The GC ELECTRONICS 61-548 Digital Stereo Headphones are designed for high-quality audio reproduction. Featuring a 27mm Mylar speaker, these headphones deliver clear and balanced sound across a frequency range of 20-18,000Hz. With an impedance of 32 Ohms and a sound pressure level of 101dB, they provide an immersive listening experience. The 4ft cord allows for flexible positioning and use in various environments. Ideal for personal listening and portable audio applications.