General Description
 
 With the look you want and the sound quality you crave, the HD 218 are the headphones you'll be listening to - day in and day out. These versatile, sealed, on-the-ear headphones deliver plenty of bass and fit all the ways you work and play.
 
 Features
- Powerful neodymium magnets for powerful bass-driven stereo sound
 - Closed on-the-ear design blocks outside noise; creates a controlled environment for better sound
 - Individually adjustable earcups on an adjustable headband for a secure and comfortable fit
 - Optimized for iPod, iPhone, MP3 and CD players (iPhone and iPod are trademarks of Apple Inc., registered in the U.S. and other countries.)
 - Built-tough with a 2 YEAR warranty!
 - Compatible (listen only) with latest generation of tablets
 
Delivery Includes
- HD 218 headphones
 
Technical Data
| Frequency response (headphones) | 19 - 21,000 Hz | 
| Ear coupling | On-the-ear | 
| Cable length | 4.5 ft | 
| Impedance | 24 ohms | 
| Sound pressure level (SPL) | 108 dB (1kHz/1Vrms) | 
| Total harmonic distortion (THD) | <0.5% (1kHz/100dB) | 
| Jack plug | 1/8 | 
| Transducer principle | Dynamic, closed | 
| UPC code | 615104167889 | 
| EAN code | 4044155043426 | 
| Dimensions (single) | 8.3 x 8.0 x 1.8 inches | 
| Weight (single) | 0.5 lbs | 
| Dimensions (master carton) | 12.0 x 18.6 x 13.8 | 
| Weight (master carton) | 11.0 | 
| Master carton quantity | 12 |