Sennheiser Momentum 4 vs Bose QuietComfort Ultra: The Battery King Meets the ANC Champion

Based on measurements from RTINGS, SoundGuys, and Head-Fi community reviews, plus real user experiences

The short answer: The Sennheiser Momentum 4 wins for most people. It delivers more accurate sound out of the box, an astonishing 56 hours of battery life (double the Bose), USB-C wired audio support, and costs $140 less. Unless you absolutely need the best noise cancellation money can buy, the Momentum 4 is the smarter purchase. Get the Sennheiser Momentum 4 on Amazon for $289 →

The Fighters

	Sennheiser Momentum 4	Bose QuietComfort Ultra
Price	$289 on Amazon	$429 on Amazon
Best For	Audiophiles, long-trip travelers, value seekers	Frequent flyers, noise-sensitive users, comfort-first listeners
Battery Life	56 hours (ANC on)	27 hours (ANC on)
Weight	293g	250g
ANC Reduction	~75%	~85%

Sennheiser Momentum 4 Wireless headphones in black with signature folding design

The Death Match: 6 Rounds, 1 Winner

We're scoring each round from 1-10. Higher score wins the round. Let's fight!

Round 1: Sound Quality

Both headphones sound excellent, but they take fundamentally different approaches. The Sennheiser Momentum 4 follows what SoundGuys calls a "reference monitor" approach—it aims to reproduce music as accurately as possible with minimal coloration. The result is rich mids, smooth treble, and bass that's present but never overwhelming.

The Bose QuietComfort Ultra prioritizes immediate enjoyment through its CustomTune technology, which uses internal microphones to analyze your ear shape and personalize the sound. Clever, but there's a problem: multiple reviewers report the stock tuning has "TOO MUCH bass" that "completely overpowers the entire frequency response." You'll likely need to dial down the low end in the app to get a balanced sound.

Head-Fi users describe the Momentum 4's mids as "richer" and treble as "better resolving." For critical listening, the Sennheiser wins hands down.

Sennheiser Momentum 4	Bose QuietComfort Ultra
9/10	7/10

Round 1 Winner: Sennheiser Momentum 4 — More accurate, balanced sound without needing EQ adjustments

Score after Round 1: Sennheiser 9 | Bose 7

Round 2: Noise Cancellation

This is Bose's crown jewel. According to SoundGuys' measurements, the QuietComfort Ultra reduces environmental noise by an average of 85%, while the Momentum 4 achieves approximately 75%. That 10% difference is noticeable in challenging environments.

The Bose hybrid ANC system uses microphones both inside and outside the ear cups to detect and cancel noise. It's particularly devastating against low-frequency rumble—airplane engines, train noise, and HVAC systems virtually disappear. Tom's Guide praised wearing them for 10+ hours on flights without fatigue.

The Momentum 4's ANC is "very good" according to most reviewers—strong enough for airplane travel and daily commutes. But if you live in noisy environments or travel frequently, Bose's extra attenuation is meaningful. One caveat: some users detect a slight "white noise hiss" with Bose's ANC that wasn't present on older models.

Sennheiser Momentum 4	Bose QuietComfort Ultra
7/10	9/10

Round 2 Winner: Bose QuietComfort Ultra — Industry-leading noise cancellation that silences the world

Score after Round 2: Sennheiser 16 | Bose 16

Round 3: Battery Life

This round isn't close. SoundGuys tested the Momentum 4 at 56 hours and 21 minutes with ANC enabled. That's not a typo—fifty-six hours. Multiple Head-Fi users confirm achieving 58+ hours in real-world use. One reviewer noted they "rarely need to charge more than once or twice per month."

The Bose QuietComfort Ultra manages a respectable 27 hours and 37 minutes, but that's literally half the Sennheiser's endurance. For frequent travelers who forget chargers, long flights, or anyone who hates battery anxiety, this gap is massive.

Both offer quick charging, with Bose providing 2.5 hours of playback from 15 minutes. But when one headphone outlasts the other by an entire day of continuous use, quick charging becomes less critical.

Sennheiser Momentum 4	Bose QuietComfort Ultra
10/10	6/10

Round 3 Winner: Sennheiser Momentum 4 — 56 hours of battery life is genuinely absurd in the best way

Score after Round 3: Sennheiser 26 | Bose 22

Bose QuietComfort Ultra headphones featuring plush cushioning and lightweight design

Round 4: Comfort

Weight matters for all-day listening, and the Bose is 43 grams lighter at 250g versus 293g. That might sound trivial, but SoundGuys confirms the QuietComfort Ultra is "the more comfortable headphone, due to the lighter weight, plusher headband and earcup cushioning, and less clamping force."

Tom's Guide called them among "the most comfortable while wearing glasses"—high praise for spectacle-wearers who know headphone-induced pressure points. Bose designed these for marathon sessions.

The Momentum 4 is comfortable for most people, but some Head-Fi users report issues: "Could not wear them for longer than 30 minutes without severe discomfort." The earcups run small for larger ears, and the headband padding "could be firmer." Your mileage will vary based on head shape.

