Koss Pro4S Studio, Black

Picture may differ from actual product, there can be accessories and parts not supplied with the actual product.
ID: 177821 Product code: 184474
Approximate delivery time 15.04.2026 We do not accept orders for the delivery of this product.

TopPC.fi website provides information about this product for information only, so that customers can see the product and compare it to the products available for sale now.

Warranty: 2 years
Ready for dispatch
20.04.2026
starting from 6.99 €
Delivery options
  • Posti parcel machine
    Within 1-2 working days
    6.99 €
  • Post Office
    Within 1-2 working days
    6.99 €
  • Delivery with Posti courier mail
    Within 1-2 working days
    10.99 €
Main product parameters All parameters
  • Color: Black
  • Microphone: None
  • Port: 3.5mm
  • Port: 6.35mm
  • Type: Over-Ear
Similar Products
This product Koss Pro4S Studio, Black
Koss PRO4AA, Titanium/Black
Koss Sporta Pro
Koss KPH25k, Black
Koss UR20, Black
Show similar specs. Hide similar specs.
112.19 €
116.50 €
33.92 €
19.55 €
27.36 €
Active Noise Cancellation (ANC) Is Is None None None
Color Black Black Green Silver Black Silver Black Black
Connection type Wired Wired Wired Wired Wired
Frequency range max, Hz 25000 25000 25000 20000 20000
Frequency range min, Hz 10 10 15 60 30
Illumination colour None None None None None
Lighting None None None None None
Microphone None None None None None
Microphone type None None None None None
Model Pro4S Studio PRO4AA Sporta Pro KPH25k UR20
Number of channels Stereo Stereo Stereo Stereo Stereo
Port 3.5mm 6.35mm 6.35mm 3.5mm 6.35mm 3.5mm 3.5mm 6.35mm
Resistance, Ω 35 250 60 32 32
Sensitivity, dB 99 95 103 94 97
Type Over-Ear Over-Ear On-Ear On-Ear Over-Ear
Weight, g 220 250 99 76 323
All parameters
Active Noise Cancellation (ANC) : Is
Color : Black
Connection type : Wired
Frequency range max, Hz : 25000
Frequency range min, Hz : 10
Illumination colour : None
Lighting : None
Microphone : None
Microphone type : None
Model : Pro4S Studio
Number of channels : Stereo
Port 3.5mm, 6.35mm

The headphones connection to the computer. A cable for a long-term and stable sound experience is the most popular type of connection.

If you want to enjoy the wireless freedom you should choose wireless or bluetooth headphones, still in this case you have to accept the regular replacement of batteries or charging of a battery pack. A computer sound card is required for connecting headphoes to the computer. Prior to buying bluetooth headphones you should verify that your computer has a bluetooth receiver. If there is no receiver ask our managers whether the receiver is included with the selected model of headphones.

Resistance, Ω : 35
Sensitivity, dB : 99
Type Over-Ear
The type of application of headphones. If headphones are used only for chatting via Skype, ICQ or another communication network we recommend to buy headphones with a microphone.
Weight, g : 220
More detailed specification
Code - 195398
Design > Colour of product - Black
EAN - 021299184479
Gross weight - 0.74 kg
Headphones > Headphone sensitivity - 99 dB
Headphones > Impedance - 35 Ω
Microphone - No
Name - Koss | Headphones | Pro4S | Wired | On-Ear | Black
Other features > Frequency range - 10-25.000 Hz
Package features > Embeeded battery - No
Package features > Gross depth (mm) - 235 mm
Package features > Gross depth master carton - 267 mm
Package features > Gross height (mm) - 245 mm
Package features > Gross height master carton - 255 mm
Package features > Gross width (mm) - 60 mm
Package features > Gross width master carton - 205 mm
Package features > Net weight master carton - 2.22 kg
Package features > Packing quantity - 3 pc(s)
Package features > Palette Qty - 369 pc(s)
Package features > Paper/Pasteboard - 160.00 g
Package features > Tare weight (kg) - 0.16 kg
Package features > Tare weight master carton - 0.237 kg
Package features > Volume (m3) - 0.0034545 m³
Package features > WEEE tax - No
Ports & interfaces > USB charging port - No
Producer product family - Headphones
Producer product name - Pro4S
Technical details > Connector type - 3.5 mm
Technical details > Headphones connection type - Wired
Technical details > Net weight - 0.58 kg
Technical details > Noise canceling - No
Technical details > Other features - •Full-size, over-ear Studio headphones •D-profile with memory foam cushions •Koss SLX40 Elements tuned for studio reference •Detachable cord with dual choice entry •Fold flat for portability •Carrying case
Technical details > Producer - Koss
Technical details > Warranty - 24 month(s)
Technical details > Wearing style - On-Ear
Technical details > Wireless - No
Technical details > Wireless connection - No
Warranty - 24
112.19 €
Koss Pro4S Studio, Black
Intel technology provider Platinum 2020
All categories