Buying an HM-901 or its successors often involves the used market, though some new stock may still be available through specialty retailers.

: Some retailers or direct listings might offer "New" or "Open Box" units of successors like the HM-901S for approximately $1,499 .

: Utilizes two ES9018 chips (one per channel) to achieve high detail separation and a wider soundstage.

: Offers a warmer, "vacuum-tube" style sound.

: Later versions like the HM-901S upgraded from the original's plastic casing to a more durable CNC aluminum alloy for better heat dissipation. Comparison: HM-901 vs. HM-901S CNC Aluminum Alloy ~3 seconds ("Instant On") DSD Support DSD Support Native Support Volume Control Stepped Attenuator Volume Control Improved Stepped Potentiometer