For sale: HIFIMAN Organic • Purchase date: January 31, 2026. • Usage period: Approximately 3 and a half months. • Accessories: Complete with original box. Technical Specifications: • Type: Planar Magnetic (Open-back). • Frequency: 8Hz - 65kHz. • Impedance: 16Ω. • Sensitivity: 93dB. • Weight: 440 grams.