Skip to content
HearWiki

Cambridge Audio Melomania A100 vs Sennheiser CX True Wireless: which should you buy?

On aggregated review scores the Cambridge Audio Melomania A100 comes out ahead with a HearWiki score of 86. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Cambridge Audio Melomania A100 - Outstanding overall at around $99.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Cambridge Audio Melomania A100 leads on 6 of 7 measures.

  • Cambridge Audio Melomania A100
  • Sennheiser CX True Wireless
HearWiki score
86
63
Sound
9.0
6.7
Noise cancelling
7.8
-
Battery
8.5
6.0
Calls
8.0
5.3
Value
9.6
-
Price (USD)
$99
$80

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

New platform

Cambridge Audio Melomania A100 (2025) against Sennheiser CX True Wireless (2021). The Cambridge Audio Melomania A100 is the newer platform here: Bluetooth 5.4 against 5.2, Top codec aptX Lossless against aptX and ANC type Adaptive against None. It also adds Multipoint pairing, Wireless charging, Transparency mode and Water resistance IPX5 against IPX4.

  • Melomania A10020254 yr newer
  • CX True Wireless2021
What differsMelomania A100CX True Wireless

Platform

Bluetooth
5.4
5.2
Top codec
aptX Lossless
aptX
ANC type
Adaptive
None

Everyday features

Multipoint pairing
Yes
No
Wireless charging
Yes
No
Transparency mode
Yes
No
Water resistance
IPX5
IPX4

Level on: USB-C, Custom EQ, Companion app.

Specifications

Melomania A100CX True Wireless
Type
True Wireless
True Wireless
Price (USD)
$99
$80
HearWiki score
86
63
Released
2025
2021
Availability
Sold new
Still sold new
Driver
10 mm dynamic
7 mm dynamic
Driver type
dynamic
dynamic
Driver size
10 mm
7 mm
Drivers per side
1
1
Frequency response
20 Hz - 20 kHz
5 Hz - 21 kHz
Impedance
25 Ω
16 Ω
Sensitivity
-
110 dB/mW
Bluetooth
5.4
5.2
Codecs
SBC, AAC, aptX Adaptive, aptX Lossless, LDAC
SBC, AAC, aptX
Multipoint pairing
Yes
No
Battery life
11 h
9 h
Battery life (ANC on)
6.5 h
-
Battery incl. case
39 h
27 h
Full charge time
66 min
90 min
Quick charge
10 min → 3.2 h
15 min → 1 h
Wireless charging
Yes
No
Active noise cancelling
Yes
No
ANC type
adaptive
none
Transparency mode
Yes
No
Companion app
Yes
Yes
Custom EQ
Yes
Yes
Wear detection
No
No
Controls
touch
touch
Voice assistant
Google Assistant, Siri
Yes
Weight
9.4 g
6 g
Case weight
38.7 g
37 g
Water resistance
IPX5
IPX4
USB-C
Yes
Yes
Pad material
silicone
-
Model code
-
CX200TW1
Microphones
6
2
Call noise reduction
Yes
-

What reviewers said

Cambridge Audio Melomania A100

The Cambridge Audio Melomania A100 are true wireless earbuds that deliver a versatile feature set at a mid-range price. They combine adaptive active noise cancellation with high-resolution wireless audio support, including LDAC and aptX Lossless, along with a comfortable, water-resistant design. With a lengthy total battery life and convenient extras like wireless charging and multipoint, they aim to be a well-rounded daily companion.

  • Pro:Excellent codec support including LDAC and aptX Lossless
  • Pro:Adaptive ANC and transparency mode for flexible listening
  • Pro:Long total battery life with wireless charging case
  • Con:Battery life drops significantly with ANC enabled
  • Con:Touch controls may take time to master
  • Con:No mention of ear tips or fit accessories in specs

Sennheiser CX True Wireless

The Sennheiser CX True Wireless earbuds deliver a balanced, neutral sound signature that suits listeners who prefer accurate tuning over a bass-heavy or overly bright presentation. They offer a solid feature set for the price, including aptX support, Bluetooth 5.2, touch controls, and an IPX4 rating, though they lack active noise cancellation and multipoint connectivity. Battery life is respectable on paper, but real-world performance may vary slightly from the manufacturer's claims.

  • Pro:Balanced, neutral sound profile
  • Pro:Good codec support (SBC, AAC, aptX)
  • Pro:Compact and lightweight design with IPX4 water resistance
  • Con:No active noise cancellation or transparency mode
  • Con:No multipoint connectivity
  • Con:Battery life may fall short of the advertised 9 hours in real-world use

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

Compare something else

Swap either side out, or start again from the picker.

New comparisonCambridge Audio Melomania A100Sennheiser CX True Wireless