| 1. Duct height | String | X | |||
| 2. Channel diameter | String | ↑ | X | ||
| 3. Duct width | String | ↑ | X |
| 1. Maximum coolant temperature | String | X | |||
| 2. Maximum coolant pressure | String | ↑ | X | ||
| 3. Withdrawal | String | ↑ | X | ||
| 4. Supply | String | ↑ | X | ||
| 5. Operating current | String | ↑ | X | ||
| 6. Number of connected phases | String | ↑ | X |
| 1. Maximum air exchange | String | X | |||
| 2. Min. air flow rate | String | ↑ | X | ||
| 3. Minimum air exchange | String | ↑ | X | ||
| 4. Heat output at 110°C inlet and 70°C outlet | String | ↑ | X | ||
| 5. Heat output at 90°C inlet and 70°C outlet | String | ↑ | X |
| 1. Breaking load in open position | String | X | |||
| 2. Breaking load of the longitudinal axis | String | ↑ | X | ||
| 3. Disclosure | String | ↑ | X | ||
| 4. Lock system | String | ↑ | X | ||
| 5. Coupling type | String | ↑ | X |
| 1. Ethernet | String | X | |||
| 2. Analog input | String | ↑ | X | ||
| 3. Analog output | String | ↑ | X | ||
| 4. Coaxial audio input | String | ↑ | X | ||
| 5. Number of USB | String | ↑ | X | ||
| 6. Number of analog inputs | String | ↑ | X | ||
| 7. Number of analog outputs | String | ↑ | X | ||
| 8. Composite input | String | ↑ | X |
| 1. Sound effects | String | X | |||
| 2. Karaoke system class | String | ↑ | X | ||
| 3. Number of songs in the database | String | ↑ | X | ||
| 4. Number of preset songs | String | ↑ | X | ||
| 5. Supported audio/video formats | String | ↑ | X | ||
| 6. Scoring system | String | ↑ | X | ||
| 7. Control via PC/tablet | String | ↑ | X | ||
| 8. Duet function | String | ↑ | X |
| 1. Number of connected microphones | String | X | |||
| 2. Maximum speaker volume | String | ↑ | X | ||
| 3. Supported memory cards | String | ↑ | X | ||
| 4. CD/DVD drive | String | ↑ | X |