Headphones · Open-back · Dynamic
Meze Audio 109 Pro
All Meze Audio · MSRP $799
The 109 Pro is an open-back dynamic headphone featuring 50 mm drivers and black walnut wood ear cups. It has a 40 Ω impedance and ships with 1.5 m and 3 m cables, a PU leather pouch, and a hard EVA carrying case.
Specifications
| Frequency response | 5 Hz – 30 kHz |
| Sensitivity | 112 dB SPL/mW |
| Impedance | 40 Ω |
| THD | 0.1% |
| Driver | 50 mm |
| Weight | 375 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 | 0.16 V · 0.63 mW |
| Phone or laptop (≈0.70 V, 20 mW) | Enough |
| Dongle DAC/amp (≈2.0 V, 120 mW) | Enough |
Worked out from the stated 112 dB/mW and 40 Ω — not a listening test.
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