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  • The World's First SP/3 Stereo Headphone

    551 views 1 month ago
    In 1958, John C. Koss teamed up with engineer Martin Lange, Jr. to develop a portable stereo phonograph player with side-wing speakers.

    The pair demonstrated their new stereo record player at a Wisconsin audio show. One of the product's unique features was a privacy switch, which allowed listeners to hear music by plugging in the world's first SP/3 stereophone. The stereophones were intended to be an accessory to deomonstrate the high-fidelity stereo sound that the portable phonograph player delivered.

    The revolutionary sound of the Koss SP/3 stereophone became the hit of the show.

    The original SP/3 stereophone allowed listeners to experience sound as they had never before, bringing them closer to the music they love.

    Learn More: https://www.koss.com/history Show less
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  • #HearingIsBelieving | Koss Play all

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  • Full Size Headphones | Koss Play all

    Featuring the Pro4S, BT540i, SP Series and ProDJ200.
    • Unboxing the Massdrop x Koss ESP/95X - Duration: 107 seconds.

      • 8 months ago
      • 1,492 views
      The unboxing of the Massdrop x Koss Headphones ESP/95X.

      Based off the iconic ESP/950 Electrostatic Headphone system which set the standard for electrostatic headphones, the Massdrop ESP/95X is the...
    • Massdrop x Koss Headphones ESP/95X - Duration: 57 seconds.

      • 11 months ago
      • 2,824 views
      An early look and the assembly of the Massdrop x Koss Headphones ESP/95X.

      Based off the iconic ESP/950 Electrostatic Headphone system which set the standard for electrostatic headphones, the Massd...
    • Koss BT540i Wireless Bluetooth® Headphone - Duration: 44 seconds.

      • 5 years ago
      • 6,963 views
      Introducing the Koss BT540i Wireless Bluetooth® Headphones

      Featuring state of the art Bluetooth® hardware and software integrated with aptX® codec technology, the Koss BT540i is the most advanced ...
    • Koss Gaming Headphones - Duration: 14 seconds.

      • 2 years ago
      • 2,538 views
      Introducing the All-new Koss GMR 540/545 Gaming Headphones.

      The Koss GMR-545-AIR Open-Back Gaming Headphones are specifically designed and engineered to create a realistic environment for expansiv...
    • Designing The Pro4S - Duration: 2 minutes, 38 seconds.

      • 5 years ago
      • 10,343 views
      The Pro4S Studio Headphone is specifically crafted for professionals who use headphones every day to create the world's greatest music. Featuring the all-new SLX40 element, tuned for reference, the...
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    • ESP950 Electrostatic Headphone Overview - Duration: 86 seconds.

      • 4 years ago
      • 10,652 views
      The pinnacle of audio reproduction, the Koss ESP950 Electrostatic headphone system sets the standard for electrostatic headphones. Not only do these professional headphones provide extremely low di...
    • Koss GMR Gaming Headphones Features - Duration: 38 seconds.

      • 2 years ago
      • 3,825 views
      Featuring new custom tuned elements and available in open-back or closed-back design, the Koss Gaming Headphones deliver open, wide-ranging 3D sound for captivating gaming immersion.

      An ultra lig...
    • Designing the SP Series - Duration: 116 seconds.

      • 4 years ago
      • 4,573 views
      The SP540 and SP330 both feature the natural fitting “D-profile” earcup first featured on the ergonomically designed Koss Pro4AAA. The D-profile mimics the shape of the ear, creating an ideal seal ...
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    • Koss ProDJ200 Full Size Headphones Overview - Duration: 44 seconds.

      • 6 years ago
      • 13,652 views
      The full-size noise-isolating Koss ProDJ200 headphones are the next step up from the incredible ProDJ100. With stylish, spun metal ear cups that swivel 180 degrees, shifting between single- and dou...
    • Designing the Koss BT540i Wireless Bluetooth® Headphone - Duration: 2 minutes, 2 seconds.

      • 5 years ago
      • 14,167 views
      The story behind the Koss BT540i.

      Featuring state of the art Bluetooth® hardware and software integrated with aptX® codec technology, the Koss BT540i is the most advanced Bluetooth headphone desig...
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    • Koss UR55 Full Size Headphone - Duration: 33 seconds.

