Cambridge Audio Melomania A100 vs OnePlus Buds 4: 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.

True Wireless

Cambridge Audio Melomania A100

86Outstanding

$99

Full review data

True Wireless

OnePlus Buds 4

83Outstanding

$120

Full review data

Score breakdown

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

Cambridge Audio Melomania A100 leads on 5 of 7 measures.

Cambridge Audio Melomania A100
OnePlus Buds 4

HearWiki score

Sound

9.0

8.8

Noise cancelling

7.8

8.4

Battery

8.5

6.3

Calls

8.0

Value

9.6

8.5

Price (USD)

$99

$120

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?

Half a step newer

Both shipped in 2025. The Cambridge Audio Melomania A100 edges ahead on platform, but only just: Top codec aptX Lossless against LHDC.

Melomania A1002025
Buds 42025

What differsMelomania A100Buds 4

Top codec: aptX Lossless; LHDC
Wireless charging: Yes; No
Water resistance: IPX5; IP55

Level on: Bluetooth, ANC type, Multipoint pairing, USB-C, Transparency mode, Custom EQ, Companion app.

Specifications

Melomania A100Buds 4

Type: True Wireless; True Wireless
Price (USD): $99; $120
HearWiki score: 86; 83
Released: 2025; 2025
Availability: Sold new; Sold new
Driver: 10 mm dynamic; 2-driver hybrid
Driver type: dynamic; hybrid
Driver size: 10 mm; 11 mm
Drivers per side: 1; 2
Frequency response: 20 Hz - 20 kHz; 15 Hz - 40 kHz
Impedance: 25 Ω; 18 Ω
Sensitivity: -; 96.5 dB/mW
Bluetooth: 5.4; 5.4
Codecs: SBC, AAC, aptX Adaptive, aptX Lossless, LDAC; AAC, LHDC
Multipoint pairing: Yes; Yes
Latency: -; 47 ms
Wireless range: -; 10 m
Battery life: 11 h; 11 h
Battery life (ANC on): 6.5 h; 6 h
Battery incl. case: 39 h; 45 h
Full charge time: 66 min; 10 min
Quick charge: 10 min → 3.2 h; 10 min → 11 h
Wireless charging: Yes; No
Active noise cancelling: Yes; Yes
ANC type: adaptive; adaptive
Transparency mode: Yes; Yes
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; 9.5 g
Case weight: 38.7 g; 50.6 g
Water resistance: IPX5; IP55
USB-C: Yes; Yes
Pad material: silicone; -
Model code: -; OnePlus Buds 4
Microphones: 6; 3
Call noise reduction: Yes; Yes

Specification comparison of Cambridge Audio Melomania A100 vs OnePlus Buds 4
Spec	Cambridge Audio Melomania A100	OnePlus Buds 4
Type	True Wireless	True Wireless
Price (USD)	$99	$120
HearWiki score	86 / 100 Outstanding	83 / 100 Outstanding
Released	2025	2025
Audio
Driver	10 mm dynamic	2-driver hybrid
Driver type	dynamic	hybrid
Driver size	10 mm	11 mm
Drivers per side	1	2
Frequency response	20 Hz - 20 kHz	15 Hz - 40 kHz
Impedance	25 Ω	18 Ω
Sensitivity	-	96.5 dB/mW
Wireless
Bluetooth	5.4	5.4
Codecs	SBC, AAC, aptX Adaptive, aptX Lossless, LDAC	AAC, LHDC
Multipoint pairing	Yes	Yes
Latency	-	47 ms
Wireless range	-	10 m
Battery
Battery life	11 h	11 h
Battery life (ANC on)	6.5 h	6 h
Battery incl. case	39 h	45 h
Full charge time	66 min	10 min
Quick charge	10 min → 3.2 h	10 min → 11 h
Wireless charging	Yes	No
Features
Active noise cancelling	Yes	Yes
ANC type	adaptive	adaptive
Transparency mode	Yes	Yes
Companion app	Yes	Yes
Custom EQ	Yes	Yes
Wear detection	No	No
Controls	touch	touch
Voice assistant	Google Assistant, Siri	Yes
Design
Weight	9.4 g	9.5 g
Case weight	38.7 g	50.6 g
Water resistance	IPX5	IP55
USB-C	Yes	Yes
Pad material	silicone	-
Model code	-	OnePlus Buds 4
Calls
Microphones	6	3
Call noise reduction	Yes	Yes

What reviewers said

Cambridge Audio Melomania A100

The Cambridge Audio Melomania A100 are true wireless earbuds that combine adaptive active noise cancellation with a robust feature set, including LDAC support, multipoint connectivity, and a long-lasting battery. With a 10mm dynamic driver and a custom EQ via the companion app, they aim to deliver flexible, high-quality sound for everyday use. Their IPX5 rating and wireless charging add practical durability and convenience.

Pro:Excellent battery life with ANC off
Pro:Supports high-resolution LDAC codec
Pro:Adaptive noise cancellation adjusts to surroundings

Con:Battery life drops significantly with ANC on
Con:Touch controls may be sensitive for some users
Con:No mention of wireless charging case included

OnePlus Buds 4

The OnePlus Buds 4 deliver a well-rounded true wireless experience with adaptive noise cancellation, a hybrid dual-driver setup, and support for high-resolution audio codecs like LDAC and LHDC. They offer solid call quality, a comfortable fit, and a versatile feature set that makes them a strong contender in the mid-range earbud market, despite some trade-offs in battery life and charging convenience. Their overall performance and smart ANC make them a compelling choice for everyday use.

Pro:Adaptive noise cancellation that adjusts to surroundings
Pro:Rich, detailed sound with hybrid drivers and LDAC support
Pro:Clear phone call quality with six microphones

Con:Battery life per charge is modest at around 5-6 hours
Con:No wireless charging support
Con:Touch controls may require some getting used to

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

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