Check at following Merchants
Specifications
ManufacturerShure
Part #SRH840
TypeCircumaural
Frequency Response5 Hz - 25 kHz
MicrophoneNo
WirelessNo
Enclosure TypeClosed
ColorBlack
Active Noise CancellingNo
ConnectionStereo 3.5mm Audio
Channels2.0
Impedance44 Ω
Sensitivity at 1 V RMS102 dB
UPC Codes721405631025, 720189181030, 042406171922