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Specification
Price
Rs.9,800.00
Rs.10,500.00
Brand
Koss
Sennheiser
Model No
Pro4S Studio
HD 380 Pro
Wired / Wireless
Wired Headphone Specification
Wired Headphone Specification
Headphone Type
Over Ear
Over Ear
Magnet Type
Dynamic
Neodymium
Driver Diameter
40 mm
NA
Impedance
35 Ohms
54 Ohms
Sensitivity
99dB SPL
110 dB/mW
Frequency Response
10Hz - 25KHz
8Hz - 27,000Hz
Maximum Power Input
NA
500 mW
Noise Cancelling
Sound Isolation
NA
Available Colors
Black
Black
Connector Plating
3.5 mm Jack
3.5 mm Gold Plated Jack
Cable
Detachable Coiled Cable
1m coiled, extendable up to 3m
Weight
181 GM
220 g
Other Features
Aluminum Construction : comfort and durability meet in this lightweight headphone.
Design Your Music with these professional, unbiased, fine-tuned Studio Headphones.
Koss SLX40 Dynamic Element precisely tuned to accurately convey the sound produced in the studio.
Contour Sealing Cushion : the unique D-profile closes gaps around the ear, improving comfort, fit, isolation, and sound.
Dual Choice Entry : choose either left of right cord entry and monitor through multiple headphones with a unique pass-through feature.
D-Profile Earcup : The D-profile mimics the shape of the ear, creating an ideal seal for the most consistent sound reproduction and incredibly natural fit.
Studio Sound :At the heart of the Pro4S are all-new Koss SLX40 dynamic elements, delivering an ultra-wide 10–25,000 Hz frequency response that captures every nuance of your music with remarkable clarity and balance. From the deepest, tightly controlled bass to articulate midrange vocals and extended highs.
- Extended frequency response for accurate, reliable sound reproduction
- Increased sound pressure level (110dB) to handle demanding use
- Closed circumaural design for excellent passive attenuation of ambient noise (up to 32dB)
- Exceptional comfort for extended listening
- Easily replaceable parts for long service life
- 2-year warranty

More Info
- Transducer principle (Headphones) : Closed, dynamic
- Ear coupling : Circumaural
- THD, total harmonic distortion : < 0.1% (1kHz, 100dB SPL)
- Contact pressure : 6N approx.
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Top Differences

  • Noise Cancelling: NA vs Sound Isolation
  • Driver Size: NA vs 40 mm
  • Weight: 220 g vs 181 GM
  • Impedance: 54 Ohms Vs 35 Ohms
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