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Specification
Price
Rs.9,167.00
Rs.9,800.00
Brand
Beyerdynamic
Koss
Model No
DT 109 Series
Pro4S Studio
Wired / Wireless
Wired Headphone Specification
Wired Headphone Specification
Headphone Type
Over Ear
Over Ear
Magnet Type
Dynamic
Dynamic
Driver Diameter
NA
40 mm
Impedance
400 ohm
35 Ohms
Sensitivity
94 dB
99dB SPL
Frequency Response
30 - 20.000 Hz
10Hz - 25KHz
Maximum Power Input
100 mW
NA
Noise Cancelling
NA
Sound Isolation
Available Colors
Black
Black
Connector Plating
3.5 mm Gold-Plated Stereo Jack
3.5 mm Jack
Cable
Tangle Resistant Cable
Detachable Coiled Cable
Weight
390 g
181 GM
Other Features
Available Varitions
black / 50 ohms
black / 400 ohms
Made in Germany.
Single-sided, detachable connection cable.
High-quality hearing and microphone systems.
Headset with dynamic microphone for broadcast and intercom ( closed ).
Excellent isolation from ambient noise ( suitable for high sound pressure levels ).
All versions of the DT 109 are supplied without a connection cable. Please order the desired connection cable at the same time.
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.
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Top Differences

  • Noise Cancelling: NA vs Sound Isolation
  • Driver Size: NA vs 40 mm
  • Weight: 390 g vs 181 GM
  • Impedance: 400 ohm Vs 35 Ohms
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