Sennheiser HD558

Model has been discontinued. If you are lucky you may find a left over unit for under $90

Technical Information:

Impedance: 50 Ohm

Sensitivity: 112dB/V

Amplifier requirement: No (but make sure output impedance is under 5 Ohm)

Detachable Cable: Yes


Target Headphone Loudness: 110,0 dB Sound Pressure Level

Power Required: 12,62 Milliwatts

Voltage Required: 0,7943 Volts

Current Required: 15,89 milliamps