A cylindrical storage that contains simplified frequency cluster. To activate it, users must rotate the cipher wheel to the correct position. Resonators can then extract its data using their Terminal, employing it to optimize the performance of the absorbed Echoes.
Premium Sealed Tube is a Echo Development Material obtainable from Tacet Field.
Other Languages[]
| Language | Official Name |
|---|---|
 English | Premium Sealed Tube |
 Chinese (S) | 特级密音筒 |
 Chinese (T) | 特級密音筒 |
 Japanese | 特級レコードセット |
 Korean | 특급 비밀음파 통 |
 French | Enregistreur premium |
 German | Premium-Versiegeltes Rohr |
 Spanish | Tubo Sellado premium |
Change History[]
Released in Version 1.0
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