Single owner, 6 month old unit - Not broken in! It comes with top-of-the-line Balanced Amp Card
HM-901s: The Core Essence
Aluminum Alloy Modeled and Crafted For Higher Precision and Durability. All new sleek look and feel by German Design team offering superb resolution and exceptional sound Quality.
• Supports Multiple Audio Formats
MP3, ACC, WMA, OGG, APE, WAV, FLAC, AIFF, ALAC (M4A), DSD
The HM901s decodes 24-bit 192kHz high definition music files and offers upsampling to 24/192
• DAC ES9018 for best sound experience
The ES9018 is currently the most expensive DAC chip available. HiFiMan's design team refined this DAC chip by adding an extra oscillator for upgraded performance. The result creates an all new reference among portable and mobile high-res players.
The ES9018 also achieves a wider sound stage with enhance separation.
• Optimized Analog Circuit
The HM901s brings balanced, high quality reproduction of live music to your ears.
Get excellent sound with the OPA2107
Two filter response curves, vintage and HD, give you two different sound experiences
Switch between high & low gain modes for headphones and earphones
Replaceable card design
• Dual-Voltage Doubly Divine Sound
The dual-battery solution of the HM901s provides enhanced performance delivering +/- 7.4 volts, 2,000mA. This reduces the power-supply noise and allows you to enjoy more of your music
• Balanced Output for Perfected Sound Experience
The HM901s brings balanced, high quality music reproduction creating joy for your ears. Designed to be adaptive for both balanced and single-ended output, HM901s offers wider balanced output signals with even more powerful resistance to interference. The soundstage and separation are largely improved.
• New Look
Aluminum alloy modeled and crafted for higher precision and durability.
Exceptionally durable anti-glare screen.
Processed surface quality of the sapphire substrate for scratch resistance.
Newly optimized design with increased shock proof intensity.
• New TAICHI II UI
This newly improved system is the most intuitive user interface possible. Features only a 3 second power on / off ability.
DAC chip: ES9018*2
Op-amp: OPA627*2, OPA2107*2
Frequency response: 20HZ-20KHz
THD: 0.008% (Line out)
SD card memory: up to 256GB
Battery: Li-ion +7.4V 1600 mAh, -7.4V 500mAh
Battery life: 9 hours
Supported music formats: MP3, AAC, WMA, OGG, APE, WAV FLAC, AIFF, ALAC (M4A), DSD
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