Sony MDR-ED21LP Fontopia Stereo Headphones

Sony Updated: 2007-09-28
Sony MDR-ED21LP Fontopia Stereo Headphones

Extra-large 16 mm drivers make the MDR-ED21LP Fontopia® stereo headphones an outstanding choice for listening on the go. Fitting snugly, yet comfortably inside the ear, the Fontopia in-ear design allows you to enjoy music while you exercise, skate or even dance. In addition, the soft rubber earpiece minimizes stress on the ear while the unique bass booster, earpiece shape and anti-bacterial material offer wider frequency sound and worry-free wearing. The Acoustic Twin Turbo™ circuit ensures enhanced sound quality and a high-power neodymium magnet for maximum energy in minimum size are also included for your enjoyment.

Fontopia® in-the-ear design
fits snugly, yet comfortably inside the ear; eliminates the headband so you can enjoy music while exercising, skating or dancing.

Soft rubber earpieces
provide greater stability so they're far less likely to shift or fall out, greater wearing comfort thanks to the broader distribution of contact.

Groove design/Bass Booster earpiece shape
with better fit means less sound is lost; better bass response at the same sound pressure levels as conventional designs; perfect for Sony Walkman® players with Groove bass control.

Anti-bacterial earpiece material
for worry-free wearing.

16 mm Diameter Driver
delivers deeper bass, extended treble and higher fidelity, yet remains small enough to fit inside your ear.

PET diaphragms
ensure high rigidity for minimum distortion; low mass for extended high-frequency response out to 23,000 Hz.

Sony Acoustic Twin Turbo® Circuitry
uses sound chamber and ducts for improved efficiency, gets high sonic output from your portable stereo.

Neodymium magnet
for maximum energy in minimum size; ounce for ounce, Neodymium is far more powerful than conventional Samarium Cobalt or Aluminum magnets.

Supplied carrying pouch
neatly stores the ear-buds and headphone cord when not in use; ideal for carrying in a pocket or purse.