The Koss GMR-540-ISO. in-ear headphones offer a versatile audio experience for general use. With a wired design and robust construction, these headphones are ideal for everyday use. They have a frequency range of 18 to 20,000 Hz, which enables clear and precise sound reproduction. The headphones are equipped with a 1.2 metre cable for comfortable use, while the integrated microphone facilitates communication. The sensitivity of 101 dB ensures that the audio output is loud and clear, while the maximum noise level limit of 103 dB ensures a comfortable listening experience. These headphones are an excellent choice for anyone who values quality and comfort.

• Wired design for reliable signal transmission
• Frequency range from 18 to 20,000 Hz for clear sound reproduction
• Integrated microphone for easy communication
• Lightweight 220 grammes for high wearing comfort.