| Form Factor | Headphone - Circumaural |
| Signal Path | Passive Hardware |
| Notes | A revolutionary development for record shops: the DT 49 "stick" headphone gave rise to the famous disc bars. |
| Form Factor | Headphone - Circumaural |
| Signal Path | Passive Hardware |
| Notes | A revolutionary development for record shops: the DT 49 "stick" headphone gave rise to the famous disc bars. |