Which has better noise cancelling?

Both use adaptive ANC. soundcore claims up to 98% noise reduction in its own lab tests; Sennheiser does not publish a figure. Neither claim is independently verified, so try both if ANC is your top priority.

Which lasts longer on a charge?

The Momentum 4: up to 60 hours with ANC on versus 40 hours for the Space One. The Momentum 4 also charges faster per minute, giving about 6 hours from a 10-minute charge.

Is the Momentum 4 worth $140 more?

Yes if you want aptX Adaptive, wired listening and 20 more hours of battery. No if you mainly want decent ANC for commuting on a tight budget.

Can I use either one wired?

Only the Momentum 4. It has USB-C, 3.5mm and 2.5mm jacks and ships with an airplane adapter. The Space One is Bluetooth only.

Which is better for calls?

The Space One uses 3 mics with AI and claims 2X stronger voice reduction than the Life Q30. The Momentum 4 uses a four-mic array. Both are rated for calls; neither is a dedicated headset.

Do either resist sweat or rain?

No. Neither carries a water or sweat resistance rating, so avoid heavy workouts or rain with both.

soundcore Space One Active Noise Cancelling Headphones vs Sennheiser Momentum 4

Buy the Sennheiser Momentum 4 if sound quality, battery life and wired listening matter most. Buy the soundcore Space One if you want capable ANC headphones for well under $100. As of November 4, 2026, the Space One is $59.99 at Walmart and the Momentum 4 is $199.99 at Amazon, a $140 gap.

Today the soundcore Space One Active Noise Cancelling Headphones costs $140.00 less at its best price.

Ask our shopping agent