| Model |  BE 9 |  BE 6 |  BE 12 |  BC 2650 |
| Description | Power Adapter 9VDC 100mA Negative Center Pin | Power Adapter 6VDC 500mA Positive Center Pin -- Discontinued -- No replacement | Power Adapter 9VDC 300mA Positive Center Pin | Power Adapter 5VDC 4A Positive Center Pin |
| Line Voltage | 120VAC 60Hz | 120VAC 60Hz | 120VAC 60Hz | 100-240VAC 50/60Hz |
| Output (Volts) | 9VDC | 6VDC | 9VDC | 5VDC |
| Output (Amps) | 100mA | 500mA | 300mA | 4A |
| Barrell Jack Length (mm) | | | | |
| Barrell Jack O/D (mm) | | | | |
| Barrell Jack I/D (mm) | | | | |
| Center Pin | Negative | Positive | Positive | Positive |
| UL Listed | Yes | | Yes | Yes |
| CSA Listed | Yes | | Yes | Yes |