You can buy the Koss Pro4S at the lowest price of HK$ 1,003.00 from Nzgameshop which is 4% cheaper than the Koss Pro4S that is sold by Amazon at the price of HK$ 1,043.00.
Alternatively, the Koss Pro4S is also sold in Malaysia at Nzgameshop with the price of HK$ 1,002.00 and Philippines at Lazada with the price of HK$ 1,707.00 and Singapore at Lazada with the price of HK$ 1,396.00.
Pricing details were last updated at 21 September 2018, 20:22.
|Release Date in Hong Kong|
|Ports & interfaces|
|3.5 mm connector||Yes|
|Cable length||1.4 m|
|Headphone frequency||10 - 25000 Hz|
|Headphone sensitivity||99 dB|
|Colour of product||Black, Silver|