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Sennheiser/ CX
CX True Wireless
Versatile true wireless earbuds focused on sound quality
June 29, 2021129 $ at launchNo ANC
Generation Lineage
Came before
CX 400BT True Wireless
2020
Current
You are viewing
CX True Wireless
2021
Came next
CX Plus True Wireless
2021
9 hEarbud only
27 hWith case
IPX4Resistance
5.2Bluetooth
Did you know? — Battery life improved by 35% over its predecessor. Explore battery evolution →
Battery Benchmark · 9 h
Offering 9 h per charge placed this model well above the historical average of early generations (~4-5h).
Lineage DNA
Tracked since CX 400BT True Wireless (2020), the first model in the line.
Battery life (earbud)
9 h+29% since the 1st model★ line record
Total battery life (case)
27 h+35% since the 1st model★ line record
Weight per earbud
6 g0% since the 1st model★ line record
Launch price
129 $-35% since the 1st model★ line record
Entity graph
Explore this story
3 generationsSennheiser CX
2020 → 2021
Comfort & durability
Weight per earbud6 g
CertificationIPX4
Battery life
Earbud only9 h
With case27 h
General
Release dateJune 29, 2021
Launch price129 $
Compared to CX 400BT True Wireless
- ++29% earbud-only battery life
- ++35% total battery life with case
- ·IPX4 rating vs —
- ·Bluetooth 5.2 vs 5.1
- +$70 cheaper at launch
Popular comparisons
CX True Wireless vs CX 400BT True Wireless
Previous model · Sennheiser · 2020
CX True Wireless vs CX Plus True Wireless
Next model · Sennheiser · 2021
CX True Wireless vs Push
Competing alternative · Skullcandy · 2019
Also released in 2021
2021What else happened this year?
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