Bose QuietComfort Ultra Headphones (2nd Gen) vs Sennheiser HDB 630: which should you buy?

Answer worked out Oct. 31, 2026

Bose QuietComfort Ultra Headphones (2nd Gen) price: Checked Oct. 31, 2026

Sennheiser HDB 630 price: Checked Oct. 31, 2026

Get the Bose QuietComfort Ultra Headphones (2nd Gen) for comfort.

Get the Sennheiser HDB 630 for sound quality.

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Bose QuietComfort Ultra Headphones (2nd Gen) vs Sennheiser HDB 630

Bose QuietComfort Ultra Headphones (2nd Gen)
BOSE

Bose QuietComfort Ultra Headphones (2nd Gen)

$369 at Amazon
Sennheiser HDB 630
SENNHEISER

Sennheiser HDB 630

$429.95 at Sennheiser
  1. Bose QuietComfort Ultra Headphones (2nd Gen): 264gWeight+47 gSennheiser HDB 630: 311 g
  2. Bose QuietComfort Ultra Headphones (2nd Gen): Up to 30 hrs in Quiet and Aware modes (23 with Immersive Audio on, 45 with ANC off); 15 min charge = 3 hrsBatterySennheiser HDB 630: Up to 60 hours on a charge
  3. Bose QuietComfort Ultra Headphones (2nd Gen): No IP rating; not waterproofWater resistanceSennheiser HDB 630: Not waterproof
  4. Bose QuietComfort Ultra Headphones (2nd Gen): Bluetooth 5.4, multipoint (2 devices); SBC, AAC, aptX Adaptive; USB-C audio; 2.5mm audio cableConnectivitySennheiser HDB 630: Bluetooth 5.2 with aptX Adaptive, aptX HD, aptX, AAC and SBC; BTD 700 USB-C Bluetooth dongle included; USB-C audio; 3.5 mm input
  5. Bose QuietComfort Ultra Headphones (2nd Gen): $369Price today$60.95 apartSennheiser HDB 630: $429.95
Bose QuietComfort Ultra Headphones (2nd Gen)

See Bose QuietComfort Ultra Headphones (2nd Gen) prices

Sennheiser HDB 630
Buy at Sennheiser$429.95
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All the details

Key differences

  • Weight: 264g vs 311 gBose QuietComfort Ultra Headphones (2nd Gen): 264g (264g (0.583lb)) ConfirmedSourceSennheiser HDB 630: 311 g (311 g without cable) ConfirmedSource

From each maker's own specifications. A point is listed only when both makers state a figure and the two differ; a point either maker does not state is left out, never guessed. Two figures measured under different conditions are shown side by side, not compared.

Who should buy which

  • The Sennheiser HDB 630 Guide names it for music, battery life and travel.Music: Lifelike mids and a wide soundstage come from Sennheiser's own 42 mm transducer, with lossless playback up to 24 bit/96 kHz over USB-C. Source linkedSourceBattery life: Listen for days, not hours: up to 60 hours of battery operation. ConfirmedSourceTravel: Adaptive noise cancellation blocks distractions without dulling clarity or balance, and Transparency is a double tap away. Source linkedSource

The Bose QuietComfort Ultra Headphones (2nd Gen) Guide does not name what it is best for yet, so this list does not compare the two.

From what each Guide names the product best for.

Side by side

FeatureBose QuietComfort Ultra Headphones (2nd Gen)Sennheiser HDB 630
BatteryUp to 30 hrs in Quiet and Aware modesUp to 60 hours on a charge
Weight264g (0.583lb)311 g without cableBose264 gSennheiser311 g
Water resistanceNo IP rating; not waterproofNot waterproof
ConnectivityBluetooth 5.4, multipointBluetooth 5.2 with aptX Adaptive, aptX HD, aptX, AAC and SBC
Status lightStatus lightLED indicator
ControlsTouch volume strip with a custom shortcut, multi-function button, power/Bluetooth buttonTouchpad gestures
Noise cancellingAdjustable noise cancelling with ActiveSenseAdaptive noise cancellation, plus Transparency mode
Works withiPhone and Android, Bose appiPhone and Android over Bluetooth
Lossless audioYes, over USB-CYes, up to 24-bit/96 kHz over USB-C or the 3.5 mm cable
CaseCarry caseProtective travel case

Bose QuietComfort Ultra Headphones (2nd Gen)

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Works with your phone

iPhone
WorksWorks
Android
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Sources

BoseSennheiserSennheiserBose NewsroomBoseSennheiser Newsroom
Bose QuietComfort Ultra Headphones (2nd Gen) vs Sony WH-1000XM6