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Cozoy D2 vs TFZ SERIES 2: which should you buy?

Specs, scores and condensed review verdicts for the Cozoy D2 vs TFZ SERIES 2, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.

Score breakdown

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

Cozoy D2 leads on 4 of 4 measures.

  • Cozoy D2
  • TFZ SERIES 2
HearWiki score
81
-
Sound
8.5
-
Value
9.0
-
Price (USD)
$55
$69

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?

Same generation

The Cozoy D2 is 8 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. Nothing separates them on convenience features either, so the choice comes down to tuning and price. For 8 years between them, that is a thin return - treat this as a restyle rather than a new platform.

  • D220268 yr newer
  • SERIES 22018

Specifications

D2SERIES 2
Type
Wired IEMs
Wired IEMs
Price (USD)
$55
$69
HearWiki score
81
Not scored
Released
2026
2018
Availability
Sold new
Discontinued
Driver
2DD
2× 12 mm dynamic
Driver type
dynamic
dynamic
Driver configuration
2DD
-
Driver size
-
12 mm
Drivers per side
2
2
Sound signature
-
v-shaped
Impedance
20 Ω
-
Active noise cancelling
-
No
Connector
2-pin 0.78 mm
2-pin 0.78 mm

What reviewers said

Cozoy D2

The Cozoy D2 is a budget-friendly wired IEM that pairs a 6 mm beryllium driver with a 10 mm graphene-composite driver for a dual-dynamic setup. It offers a flexible connection via a 2-pin 0.78 mm cable that includes swappable 3.5 mm and 4.4 mm plugs, catering to both standard and balanced sources. With a 20-ohm impedance, it's easy to drive from most devices.

  • Pro:Dual-driver hybrid design for detailed sound
  • Pro:Interchangeable 3.5 mm and 4.4 mm plugs
  • Pro:Low impedance (20 ohms) for easy pairing
  • Con:No active noise cancellation
  • Con:Wired only, limiting portability
  • Con:Budget build may not suit all users

TFZ SERIES 2

The TFZ SERIES 2 is an affordable wired in-ear monitor with dual 12mm dynamic drivers that deliver a V-shaped sound profile—emphasizing bass and treble while keeping mids clear. It features a detachable 0.78mm two-pin cable for easy replacement and comes in several color options. Ideal for budget-conscious listeners who enjoy a lively, energetic tuning.

  • Pro:Punchy bass with clear mids
  • Pro:Bright, detailed treble
  • Pro:Detachable 2-pin cable
  • Con:No active noise cancellation
  • Con:V-shaped tuning may not suit neutral purists
  • Con:Wired only, no wireless option

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 comparisonCozoy D2TFZ SERIES 2