✦ SIDE-BY-SIDE COMPARE

QuietComfort Ultra vs Quantum 650: which is better?

QuietComfort Ultra and Quantum 650 compared side by side across 73 specs and 6 scored categories — every winner highlighted, so the right pick is obvious.

2 PRODUCTS · 73 SPECS · 6 SCORED CATEGORIES · LIVE RE-RANKING

COMPARING

2 / 4

HEADPHONES

Add or remove products — every chart and spec row re-ranks live.

← TOP PICK

BOSE

QuietComfort Ultra

$429

BEST OVERALL

JBL

Quantum 650

$200

BEST VALUE

Add product

2 AVAILABLE

⚡ COMPARZONE VERDICT

The QuietComfort Ultra takes the overall win.

Highest composite at 8.9/10 — 0.6 ahead of the Quantum 650. Tightest race: battery, just 0.4 apart. Scroll for the category-by-category breakdown.

View best price →

CATEGORY WINS · 6 SCOREDTIES SHOWN GREY

SOUN

NOIS

COMF

BATT

FEAT

VALU

QuietComfort Ultra×4

Quantum 650×2

Bose QuietComfort Ultra HeadphonesBEST OVERALL

JBL Quantum 650BEST VALUE

01 · SCORE RADAR

Performance profile

CLICK A PRODUCT TO ISOLATE ITS SHAPE

LARGEST GAPNoise Cancelling — QuietComfort Ultra leads by 1.3

TIGHTESTBattery — only 0.4 between the top two

02 · CATEGORY BREAKDOWN

Category showdown

QUIETCOMFOQUANTUM 65

SoundiQuietComfort Ultra · +0.5

QUIETCOMFO9.0

QUANTUM 658.5

Noise CancellingiQuietComfort Ultra · +1.3

QUIETCOMFO9.3

QUANTUM 658.0

ComfortiQuietComfort Ultra · +1.3

QUIETCOMFO9.5

QUANTUM 658.2

BatteryiQuantum 650 · +0.4

QUIETCOMFO8.2

QUANTUM 658.6

FeaturesiQuietComfort Ultra · +0.4

QUIETCOMFO8.8

QUANTUM 658.4

ValueiQuantum 650 · +0.7

QUIETCOMFO8.3

QUANTUM 659.0

03 · VALUE MAP

Price vs performance

TOP-LEFT IS THE SWEET SPOT

SCORE PER $100 · RANKED

01Quantum 6504.15BEST DEAL

02QuietComfort Ultra2.07

Map shows current starting prices · trends show tracked street prices. Check live deals before deciding.

04 · THE FULL SHEET

Full specifications

73 SPECS · ALL SHOWN

SPECS

QuietComfort Ultra$4293W8.9

Quantum 650$2002W8.3

Typei

Over-ear closed-back

Over-ear gaming

Driver SizeMMi

35 mm

50 mm← BEST +43%

Frequency Responsei

Tuned, undisclosed

20 Hz – 20 kHz

Codec Supporti

aptX Adaptive / AAC / SBC

2.4GHz wireless / Bluetooth

Hi-Res Audioi

Yes← BEST

Spatial AudioiSAME

Yes

Battery Life (ANC)HRi

24 hr

28 hr← BEST +17%

Quick Chargei

15 min = 2.5 hours

5 min = 1 hour

Has A WirediSAME

—

Has A WirelessiSAME

—

Bluetooth VersioniSAME

—

Has Aptx AdaptiveiSAME

—

Has AptxiSAME

—

Has LdaciSAME

—

Has LdhciSAME

—

Has Bluetooth Le AudioiSAME

—

Has Aptx Low LatencyiSAME

—

Has Aptx HdiSAME

—

Has Aptx LosslessiSAME

—

Has AaciSAME

—

Has AuracastiSAME

—

Audio LatencyiSAME

—

Maximum Bluetooth RangeMiSAME

—

Has Fast PairingiSAME

—

Supports Bluetooth Pairing Using NfciSAME

—

MultipointiSAME

Yes

FitiSAME

—

Has A Detachable CableiSAME

—

Is Designed for KidsiSAME

—

Can be FoldediSAME

—

Has a Tangle Free CableiSAME

—

Travel Bag is IncludediSAME

—

Has an Open-Back DesigniSAME

—

Cable LengthMiSAME

—

Has Stereo SpeakersiSAME

—

WeightGi

254 g← 21% lighter

320 g

Water Resistancei

IPX4

None

Build QualityiSAME

—

Sound QualityiSAME

—

Release DateiSAME

—

Has A Noise-Canceling MicrophoneiSAME

—

Has Ambient Sound ModeiSAME

—

Has In/On-Ear DetectioniSAME

—

Number Of MicrophonesiSAME

—

Has A Mute FunctioniSAME

—

Multipoint CountiSAME

—

Has A Control Panel On The DeviceiSAME

—

Can Be Used As A HeadsetiSAME

—

Has An In-Line Control PaneliSAME

—

Value-for-MoneyiSAME

—

Warranty PeriodYEARSiSAME

—

Noise IsolationiSAME

—

ComfortiSAME

—

Active Noise CancellationiSAME

Yes

ANC Microphonesi

6← BEST +200%

Battery LifeHOURSiSAME

—

Charge TimeiSAME

—

Has Usb Type-CiSAME

—

Has A Battery Level IndicatoriSAME

—

Has Wireless ChargingiSAME

—

Battery PoweriSAME

—

Has A Solar Power BatteryiSAME

—

Has A Rechargeable BatteryiSAME

—

Has A Removable BatteryiSAME

—

Has Active Noise Cancellation (Anc)iSAME

—

Lowest FrequencyHZiSAME

—

Highest FrequencyHZiSAME

—

Driver Unit SizeMMiSAME

—

ImpedanceOHMSiSAME

—

Supports Spatial AudioiSAME

—

Sound Pressure LevelDB/MWiSAME

—

Has A Neodymium MagnetiSAME

—

Has Passive Noise ReductioniSAME

—

ROW WINS

05 · WHICH ONE IS FOR YOU

Pick by persona

RE-RANKS LIVE AS YOU ADD OR REMOVE PRODUCTS

THE ALL-ROUNDER

Best overall

QuietComfort UltraBOSE8.9

ALL GROUPSEQUAL WEIGHT

Best total score across weighted category factors.

