| EARPHONE IDENTIFYING NUMBER | 504123 PART NO. |
| EARPHONE IMPEDANCE RATING | 0.16 OHMS NOMINAL |
| CONNECTOR TO JUNCTION CORD LENGTH | 9.84 FEET |
| FREQUENCY RATING | 0.17 HERTZ NOMINAL AND 0.22 KILOHERTZ NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SENNHEISER PC 310 HEADSET |
| SPECIAL FEATURES | STEREO; BLACK; OVER THE HEAD; BINAURAL EAR CUP; NOISE CANCELLING MICROPHONE; CUSHIONED EAR PADS; OPEN DESIGN EAR CUPS LETS IN AIR TO KEEP YOUR HEAD COOLED DOWN; LIGHTWEIGHT; |