| EARPHONE CONTROLLING AGENCY | KNOWLES ELECTRONICS,INC. |
| EARPHONE ELEMENT TYPE | MAGNETIC |
| EARPHONE IDENTIFYING NUMBER | BA1505 PART NO. |
| EARPHONE IMPEDANCE RATING | 600.0 OHMS NOMINAL |
| EARPHONE MOUNTING METHOD | SUSPENDED ON ADJUSTABLE HEADBAND |
| EARPHONE QUANTITY | 2 |
| CONNECTOR NAME | TELEPHONE PLUG |
| CONNECTOR TO JUNCTION CORD LENGTH | 10.000 FEET |
| CONNECTOR CONTROLLING AGENCY | KING ELECTRONICS |
| CONNECTOR IDENTIFYING NUMBER | PJ511 PART NO. |
| CONTROLLING AGENCY | KNOWLES ELECTRONICS,INC. |
| DC RESISTANCE RATING IN OHMS | 3000.0 NOMINAL |
| FREQUENCY RATING | 3000.0 KILOHERTZ MAXIMUM |
| IDENTIFYING NUMBER | BB 1589 PART NO. |
| IMPEDANCE RATING | 50.0 OHMS NOMINAL |
| OUTPUT LEVEL RATING | MINUS 6 DB FOR 98 DB SOUND PRESSURE LEVEL |
| MICROPHONE ELEMENT TYPE | DYNAMIC |
| MICROPHONE MOUNTING FACILITY | ADAPTER FASTENED TO LEFT EARPHONE |
| SPECIAL FEATURES | SWITCH IS LOCKABLE OR NON-LOCKABLE |