Sennheiser HD 450 (II) specifications

Brand: Sennheiser

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• Type: dynamic, open headphone
• Drive units:
• Impedance: 60Ω
• Frequency Response: 20Hz to 20kHz
• Input: 200mW (max)
• Maximum SPL:
• Distortion: 0.9%
• Cord length: 3000mm
• Weight: 135g
• Price:
• Year: 1991