WeSC Maraca Headphone (Dark Shadow) (Discontinued by Manufacturer) Type: 40 MM Power Drivers 1kHz Sensitivity: 120 dB Impedance: 32 Ohms Frequency Range: 20-20 001 Hz Plug: 3.5 MM Stereo & Fabric Cord: 0.3 M + 1.0 M Extension 40mm power drivers 1khz sensitivity: 120 DB, Impedence: 32 OHMS, Frequence Range: 20-20 001HZ Plug: Gold plated 3.5 MM Stereo