Sennheiser Momentum 4	Bose QuietComfort Ultra
7/10	9/10

Round 4 Winner: Bose QuietComfort Ultra — Lighter, plusher, and designed for all-day wear

Score after Round 4: Sennheiser 33 | Bose 31

Round 5: Features & Connectivity

The Momentum 4 packs a unique advantage: USB-C wired audio that works simultaneously with ANC and charging. No other competitor offers this trifecta. Sennheiser's Smart Control app includes Adaptive ANC (adjusts to your environment), geotagged sound profiles that activate automatically based on location, and Smart Pause that stops music when you remove the headphones.

Codec support is excellent on both, but Sennheiser edges ahead with aptX HD and proper USB-C digital audio, while Bose counters with aptX Lossless and Bluetooth LE Audio for future-proofing. Bose's Immersive Audio (spatial sound) is interesting but receives mixed reviews—some call it "tacky," though it shines with compatible content.

Both have finicky controls. Multiple users report the Momentum 4's touch pads are "way too finicky" and trigger accidentally. Bose's capacitive volume strip isn't as precise as physical buttons.

Sennheiser Momentum 4	Bose QuietComfort Ultra
8/10	7/10

Round 5 Winner: Sennheiser Momentum 4 — USB-C audio and smarter app features give it the edge

Score after Round 5: Sennheiser 41 | Bose 38

Round 6: Value for Money

The Momentum 4 retails at $350 but frequently sells for $289—sometimes dropping to $210-250 during sales. The QuietComfort Ultra commands $429-449. That's a $140-200 gap depending on current pricing.

For that premium, Bose offers better ANC, lighter weight, and more comfortable wear. The Sennheiser counters with superior sound accuracy, double the battery life, and USB-C wired audio. Head-Fi reviewers consistently note that at sale prices, the Momentum 4's "value proposition is exceptional."

Unless ANC is your absolute top priority, the Sennheiser delivers more capability per dollar. You get flagship-level sound, marathon battery life, and unique features while keeping $140 in your pocket.

Sennheiser Momentum 4	Bose QuietComfort Ultra
9/10	7/10

Round 6 Winner: Sennheiser Momentum 4 — $140 cheaper with comparable or better performance in most areas

Man wearing headphones while commuting on public transit

Final Score

Product	Total Score	Verdict
Sennheiser Momentum 4	50/60	WINNER
Bose QuietComfort Ultra	45/60

The Winner: Sennheiser Momentum 4

The Momentum 4 wins four of six rounds, and its victories are decisive. Fifty-six hours of battery life is twice the competition. Sound quality is more accurate out of the box. USB-C wired mode with simultaneous ANC and charging is genuinely useful. And you save $140+ while getting all this.

The Bose QuietComfort Ultra isn't far behind—it wins comfort and noise cancellation convincingly. If you spend hours daily on planes or trains, or if you're extremely sensitive to environmental noise, the extra ANC performance might justify the premium. The lighter, plusher design also makes it better for marathon listening sessions.

But for most people buying premium wireless headphones, the Sennheiser Momentum 4 is the smarter choice. You're not sacrificing much ANC performance (75% vs 85% reduction—both excellent), you're gaining significantly better battery life, and you're keeping money in your wallet.

Ready to buy the winner? Get the Sennheiser Momentum 4 on Amazon for $289 →

When the Loser Actually Wins

The Bose QuietComfort Ultra isn't right for everyone, but it's the better choice if:

You fly weekly or work in extremely noisy environments — That extra 10% ANC reduction matters when you're trying to sleep on a red-eye or focus in an open office
You wear glasses — Multiple reviewers call these the most comfortable headphones for spectacle-wearers, with no pressure point issues
Comfort trumps everything — The lighter weight and plusher padding make all-day wear effortless
You want cutting-edge wireless tech — aptX Lossless and Bluetooth LE Audio prepare you for the next generation of Android audio

The Bose QuietComfort Ultra might be right for you: Check price on Amazon →

Frequently Asked Questions

Person relaxing at home with over-ear headphones

Is the Sennheiser Momentum 4's ANC good enough for flights?

Yes. While it doesn't match Bose's industry-leading performance, SoundGuys confirms the Momentum 4's ANC is "completely serviceable and effective enough for airplane travel." Multiple users report comfortable long-haul flights with minimal engine noise breakthrough. You'll hear slightly more ambient sound than with Bose, but the difference isn't dramatic for occasional travelers.

Does the Bose QuietComfort Ultra really have too much bass?

Stock tuning leans heavily into bass—Head-Fi users describe it as "very bloated, muddy" out of the box. The Bose Music app includes EQ controls to fix this, but it requires manual adjustment. If you prefer bass-heavy music or don't want to tinker with settings, you might enjoy the default sound. Audiophiles should expect to spend time tweaking.

Can I use the Sennheiser Momentum 4 wired while charging?

Yes, and this is a unique feature. USB-C connection provides digital audio, charging, and ANC simultaneously. No other major competitor offers this combination. It's particularly useful on flights where you want to preserve battery while listening through the airplane entertainment system.

Which headphones have better call quality?

Both perform well for calls, but neither is exceptional. Users report clear voice transmission on both, though Sennheiser's touch controls can accidentally mute/unmute during calls. For dedicated call use, consider a headset designed for that purpose.