| Model | K620 |
| Bluetooth Version 4.2 with USB/MP3 Player | |
| Combined power amplifier | 200W*200W 8Ω |
| Input Inductivity/Impedance Karaok | karaok: 200mv/22 DVD:300mv/22 |
| Background music | 300mv/22 |
| Microphone | 17mv/3.3 |
| output power | Music effect output:190mv/1 |
| bass (150Hz) | 2.5mv/1 |
| Pre out | 3.6mv/1 Music/Microphone Tone Tuning |
| bass | ±10dB(100Hz) |
| mediant | ±10dB(2KHz) |
| A treble | ±10dB(10KHz) |
| Power Supply | 220VAC,50Hz |
| Shape size | 435(W)*88(H)*318(D)mm |
| Weight | 8.5Kg |