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Koss Porta Pro

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Koss Porta Pro
Colour
Connection and design
Designoverhead, open
foldable
Connection typewired
Connectionmini-Jack (3.5 mm)
Jack (6.35 mm) / adapter /
PlugL-shaped
Cable supplydual-sided
Cable length1.2 m
Cable typeround
Specs
Impedance60 Ohm
Frequency range15 – 25000 Hz
Sensitivity101 dB
Speaker size44 mm
Emitter typedynamic
Harmonic distortion coefficient< 0.2 %
General
Ear cushion materialfoam rubber
Weight79 g
In boxcase
Added to E-Catalogseptember 2005

A classic model of open wired headphones with extensive customization options, as well as a number of engineering solutions for maximum user comfort. So, the adjustment functions include not only the length of the headband, but also the tilt of the speakers for the most pleasant sound, and the design provides whiskey stands that reduce ear strain. The frequency range is 15 Hz to 25 kHz; The package includes an adapter for a 6.35 mm jack.

Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
Catalog Koss 2024 - new products, best sales and most actual models Koss.

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Koss Porta Pro Headphones Ear Phones Red Hot Collapsible Design with Trave

Amazon.com
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$41.43

Koss PortaPro Headphones with Case Porta Pro

Koss Porta Pro Headphones with Case
Newegg.com
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$65.00

Koss Porta Pro Classic On-Ear Headphones Retro Style 35mm Wired Plug Durab

Connectivity Technology: Wired. Designed for deep bass performance Comfortable, secure fit with adjustable headband and multi-pivoting earplates Two adjustable temporal-comfort zone pads shift the pressure and perfectly balance the ear plates on your ear Collapsible for maximum portability, includes carrying case Connector Type: 1 x Headphones... more(mini-phone stereo 3.5 mm)
Amazon.com
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$39.99
Video reviews

Legendary oldies making the younger generation

The legendary brand Koss is considered to be the inventors of stereo headphones and the creators of the technology of projecting sound directly into the ear, which laid the foundation for "earbuds" and "droplets". For more than half a century, the company has been producing products that are popular with music lovers around the world.

Structural features and thirty years of design

The Koss Porta Pro model is hugely popular due to its quality sound, affordable price and stylish design, which has hardly changed since 1984. The design of the headphones is foldable with a spring-loaded metal headband, which allows it to automatically adjust and be conveniently assembled for transportation. Of interest is also the suspension of the speakers that changes the angle of inclination, which provides ease of use. In general, the design makes it clear that the device is ready to work “for wear and tear”, only foam rubber ear pads cause doubts, which will still have to be changed over time. Headphones are distinguished from modern models by a solid thick wire, but connecting it to each cup in order to maintain sound qualities can be inconvenient.

The headphones come with a stylish case, but you can only find it in the original version. By the way, one of the most global problems of the model was an incredible number of low-quality fakes, so if you want to touch the legend, you will have to choose very carefully.

rock and roll sound

For the younger generation, the sound can cause a lot of controversy, but looking ahead, it’s worth saying that in its price range, the playback quality of the model leaves no competitors.

The bass sound deserves special attention, it is warm and velvety, slightly reminiscent of a tube one. Low frequencies are very competitive, despite the consignment status, the "failure" of the bass is not felt, but rather, on the contrary, the composition acquires volume and "airiness". The mids and highs are also well tuned, but to be picky, the high frequencies, especially in electronic and pop music, are a little plastic, and at high volumes, the bass line begins to dominate and the sound gets a little “dirty”. Usually, a similar effect is always noticeable when using headphones with devices that have a powerful amplifier.

In general, the model is not very picky about the sound source, and even the average impedance (60 Ohm) is not a hindrance to "friendship" with elite and powerful players. Incidentally, the best bass control is achieved by pairing the headphones with low output impedance players.

Model modification:
  • Model Porta Pro KTC — mobile phone headset with remote control
  • Porta Pro SpeakEasy model — computer headset with built-in microphone and 2.4 m longer cable

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