тестирование наушников, гарнитур, мп3 плееров, колонок и прочей аудиотехники
| Брэнд | Модель | Соотношение $/кач. | Форм-фактор | Цена ($) | Диапазон частот | Удобство (max 10) | Звук (max 10) | Комплектация (max 10) |
| Knowledge Zenith | RX | 14.25 | 8 | 8-25000Hz | 5 | 5,1 | 2 | |
| Knowledge Zenith | Apparatus | 34.91 | 11 | 7-29000Hz | 7 | 6,3 | 5 | |
| Knowledge Zenith | ED2 | 63 | 6 | 20-20kHz | 5 | 6,1 | 4 | |
| Knowledge Zenith | ATE | 13.56 | 9 | 15-29000Hz | 4 | 5,6 | 7 | |
| Knowledge Zenith | GR | 63.71 | 7 | 6 | 7,4 | 7 | ||
| Knowledge Zenith | ED9 | 37.17 | 12,5 | 7-46200Hz | 6 | 7,8 | 7 | |
| Knowledge Zenith | HDS1 | 40.55 | 11 | 8 | 7,7 | 5 | ||
| Knowledge Zenith | ZS1 | 23.37 | 19 | 20Hz-20000Hz | 6 | 7,8 | 6 | |
| Knowledge Zenith | ED3 Youth Version | 44.8 | 10 | 7-31000Hz | 7 | 7,8 | 7 | |
| Knowledge Zenith | HDS3 | 63.71 | 7 | 18-22000Hz | 8 | 7,2 | 5 | |
| Knowledge Zenith | EDR2 | 10 | 5 | 6 | 3 | 4 | ||
| Knowledge Zenith | ZST | 21.56 | 18 | 20Hz-22000Hz | 8 | 6,5 | 6 | |
| Knowledge Zenith | ZS5 | 68.13 | 32 | 20Hz-20KHzz | 5 | 9,1 | 5 | |
| Knowledge Zenith | ZSE | 55 | 8 | 20Hz - 45KHz | 6 | 7,7 | 4 | |
| Knowledge Zenith | ES3 | 129.73 | 15 | 20Hz-40KHzz | 7 | 8,5 | 6 | |
| Knowledge Zenith | ZS6 | 43.11 | 45 | 20Hz - 22KHz | 4 | 8,5 | 6 |