Introducció
The Koss Pro4AA Studio Quality Over-Ear Headphones are designed to deliver professional-grade audio monitoring with exceptional clarity and fidelity. Originally introduced in 1970, these headphones set the standard for full-size professional audio, combining legendary sound performance with an iconic retro design. They are built for durability and provide superior noise isolation, making them ideal for studio use, critical listening, and immersive audio experiences.

Imatge: Frontal view of the Koss Pro4AA Studio Quality Over-Ear Headphones, showcasing their beige earcups and padded headband.
Característiques clau
- Legendary Sound: The first dynamic headphones to deliver true full frequency and high fidelity performance.
- Superior Noise Isolation: Over-ear design provides effective isolation from external noise, enhancing audio clarity.
- Àudio d'alta fidelitat: Features 250 ohms impedance for precise audio reproduction across a wide frequency range of 10-25,000 Hz.
- Iconic Retro Design: Recognizable full-size construction with a classic aesthetic.
- Construcció duradora: Built with steel and a generously padded rubber headband for long-lasting use.
- Coiled Cord: Equipped with a compact 8 ft coiled cord and a 6.3mm (1/4 inch) plug for flexible movement and professional connectivity.
Configuració
Setting up your Koss Pro4AA headphones is straightforward. Follow these steps to begin your listening experience:
- Desembalar: Carefully remove the headphones and any included accessories from their packaging.
- Inspeccionar: Revisa si els auriculars tenen algun dany visible.
- Connectar: Locate the 6.3mm (1/4 inch) plug on the coiled cord. Insert this plug firmly into the corresponding audio output jack of your audio source (e.g., amplifier, audio interface, mixing console). If your device uses a smaller 3.5mm jack, use a compatible adapter (not included unless specified in packaging).
- Ajustar l'ajust: Place the headphones over your ears. Adjust the slide bars on the headband to ensure a snug and comfortable fit. The generously padded headband and ear cushions are designed for extended listening sessions.

Image: The Koss Pro4AA headphones with their distinctive coiled audio cable, ready for connection to an audio device.
Instruccions de funcionament
Once connected, operating your Koss Pro4AA headphones is simple:
- Font d'àudio d'encesa: Assegureu-vos que la vostra font d'àudio (amplifier, receiver, etc.) is powered on and configured to output audio through the headphone jack.
- Control de volum: Adjust the volume level directly on your audio source. The Pro4AA headphones do not feature inline volume controls. Start with a low volume and gradually increase it to a comfortable listening level.
- Critical Listening: These headphones are designed for accurate sound reproduction. For critical listening or monitoring, ensure your audio source provides a clean, uncolored signal.
- DJ-Style Functionality: The robust design and superior noise isolation make these headphones suitable for DJ monitoring. The earcups can be swiveled for single-ear monitoring if needed.

Image: Two pairs of Koss Pro4AA headphones displayed on a stand beside a turntable, illustrating their use in a listening setup.
Manteniment
Proper care will ensure the longevity and performance of your Koss Pro4AA headphones:
- Neteja: Use a soft, dry cloth to wipe down the earcups and headband. Avoid using harsh chemicals or abrasive cleaners.
- Emmagatzematge: When not in use, store the headphones in a clean, dry place, away from extreme temperatures and direct sunlight. Avoid tangling the coiled cord.
- Coixinets per a les orelles: The ear cushions are designed for comfort and noise isolation. Over time, they may show signs of wear. Replacement ear cushions can be purchased from authorized Koss retailers or the Koss weblloc.
- Cura del cable: While the coiled cord is durable, avoid excessive pulling or sharp bends at the connection points to prevent internal wire damage.
Resolució de problemes
If you encounter issues with your Koss Pro4AA headphones, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense so |
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| So distorsionat |
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| Ajust incòmode |
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Especificacions
| Característica | Detall |
|---|---|
| Nom del model | Pro4AA |
| Tecnologia de connectivitat | Amb cable |
| Conector d'auriculars | 6.35 mm Jack |
| Interval de freqüència | 10 Hz - 25,000 Hz |
| Impedància | 250 ohms |
| Control de soroll | Aïllament acústic |
| Col·locació de l'orella | Sobre l'orella |
| Factor de forma | Sobre l'orella |
| Longitud del cable | 8 ft (coiled) |
| Pes de l'article | 1.85 lliures |
| Dimensions del producte | 9.45 x 9.45 x 4.09 polzades |
| Components inclosos | Headphone, Adapter |
Vídeo oficial del producte
Vídeo: Presentació oficial del producte en vídeoasing the Koss Pro4AA Studio Over-Ear Headphones, highlighting their features and design.
Garantia i Suport
Koss stands behind the quality of its products. The Koss Pro4AA Studio Quality Over-Ear Headphones are covered under the Koss Stereophones Limited Lifetime Warranty. This warranty ensures that your headphones will be free from defects in material and workmanship for the lifetime of the product.
For warranty claims, technical support, or to purchase replacement parts (such as ear cushions), please visit the official Koss weblloc web o poseu-vos en contacte amb el seu departament d'atenció al client. També podeu trobar més informació i productes a Botiga Koss a Amazon.





