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Specification
Price
Rs.4,990.00
Rs.4,900.00
Brand
Sennheiser
Koss
Model No
HD 400S
Porta Pro Black
Wired / Wireless
Wired Headphone Specification
Wired Headphone Specification
Headphone Type
Over Ear
On Ear
Magnet Type
Dynamic
Dynamic
Driver Diameter
9.7 mm
30 mm
Impedance
18 ohm
60 Ohms
Sensitivity
100 dB SPL
101 dB SPL
Frequency Response
18 Hz -20000 Hz
15Hz - 25KHz
Maximum Power Input
NA
NA
Noise Cancelling
AMBIENT
Sound Isolation
Available Colors
Black
Black
Connector Plating
3.5 mm, Angled
3.5mm Gold-Plated Stereo
Cable
Tangle- Flat Cable
Straight, Dual Entry Cable
Weight
217 Gm
60 GM
Other Features
Built-in microphone and remote for call and music control.
Sennheiser sound quality for a unique listening experience.
Lightweight, foldable headphones for easy on-the-go storage.
Closed-back around-ear headphones reduce unwanted background noise for your comfort.
Sennheiser’s dynamic drivers deliver a well-extended sound response with dynamic bass for a unique listening experience and closed-back around-ear headphones reduce unwanted background noise for your comfort.
Perfectly Portable : Porta Pro features a unique collapsible design for easy storage and ultimate portability.
Comfort Zone : Adjustable headband and ComfortZone temporal pads provide a comfortable listening experience.
The oxygen free copper voice coils and dynamic elements allow the Porta Pro to deliver rich bass and a remarkably wide frequency response.
Looking for a modern look with a retro soul? Porta Pro black share's everything listeners love from the original, now in a sleek jet black colorway.
Legendary Design : The acclaimed Koss Porta Pro was introduced in 1984 and continues to be one of the most recognized headphones around the world.
The Sound of Koss : Koss engineered 60 Ohm drivers deliver remarkable high-fidelity audio at 15-25,000Hz producing deep bass, crisp highs and superior midrange.
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Top Differences

  • Noise Cancelling: AMBIENT vs Sound Isolation
  • Driver Size: 9.7 mm vs 30 mm
  • Weight: 217 Gm vs 60 GM
  • Impedance: 18 ohm Vs 60 Ohms
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