- DAC chip: ES9018*2
- Op-amp: OPA627*2, OPA2107*2
- Frequency response: 20Hz-20KHz
- THD: 0.008% (Line out)
- S/N: 106 ± 4dB
- SD card memory: up to 256 GB
- Battery life: 9 hours
- Supported music formats: MP3, AAC, WMA, OGG, APE, WAV, FLAC, AIFF, ALAC (M4A), DSD.
- Aluminum alloy modeled and crafted for higher precision and durability.
- Processed surface quality of the sapphire substrate for scratch resistance
- Exceptionally durable anti-glare screen
- Newly optimized design with increased shockproof intensity the HM901s’ exceptional performance comes from the dual-battery solution, delivering +/- 7.4 volts, 2,000mA.
- Effectively reducing power-supply noise allows you to enjoy more of the music.