Nova 56 Stereo Headphones (330-2005) Features Faxback Doc. # 7659 The Realistic Nova 56 Stereo Headphone uses a high-energy dynamic element to deliver a full frequency in an extremely lightweight design. An adjustable headband accommodates any head size or shape for a comfortable fit. The frequency response is 20-20,000 Hz. Total Harmonic Distortion is less than 0.2% at 95 dB SPL at 1 KHz. Soft, Foam Earcushions- Provide a comfortable and frequency-sensitive listening experience. High Energy, Rare Earth- Deliver high quality stereo sound. Neodymium Magnets 8-foot Straight Y-Cord - For flexibility and convenience of movement. (LB/all-09/20/94)