The catch
Sennheiser MOMENTUM 4 Wireless
The battery is built in. Its owner guide has no equivalent of the MOMENTUM 5 replacement procedure that users can follow, and the frame does not fold inward.
Side by side
Sennheiser Momentum 4 vs Momentum 5: A US spare has to be available for M5 battery swaps
Quick verdict
Stay with or pick MOMENTUM 4 when its lower complete offer covers what you need, particularly if battery-free wired playback is essential. MOMENTUM 5 is the choice for its documented user battery replacement, once you have checked US availability of the BA 500 spare. It does not upgrade the rated runtime. Battery-free AUX on MOMENTUM 5 is not something to count on, because current support requires power and conflicts with its earlier manual.
Before you buy
Why, and what it costs you
Fixing a battery down the line and coping with a flat battery today are different needs
When you travel, the backup that counts is often the one you have before you reach an outlet. MOMENTUM 4 documents analog listening on an empty battery, although ANC stops. MOMENTUM 5 documents a replacement procedure that the user can carry out, but its current FAQ says the analog connection needs power, which conflicts with the earlier manual. The BA 500 procedure also involves screws and careful handling of the speaker cable. Treat it as planned maintenance with a confirmed spare. It is neither an airport battery swap nor a guaranteed unpowered fallback.
Where this comes from
Two separate failure conditions, set against the exact operating and repair instructions. No estimate of battery lifespan or repair time is made.
The catch
Sennheiser MOMENTUM 5 Wireless
Replacing the battery takes the correct spare and careful removal of screws. Whether a spare is available in the US is not established here, and the documentation on battery-free AUX conflicts.
Sennheiser MOMENTUM 4 Wireless
- Why pick it
- A documented analog fallback for an empty battery is something you need. ANC still takes power.
- You are already happy with your MOMENTUM 4, and the newer model has the same stated earcup size and depth.
- The catch
- The battery is built in. Its owner guide has no equivalent of the MOMENTUM 5 replacement procedure that users can follow, and the frame does not fold inward.
Sennheiser MOMENTUM 5 Wireless
- Why pick it
- The documented battery replacement procedure appeals to you, and you have checked that the BA 500 part is available in the US.
- You want the newer supported features and do not depend on battery-free AUX, since current guidance conflicts with the earlier manual.
- The catch
- Replacing the battery takes the correct spare and careful removal of screws. Whether a spare is available in the US is not established here, and the documentation on battery-free AUX conflicts.
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What this page compares
Momentum 4 against Momentum 5, for travel and everyday work. Look at battery repair, wired fallback and automatic power before you pay for the newer model.
Here are neighboring generations of the same travel and work headphone. An upgrade is only useful if it changes an everyday limitation and does not rest on the newer name or on a codec your phone cannot use.
Which one fits
Pick the situations that sound like you
Go on listening over an analog cable without battery power
MOMENTUM 4 documents it, but for MOMENTUM 5 the support page and its earlier manual conflict.
- Sennheiser MOMENTUM 4 Wireless
- Better fit
- Sennheiser MOMENTUM 5 Wireless
- Caution
Plan on a documented battery swap done by the user
A procedure comes with MOMENTUM 5. Before relying on it, confirm that BA 500 is available in the US.
- Sennheiser MOMENTUM 4 Wireless
- Caution
- Sennheiser MOMENTUM 5 Wireless
- Better fit
Pick up after storage with no press of a power button
The older lift-and-wear auto-on behavior is not supported by MOMENTUM 5.
- Sennheiser MOMENTUM 4 Wireless
- Better fit
- Sennheiser MOMENTUM 5 Wireless
- Caution
Choose the newer generation to gain more room for your ears
Sennheiser gives the same earcup size, depth and clamping force. Test the fit and do not assume.
- Sennheiser MOMENTUM 4 Wireless
- Similar
- Sennheiser MOMENTUM 5 Wireless
- Similar
In practice
Differences you will notice
Fixing a battery down the line and coping with a flat battery today are different needs
When you travel, the backup that counts is often the one you have before you reach an outlet. MOMENTUM 4 documents analog listening on an empty battery, although ANC stops. MOMENTUM 5 documents a replacement procedure that the user can carry out, but its current FAQ says the analog connection needs power, which conflicts with the earlier manual. The BA 500 procedure also involves screws and careful handling of the speaker cable. Treat it as planned maintenance with a confirmed spare. It is neither an airport battery swap nor a guaranteed unpowered fallback.
How we worked this out
Two separate failure conditions, set against the exact operating and repair instructions. No estimate of battery lifespan or repair time is made.
A workday full of interruptions can make the older startup routine the better one
If you keep setting the headphones aside to answer the door or move between rooms, separate pausing the music from turning the headphones back on. MOMENTUM 4 can switch itself on when it is lifted and worn. Sennheiser says outright that MOMENTUM 5 has no auto-on function and needs a button press. Both still have playback controls tied to wearing them. The newer model may suit someone who likes deliberate control over power, yet it does not take a step out of every return to the desk.
How we worked this out
Documented startup behavior, applied to repeated interruptions. No advantage in reliability, response time or accidental activation is claimed.
Without another reason, do not upgrade to fix ear space or charging frequency
Suppose MOMENTUM 4 already presses on your ears. Sennheiser’s MOMENTUM 5 FAQ says the earcup size, depth and clamping force are the same. Individual fit can still vary, but a roomier cup is not the documented upgrade. Under the stated iPhone, mid-volume conditions, the newer 57-hour ANC claim is also lower than the older 60-hour claim. A compatible codec or the repair route can still justify MOMENTUM 5. A newer model number settles neither a fit problem nor a wish to charge less often.
