange eartips.
- 10 foam eartips.
- Filter changing tool.
- 4 replacement filters.
- Shirt clip.
- Pouch (not shown).
- Storage box.
