Description
More output, more connection choice, and a cleaner portable signal path.
Allegro Pro is designed for listeners who need more output and flexibility than a basic phone dongle. A custom DAC stage and two ES9603 headphone-amplifier chips feed both 3.5 mm single-ended and 4.4 mm balanced outputs
| Input | USB-C |
| Outputs | 3.5 mm single-ended + 4.4 mm balanced |
| Amplifier Stage | 2 x ES9603 headphone-amplifier chips |
| Digital Audio Support | PCM up to 32-bit / 384 kHz |
| 3.5 mm Output Power | Approx. 68 mW at 32 Ohm |
| 4.4 mm Output Power | Approx. 170 mW at 32 Ohm |
| SNR | ≥113 dB |
| THD+N | <0.006% at 32 Ohm |
| Frequency Response | 20 Hz–40 kHz |
| Additional Features | Selectable sound modes and RGB status lighting |
| Compatibility | Compatible USB-C phones, tablets, computers, and gaming devices |










