Excellent – Fully functional with noticeable scratches, scuffs, and normal signs of use. Step-Up Gain: 34 dB (3Ω), 26 dB (20Ω), 23 dB (40Ω). Frequency Response: 10 Hz–80 kHz. Main Specifications Primary Impedance: 3Ω / 20Ω / 40Ω (Selectable).