Sennheiser Momentum 4 Wireless Headphones vs Beyerdynamic DT 900 PRO X Headphones

It is a toss-up, take the Sennheiser Momentum 4 Wireless Headphones. Neither one leads on more of the chart than the other: the Sennheiser Momentum 4...

Sennheiser Momentum 4 Wireless Headphones
Sennheiser
Sennheiser Momentum 4 Wireless Headphones
$299.95
Beyerdynamic DT 900 PRO X Headphones
Beyerdynamic
Beyerdynamic DT 900 PRO X Headphones
$319.99

The Ruling

Sennheiser Momentum 4 Wireless Headphones or Beyerdynamic DT 900 PRO X Headphones? It is a toss-up — take the Sennheiser Momentum 4 Wireless Headphones.

Neither one leads on more of the chart than the other: the Sennheiser Momentum 4 Wireless Headphones takes Isolation, the Beyerdynamic DT 900 PRO X Headphones takes Drivers. With the trade even, $20.04 is the tiebreaker, and the Sennheiser Momentum 4 Wireless Headphones is the cheaper side of it.

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Unless…

At a Glance

Where each one actually leads

Every axis is scored out of 10 from the catalog specs below. The scores are relative to the products on this page, so a 10 means “best of these”, not “perfect”, and two identical columns mean the catalog genuinely cannot separate them. Axes the catalog holds no figure for on both sides are left off entirely rather than guessed at.

CategorySennheiser Momentum 4 Wireless HeadphonesBeyerdynamic DT 900 PRO X Headphones
Low-End Reach10/1010/10
High-End Reach10/1010/10
Isolation10/100/10
Drivers9.3/1010/10
Value10/109.4/10

The Split

What each one wins

Sennheiser Momentum 4 Wireless Headphones

Listening solution for creator monitoring, gaming, editing, and long-session comfort.

On paper the Sennheiser Momentum 4 Wireless Headphones takes active noise cancelling (Yes). It gives up driver size to the Beyerdynamic DT 900 PRO X Headphones. It is the cheaper of the two, by $20.04.

Leads on

  • Active Noise Cancelling
    Yes
    No

    ANC cancels steady background noise — useful for editing in a room you do not control.

Beyerdynamic DT 900 PRO X Headphones

Listening solution for creator monitoring, gaming, editing, and long-session comfort.

On paper the Beyerdynamic DT 900 PRO X Headphones takes driver size (45mm, +3mm). It gives up active noise cancelling to the Sennheiser Momentum 4 Wireless Headphones. That costs $20.04 more than the Sennheiser Momentum 4 Wireless Headphones.

Leads on

  • Driver Size +3mm
    45mm
    42mm

    Larger drivers move more air, which usually means more low-end weight.

Where they’re identical

These 2 specs are the same on both of them, so none of it is part of the decision.

  • Frequency Response 20Hz-20kHz
  • Fit Over-ear

The Record

14 specs, grouped by area

Full specification comparison of Sennheiser Momentum 4 Wireless Headphones and Beyerdynamic DT 900 PRO X Headphones, grouped by area.
Specification
Sennheiser
Sennheiser Momentum 4 Wireless Headphones
Beyerdynamic
Beyerdynamic DT 900 PRO X Headphones
IsolationSennheiser Momentum 4 Wireless Headphones
Active Noise Cancelling✓ YesNo
EnclosureClosed-backOpen-back
DriversBeyerdynamic DT 900 PRO X Headphones
Sensitivityno data100 dB
Driver Size42mm✓ 45mm
Impedanceno data48 Ohms
Creator FeaturesNot enough data
MicrophoneBuilt-inNone
ConnectivityNot enough data
Cable Lengthno data3 m
Connection Typetrs, bluetoothtrrs
PowerNot enough data
Battery Life60 hoursno data
BuildNot enough data
FitOver-earOver-ear
Weightno data345 g
CompatibilityNot enough data
Operating Systemno datano data
Other specsEven
Frequency Response20Hz-20kHz20Hz-20kHz
WirelessYesNo

A group is won by whoever takes more of its rows outright. Specs the catalog cannot rank are shown but never decide a group.

Bottom Line

Who each one is for

The Sennheiser Momentum 4 Wireless Headphones is the pick on the specs the catalog holds, but “better on paper” and “right for you” are different questions. Each case below names what the product is actually good at and who that suits.

Our pick

At $299.95, the Sennheiser Momentum 4 Wireless Headphones is the most affordable option in this comparison. It leads in active noise cancelling (Yes). Offers the most spec advantages per dollar in this comparison.

  • + Better active noise cancelling (Yes vs No)
  • + Exclusive connectivity: TRS, BLUETOOTH
  • × Weaker driver size (42mm vs 45mm)

Also worth knowing

  • ✓ You want the stronger active noise cancelling (Yes)
  • ✓ Budget is your top priority — $20.04 less than the priciest option
  • ✓ You work in a room whose noise you cannot control

Look elsewhere if

  • × You need the best driver size available

Best for value-focused buyers, gamers.

The alternative
Solid Alternative

At $319.99, the Beyerdynamic DT 900 PRO X Headphones is the priciest option — a premium pick if brand, build, or specific features matter to you. It leads in driver size (45mm). A capable option with its own strengths.

  • + Better driver size (45mm vs 42mm)
  • + Exclusive connectivity: TRRS
  • × Weaker active noise cancelling (No vs Yes)

Also worth knowing

  • ✓ You want the stronger driver size (45mm)

Look elsewhere if

  • × You're on a tight budget — save $20.04 with a cheaper option
  • × You need the best active noise cancelling available

Best for open to alternatives.

Frequently Asked Questions

What is the main difference between Sennheiser Momentum 4 Wireless Headphones and Beyerdynamic DT 900 PRO X Headphones?

The clearest difference is active noise cancelling, which the Sennheiser Momentum 4 Wireless Headphones has and the Beyerdynamic DT 900 PRO X Headphones does not. Across the catalog's specification sheet the two differ on 2 specs. They match on 2 specs, including frequency response and fit. Two headphones from Sennheiser and Beyerdynamic, each taking a different approach to sound signature and comfort for long sessions.

Which is better for streaming, Sennheiser Momentum 4 Wireless Headphones or Beyerdynamic DT 900 PRO X Headphones?

It is a toss-up — take the Sennheiser Momentum 4 Wireless Headphones. Neither one leads on more of the chart than the other: the Sennheiser Momentum 4 Wireless Headphones takes Isolation, the Beyerdynamic DT 900 PRO X Headphones takes Drivers. With the trade even, $20.04 is the tiebreaker, and the Sennheiser Momentum 4 Wireless Headphones is the cheaper side of it.

Is the Beyerdynamic DT 900 PRO X Headphones worth the extra $20 over the Sennheiser Momentum 4 Wireless Headphones?

The Beyerdynamic DT 900 PRO X Headphones costs $319.99 against $299.95, a difference of $20. The premium buys driver size (45mm). Whether that is worth it depends on which of those you would actually use.

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