Muse HiFi M3 Ultra is a brand-new portable vacuum tube DAC and headphone amplifier designed to bring the rich, warm sound of analog tubes right to your pocket. Featuring a fully balanced circuit design from the ground up, the M3 Ultra is equipped with dual military-grade JAN6418 vacuum tubes, an ES9028Q2M DAC, and a dedicated ES9603Q amplifier chip. This unique combination ensures you get a beautifully detailed sound signature with rich vocals, thick tube-sound and a strong power output of up to 480mW at 32Ω. Protected by Muse HiFi's striking "WORLD GATE" hollow structure and their innovative Triple Anti-Vibration technology, the M3 Ultra delivers pure, uninterrupted tube sound wherever you go, all in a chassis that weighs a mere 55 grams!
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Specification
| Model | M3 Ultra |
| DAC Chip | ES9028Q2M |
| Amp Chip | Dedicated ES9603Q |
| USB Chipset | Advanced SA9137L |
| Input Interface | Type-C |
| Sampling Rate | Hi-Res PCM (32-bit/384kHz) and Native DSD256 Decoding |
| Headphone Out | 3.5mm Single-ended/4.4mm Balanced |
| Output Power | 460mW@32Ω Single-ended/480mW@32Ω Balanced |
| Frequency Response | 20Hz-20kHz |
| SNR | 120dB Single-ended/121dB Balanced (1kHz, A-weighted, 32Ω Load) |
| THD+N Ratio | 3.5mm: 0.0004% 4.4mm: 0.0003% (A-weighted, 32Ω Load) |
| Feature | Power-Off Volume Memory, Vacuum Tube |
| Warranty | 1 year on manufacturing defects |
Package list
| M3 Ultra * 1 |
| USB-C to USB-C cable * 1 |
| USB-C to Lightning cable * 1 |
| User Manual * 1 |
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