Headphones · Open-back · Dynamic
Beyerdynamic DT 900 PRO X
All Beyerdynamic · MSRP $320
The DT 900 PRO X is an open-back, over-ear studio headphone designed for mixing and mastering. It features Beyerdynamic's STELLAR.45 driver with a 48-ohm impedance, a detachable mini-XLR cable system, and is manufactured in Germany with replaceable components.
Specifications
| Frequency response | 5 Hz – 40 kHz |
| Sensitivity | 100 dB SPL |
| Impedance | 48 Ω |
| Weight | 345 g |
As stated by the manufacturer — not community data.
Will it drive? · On paper
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 | 0.69 V · 10 mW |
| Phone or laptop (≈0.70 V, 20 mW) | Enough |
| Dongle DAC/amp (≈2.0 V, 120 mW) | Enough |
Worked out from the stated 100 dB/mW and 48 Ω — not a listening test.
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