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。
| Input Impedance | 100 kΩ |
| Frequency Response | 15 - 45000 Hz |
| Output Power | 350 mW |
| Gain | 20 dB |
| THD | 0.4 % |
| Recommended Headphone Impedance | 80 - 600 Ω |
| Headphone Output | 6.3 mm |
| 重量 | 3.5 kg |
| Dimensions | 26.8 × 21.7 × 11.8 cm |
| Power Supply | 230/120 V |
[1] 来源：official product page