RUNNER-UP · Quantum 650 (8.3)

FOR VALUE SEEKERS

Best bang for buck

Quantum 650JBL8.3

SCORE ÷ PRICELIVE PRICES

Strongest score-to-price ratio from the available price data.

RUNNER-UP · QuietComfort Ultra (2.1)

PRIORITY · COMFORT

Best for comfort

QuietComfort UltraBOSE9.5

COMFORT WEIGHTEDCONF 91%

Best visible score in the comfort category group.

RUNNER-UP · Quantum 650 (8.2)

PRIORITY · NOISE CANCELLING

Best for noise cancelling

QuietComfort UltraBOSE9.3

NOISE CANCELLING WEIGHTEDCONF 89%

Best visible score in the noise cancelling category group.

RUNNER-UP · Quantum 650 (8.0)

06 · BOTTOM LINE

Why pick each

STRENGTHS · AND ONE HONEST TRADE-OFF

#1BOSE0.0

QuietComfort Ultra

“The comfort-and-immersion pick: plush all-day fit, excellent ANC, and Bose Immersive spatial audio.”

Comfort 9.5

Noise Cancelling 9.3

Wins Active Noise Cancellation

Wins ANC Microphones

TRADE-OFF24-hour battery trails rivals

BEST OVERALLBest price →

#2JBL0.0

Quantum 650

“Value wireless gaming headset with punchy sound, ANC, a detachable boom mic, and long-session comfort.”

Value 9.0

Battery 8.6

Wins Battery Life (ANC)

Wins Driver Size

TRADE-OFFPlastic-heavy build

BEST VALUEBest price →

Still deciding? The QuietComfort Ultra is the safest pick.

COMPOSITE 8.9/10 · WINS 4 OF 6 CATEGORIES

Buy the winner →

Bose QuietComfort Ultra Headphones vs JBL Quantum 650: which is better?

The Bose QuietComfort Ultra Headphones is our overall pick, scoring 8.9/10 against 8.3/10 for the JBL Quantum 650 — a 7% edge. Current starting prices span $200–$429. The score weighs category-specific headphones attributes, spec wins, price signals, and data confidence — not sponsorships.

Bose QuietComfort Ultra Headphones leads overall with a 8.9 total score.
Bose QuietComfort Ultra Headphones wins 6 comparable specs with a 8% weighted win rate.
JBL Quantum 650 has the strongest high-impact advantage in Battery Life (ANC).
JBL Quantum 650 has the best visible score-to-price balance based on available starting price.

Bose QuietComfort Ultra HeadphonesWINNER 8.9/10

The comfort-and-immersion pick: plush all-day fit, excellent ANC, and Bose Immersive spatial audio.

Pros

+ Best-in-class comfort
+ Excellent noise cancellation
+ Immersive spatial audio
+ Folds at the hinge for travel

Cons

− 24-hour battery trails rivals
− Expensive
− Immersive mode reduces battery

Best for: Long listening sessions · Comfort-first buyers · Spatial audio fans

“The most comfortable premium ANC headphone with excellent noise cancelling and engaging spatial audio. Battery life trails Sony and the price is high.”

JBL Quantum 6508.3/10

Value wireless gaming headset with punchy sound, ANC, a detachable boom mic, and long-session comfort.

Pros

+ Punchy, energetic gaming sound
+ Effective ANC at the price
+ Detachable boom mic
+ Dual 2.4GHz + Bluetooth

Cons

− Plastic-heavy build
− Mic best for casual chat
− Heavier than premium rivals

Best for: Budget wireless gaming · Casual streamers · Multi-device users

“A strong-value wireless gaming headset with punchy sound, ANC, and a usable mic. The plastic-heavy build and casual-grade mic are the compromises for the price.”

Frequently asked questions

Which is better, Bose QuietComfort Ultra Headphones or JBL Quantum 650?

By ComparZone's weighted scoring of category-specific headphones specs, the Bose QuietComfort Ultra Headphones scores highest overall (8.9/10, 0.6 points ahead of the JBL Quantum 650). It is the better all-round pick, but the right choice depends on your priorities — the spec table above shows exactly where each one wins.

What are the main differences between Bose QuietComfort Ultra Headphones and JBL Quantum 650?

The biggest measurable differences are Battery Life (ANC), Codec Support, Type — with the JBL Quantum 650 leading on Battery Life (ANC). The grouped spec sheet above marks the winner of every comparable spec.

Is the Bose QuietComfort Ultra Headphones better value than the JBL Quantum 650?

The Bose QuietComfort Ultra Headphones starts around $429 and the JBL Quantum 650 around $200. Weigh the score gap against the price gap: a small score lead rarely justifies a large premium unless it comes from the specs you personally care about.

Can I compare other headphones on ComparZone?

Yes — ComparZone supports dynamic comparison pages for any 2 to 4 headphones from the same category, with verified specs, transparent scores, and live prices. See the related comparisons below or build your own from the category page.

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