      • 6 years ago
      • 5,348 views
      These high velocity headphones feature open-screen ear cups that deliver great sound, lasting comfort, and impressive air circulation. Designed to deliver equal parts sound quality and comfort, Ko...
    • Koss QZPRO Noise Cancelling Headphone Overview - Duration: 33 seconds.

      • 6 years ago
      • 5,529 views
      Packing the one-two punch of passive and active noise reduction (ANR), the Koss Quiet Zone QZ PRO headphones are the noise cancelling headphones of choice for music lovers. Their comfort and collap...
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  • On-Ear Headphones | Koss Play all

    Featuring the SP Series and acclaimed Koss Porta Pro.
    • Porta Pro Wireless Features - Duration: 34 seconds.

      • 1 year ago
      • 24,846 views
      Featuring Bluetooth 4.1 with apt-X, In-line controls, Built-in Microphone and up to 12+ hours of battery life, the new Koss Porta Pro® Wireless takes the legendary sound and the iconic design of th...
    • Designing The Porta Pro Wireless - Duration: 93 seconds.

      • 1 year ago
      • 21,360 views
      Featuring Bluetooth 4.1 with apt-X, In-line controls, Built-in Microphone and up to 12+ hours of battery life, the new Koss Porta Pro® Wireless takes the legendary sound and the iconic design of th...
    • Koss Porta Pro Classic On-Ear Headphone Overview - Duration: 36 seconds.

      • 6 years ago
      • 67,542 views
      Designed for those with refined musical taste, the lightweight Koss Porta Pro headphones continue to be the most requested headphone on koss.com. Constructed from Mylar, the elements are extremely ...
    • Koss KPH30i On-Ear Headphones Features - Duration: 36 seconds.

      • 1 year ago
      • 1,652 views
      The Koss KPH30i on-ear headphones provide lightweight, adjustable portability with incredibly spacious sound for on the go use.

      With an all-new patent pending suspension, the KPH30i creates the ab...
    • 1984 - The Koss Porta Pro - Duration: 30 seconds.

      • 1 year ago
      • 3,883 views
      The acclaimed Koss Porta Pro was introduced in 1984. Since then, it has set performance and comfort standards for personal listening worldwide. For over 30 years the Porta Pro has continued to be o...
    • Koss Porta Pro Classic - Duration: 11 seconds.

      • 2 years ago
      • 1,985 views
      The acclaimed Koss Porta Pro has set performance and comfort standards for personal listening worldwide. Designed for those with refined musical taste, the Porta Pro continues to be one of the most...
    • Koss KPH30i Design - Duration: 8 seconds.

      • 2 years ago
      • 553 views
      The Koss KPH30i on-ear headphones provide lightweight, adjustable portability with incredibly spacious sound for on the go use. The lightweight on-ear headphones feature an open-air design with smo...
    • Koss Porta Pro KTC On Ear Headphone Overview - Duration: 41 seconds.

      • 6 years ago
      • 22,270 views
      Koss Porta Pro KTC, the most sophisticated version of the Porta Pro, features a new technological upgrade which brings listeners closer to the music they love. Koss Touch Control (KTC) remote and m...
    • Koss KTXPro1 On-Ear Headphone Overview - Duration: 26 seconds.

      • 6 years ago
      • 5,827 views
      Koss KTXPRO1 headphones provide lightweight, adjustable portability with great titanium sound. The adjustable headband on these active headphones guarantees a comfortable, secure fit as you listen ...
    • Koss RUK40 On-Ear Headphones - Duration: 38 seconds.

      • 6 years ago
      • 3,853 views
      Koss RUK40 on-ear headphones are lightweight headphones that pack the robust Sound of Koss. Intended for extended use, these lightweight on-ear headphones will allow you hours of enjoyment. The uni...
    • Koss UR10 On-Ear Headphones - Duration: 32 seconds.

      • 6 years ago
      • 4,217 views
      The Koss UR10 on ear headphones are a portable model that offers maximum sound quality in a comfortable lightweight design. Built to last, the UR10 is covered under the legendary Koss Limited Lifet...
    • Koss Recovery On-Ear Headphones - Duration: 31 seconds.

      • 6 years ago
      • 3,618 views
      The lightweight Koss Recovery on-ear headphones offer great sound for listeners always on the go. With an over-the-head design and contemporary styling, the Koss Recovery headphones look as good as...
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  • Design Stories | Koss Play all

    Great sound is achieved by great design. Hear the design stories behind your favorite headphones.
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