AKG K 412 P Casti Mini AKG K 412 P Casti Mini Headphones weight without cable (g) 63 Sensitivity (dB/mW, dB/V*) 125* Audio bandwidth (Hz to kHz) 13-27 Rated impedance (ohms) 32 3D-Axis (folding mechanism) Yes Patented self-adjusting headband Yes Unbreakable metal arches Yes 99