Denon AH-D9200

Over-ear wired headphones from Denon, made in Japan, with 50mm nanofiber FreeEdge drivers, neodymium magnets and Japanese bamboo housings. It is the top model in Denon's over-ear line, above the AH-D7200 and AH-D5200, and ships with two detachable cables.
| Frequency response | 5 Hz – 56 kHz |
| Sensitivity | 105 dB/mW |
| Impedance | 24 Ω |
| Driver | 50 mm |
| Weight | 375 g |
As stated by the manufacturer — not community data.
Plays straight from a phone
A phone or laptop reaches full listening level. An amp is a choice, not a requirement.
| Needs, for 110 dB peaks | 0.28 V · 3.2 mW |
| Phone or laptop (≈0.70 V, 20 mW) | Enough |
| Dongle DAC/amp (≈2.0 V, 120 mW) | Enough |
Worked out from the stated 105 dB/mW and 24 Ω — not a listening test.
Three words is enough to start the page — warm or bright, lean or full, smooth or energetic.
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