Looking for an honest JBL Tour One M2 vs Marshall Monitor III ANC comparison in 2026? We scored both headphones on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the JBL Tour One M2 comes out ahead 71/100 to 47/100 — a 24-point gap. The widest gap is in performance, where the JBL Tour One M2 pulls noticeably ahead. On price the JBL Tour One M2 undercuts the Marshall Monitor III ANC by 41% ($247.95 vs $349), which materially changes the value calculus for budget-conscious buyers.

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JBL Tour One M2 clearly outperforms the Marshall Monitor III ANC in the headphones category, especially in performance, scoring 71 vs 47. If you want the better overall headphones, JBL Tour One M2 is the recommended choice.
Picking JBL Tour One M2 over Marshall Monitor III ANC means trading these off.
Nada significativo — las especificaciones son prácticamente iguales
JBL
$248
Scores are relative within the headphonescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
| Spec | JBL Tour One M2W | Marshall Monitor III ANC |
|---|---|---|
| Type | Over-ear | — |
| Driver Type | Dynamic | — |
| Driver Size | 40mm | 40mm |
| Frequency Response | 10 Hz - 40,000 Hz | — |
| Impedance | 16 Ohm | — |
| Sensitivity | 95 dB/mW | — |
| ANC | Adaptive Noise Cancelling | — |
| Transparency Mode | Yes (Ambient Aware) | — |
| EQ App | JBL Headphones App | — |
| Touch Controls | Yes (touch panel) | — |
| Voice Assistant | Google Assistant, Alexa | — |
| Battery Life | 50hrs✓ | 30hrs |
| Bluetooth | Bluetooth 5.0 | — |
| Codecs | SBC, AAC | — |
| Multipoint | Yes (2 devices) | — |
| Foldable | Yes | — |
| Weight | 300g | 300g |
| Colors | Black | — |
| Price | 247.95$✓ | 349$ |
Buy JBL Tour One M2 if…
Buy the JBL Tour One M2 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Marshall Monitor III ANC if…
The Marshall Monitor III ANC is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
JBL Tour One M2 clearly outperforms the Marshall Monitor III ANC in the headphones category, especially in performance, scoring 71 vs 47. If you want the better overall headphones, JBL Tour One M2 is the recommended choice.
Yes, JBL Tour One M2 scores higher overall (71 vs 47).
JBL Tour One M2 is cheaper at $247.95 vs $349 for the Marshall Monitor III ANC.
Buy the JBL Tour One M2 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
The Marshall Monitor III ANC is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
JBL Tour One M2 lasts longer with 50 hours vs 30 hours for the other.
Reviewed by VersusMatrix Editorial Team
Last updated: May 10, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.