Zalman ZM-DS4F Dual Stereo Heaphones

Article Index
Zalman ZM-DS4F Dual Stereo Heaphones
ZM-DS4F Testing and Conclusion

Product(s): Zalman ZM-DS4F Dual Stereo Headphones
Provided By: Zalman

Price: ~$27.80 CDN (


Zalman has made quite a name for themselves in the cooling market, and they are arguably one of the top manufacturers. But Zalman has also ventured into other markets, and have released a few audio products, one of which is the Zalman ZM-DS4F headphones, which we are going to be taking a look at today.

These headphones are very competitively priced and are aimed at the MP3/CD/Music crowd, let's see how they perform. These headphones feature a 2-way 4 speaker system, and feature two independent speakers in each ear cup.


First Impressions:


Zalman ZM-DS4F Headphones


I was pretty interested to give these headphones a try, as 90% of the time that I am using my computer I'm using headphones since my neighbors do not share my enjoyment of music at late hours.

Pulling them out of the box makes you immediately notice that they are really foldable, but once you get them on your head they are quite comfortable unlike some other folding headphones I've used in the past.


Zalman ZM-DS4F Headphones - Folded


Zalman ZM-DS4F Headphones - Unfolded


In the above pictures you can see that these headphones fold down and become nice and compact, which is a feature geared towards the portable media user. The ear cups pivot which helps make things more compact when folded, but also make the headphones pretty comfortable as they adjust nicely to your head.


Zalman ZM-DS4F Headphones - Ear Cup Pivoting


Note that the picture below shows that these headphones feature 2 speakers in each side. Zalman has a great diagram how that all works as you can see below. The idea behind the dual speakers is to be able to produce greater sound than other single speaker systems can.


Zalman ZM-DS4F Headphones - Dual Speaker Diagram



Zalman ZM-DS4F Headphones Specification:

Taken from

Unit Type: Electro Dynamic Round Type Micro Speaker (Total 4 units)
Frequency Response: 50 Hz ~ 20 kHz
Sound Pressure Level: 103dB +/- 3dB at 1kHz
Impedence: 32 Ohm at 1 kHz 40mm dia. for Bass Sound
Impedence: 32 Ohms at 1 kHz 28mm dia. for High Frequency Sound
Nominal Power: 10mW
Maximum Power: 50mW
Weight: approx. 124g (without cord)
Cord: Straight, 150cm
Plug: 1 Standard stereo headphone jack (3.5mm)