Auscultadores/headset Koss SB40 com fio, arco de cabeça, chamadas/música, preto

The Koss SB40 is a wired on-ear headset designed for clear communication and immersive audio during calls, music, and PC voice applications. Featuring a noise-cancelling microphone and full-range sound, it delivers reliable performance for both work and entertainment.

Key features

• Noise-cancelling microphone reduces background noise for clearer voice transmission in calls and speech recognition
• Full-range sound reproduction (20-20,000 Hz frequency response) brings music and games to life
• Soft leatherette ear cushions provide long-lasting comfort and passive noise isolation without excess pressure
• Adjustable headband fits most head sizes for a secure, personalized fit
• Independent 3.5mm plugs for separate headphone and microphone connections, ensuring easy setup with PCs
• Wired on-ear design with 96 dB sensitivity and 120 ohm impedance for consistent audio quality