Zalman ZM-DS4F Review @ techPowerUp
 

*Review: techPowerUp (http://www.techpowerup.com/reviews/Zalman/ZM-DS4F)*
__________
The headphone I will be taking a look at today was first displayed at Computex 2007. It is called the "Zalman ZM-DS4F" and represent Zalman's first approach on how to make an ultra transportable headset. With the ZM-DS4F Zalman has managed to fit two individual audio drives in each ear cup (one 40 mm PEI woofer and a 28 mm tweeter) into a small headset with ear cups that measure only 55 mm across!

More...