How we worked this out
A fit specification within the same family and a comparison of battery claims with their conditions. No measured ranking of comfort, sound or real-world runtime is inferred.
Plug in your setup
Which headphones suit the way you listen?
Start with how you listen. Charging over USB is not the same as playing audio over USB, and some headphones need power even on a cable. These answers are placeholders until you apply your own.
Sennheiser MOMENTUM 4 Wireless
Passes these checksPlays over Bluetooth.
Sennheiser MOMENTUM 5 Wireless
Passes these checksPlays over Bluetooth.
Battery figures are maker claims for the stated mode. They do not reflect measured travel time. Volume, codec, calls and battery age all change runtime. Closed earcups can still leak some sound. Weight alone does not predict comfort. USB audio needs a compatible source and cable. This check does not judge sound quality, mic quality or amplifier power.
Option A
Sennheiser, MOMENTUM 4 Wireless
MOMENTUM 4 Wireless
A documented analog fallback for an empty battery is something you need. ANC still takes power.
- Best for
- A documented analog fallback for an empty battery is something you need. ANC still takes power.
Facts we checked
- Battery-free analog backup: Documented playback with an empty battery, without ANC
- Battery repair: Built-in rechargeable battery
- Starting after storage: Automatic switch-on by lifting and putting on
- Manufacturer ANC battery claim: Up to 60 hours with an iPhone at mid volume
Option B
Sennheiser, MOMENTUM 5 Wireless
MOMENTUM 5 Wireless
The documented battery replacement procedure appeals to you, and you have checked that the BA 500 part is available in the US.
- Best for
- The documented battery replacement procedure appeals to you, and you have checked that the BA 500 part is available in the US.
Facts we checked
- Battery-free analog backup: Conflicting documents. Current support says power is required
- Battery repair: BA 500 user replacement instructions. Check US part availability
- Starting after storage: Button press required. No auto-on function
- Manufacturer ANC battery claim: Up to 57 hours with an iPhone at mid volume
Spec by spec
Where they really differ
| Spec | Sennheiser MOMENTUM 4 Wireless | Sennheiser MOMENTUM 5 Wireless | In practice |
|---|---|---|---|
| Battery-free analog backup | Documented playback with an empty battery, without ANC | Conflicting documents. Current support says power is required | When an unpowered cable is a hard requirement, pick the model whose support for it is unambiguous. |
| Battery repair | Built-in rechargeable battery | BA 500 user replacement instructions. Check US part availability | A repair procedure helps only when the right replacement can really be obtained. |
| Starting after storage | Automatic switch-on by lifting and putting on | Button press required. No auto-on function | Smart Pause and automatic power-on do different jobs. |
| Manufacturer ANC battery claim | Up to 60 hours with an iPhone at mid volume | Up to 57 hours with an iPhone at mid volume | On the stated figures, the newer model is no upgrade in runtime. None of these are results we measured. |
| Desk connection | USB audio and analog input | USB audio and analog input | Replacing MOMENTUM 4 is not justified by USB listening alone. Look at the call application and the audio-device selection. |
| Fit and packing | Earcups turn flat. No inward fold | Same stated earcup size, depth and clamping force. No inward fold | Do not buy the newer model number in the hope of more room around the ears. Try the fit while the seller’s return terms still apply. |
Trade-offs
What each pick costs you
With Sennheiser MOMENTUM 4 Wireless
- USB audio and a long qualified battery claim are already there in a working pair. Replacing it will not automatically fix fit discomfort or make a wired desk simpler.
With Sennheiser MOMENTUM 5 Wireless
- Turning it on takes a button press. The wear sensor on it does not bring back the lift-and-wear automatic power-on routine of MOMENTUM 4.
Change of plan
When the answer changes
You cannot do without a passive travel backup or the older automatic startup
Go with Sennheiser MOMENTUM 4 Wireless. For those routines, MOMENTUM 4 is the clearer documented fit.
Paying the premium for the documented repair procedure makes sense and you can get the spare
Go with Sennheiser MOMENTUM 5 Wireless. Long-term serviceability is what MOMENTUM 5 changes. It does not establish longer runtime or a roomier fit.
Decision guide
Before you buy
Keeping headphones for years is the goal, yet they also have to work today when no charger is around. MOMENTUM 5 documents a battery replacement procedure, while MOMENTUM 4 has the clearer documented battery-free cable fallback.
What this page can’t tell you
- This page claims no controlled test of listening, ANC, microphone or comfort. The contradiction over MOMENTUM 5 analog power is unresolved, so a passive mode is not treated as confirmed either present or absent.
By the numbers
What the data shows
What we found across the headphones we compare, plus the checked facts behind each finding.
Show the facts and the math
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Sennheiser MOMENTUM 4 Wireless |
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| Sennheiser MOMENTUM 5 Wireless |
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Ready to buy
See today’s price and what owners say
Open either model on Amazon for the current price, customer reviews and delivery options.
Sennheiser MOMENTUM 4 Wireless
A documented analog fallback for an empty battery is something you need. ANC still takes power.
You are already happy with your MOMENTUM 4, and the newer model has the same stated earcup size and depth.
See price & reviews on AmazonSennheiser MOMENTUM 5 Wireless
The documented battery replacement procedure appeals to you, and you have checked that the BA 500 part is available in the US.
You want the newer supported features and do not depend on battery-free AUX, since current guidance conflicts with the earlier manual.
See price & reviews on AmazonEach link opens in a new tab.
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