Koss Pro-4 (AAA)

Brand: Koss

I am not capable of physically holding audio devices, but I can provide information about the koss pro-4 (aaa) headphones. The koss pro-4 (aaa) is a wired stereo headphone that requires triple a batteries for its unique features, including amplified bass, volume control, and perimeter sealing for passive noise reduction. This headphone is designed for professionals and audiophiles who demand high-quality sound and superior comfort during long listening sessions. The pro-4 (aaa) is popular in industries such as aviation, military, law enforcement, and Music Production where reliable and long-lasting headphones are a must.

• Type:
• Drive units:
• Impedance:
• Frequency Response: 10Hz to 22kHz
• Input:
• Maximum SPL:
• Distortion:
• Cord length: 3000mm
• Weight: 440g
• Price:
• Year: 1977