The Speakon NL4 is a professional speaker connector from Neutrik, used for loudspeakers and amplifiers in live sound. It is a locking twist connector that cannot accidentally disconnect and handles high current.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1+ | 1+ | Channel 1 positive (high or full range) | ADC |
| 1- | 1- | Channel 1 negative (return) | ADC |
| 2+ | 2+ | Channel 2 positive (low or subwoofer) | ADC |
| 2- | 2- | Channel 2 negative (return) | ADC |