Feliks Audio Echo Classic
Feliks Audio Echo Classic — 最实惠的Feliks Audio电子管耳机放大器，手工制作，温暖自然的声音。
| Amplifier type | Vacuum tube |
| Connectivity | Wired |
| Portability | Not Portable |
[1] 来源：product listing
Feliks Audio Echo Classic — 最实惠的Feliks Audio电子管耳机放大器，手工制作，温暖自然的声音。
| Amplifier type | Vacuum tube |
| Connectivity | Wired |
| Portability | Not Portable |