HiFiMAN RE400 In-Ear Monitor vs Tangzu Waner S.G: which should you buy?

On aggregated review scores the Tangzu Waner S.G comes out ahead with a HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Tangzu Waner S.G - Outstanding overall at around $19.

Wired IEMs

Score breakdown

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

Tangzu Waner S.G leads on 5 of 5 measures.

HiFiMAN RE400 In-Ear Monitor
Tangzu Waner S.G

HearWiki score

Sound

6.9

8.0

Calls

4.5

Value

9.4

9.5

Price (USD)

$20

$19

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 HiFiMAN RE400 In-Ear Monitor is 2 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.

RE400 In-Ear Monitor20242 yr newer
Waner S.G2022

Specifications

RE400 In-Ear MonitorWaner S.G

Type: Wired IEMs; Wired IEMs
Price (USD): $20; $19
HearWiki score: 67; 82
Released: 2024; 2022
Availability: Discontinued; Still sold new
Driver: 8.5 mm dynamic; 10 mm dynamic
Driver type: dynamic; dynamic
Driver size: 8.5 mm; 10 mm
Drivers per side: 1; -
Frequency response: 15 Hz - 22 kHz; -
Impedance: 32 Ω; 20 Ω
Sensitivity: 102 dB/mW; -
Active noise cancelling: No; -
Controls: buttons; -
Weight: 12.9 g; 4 g
Model code: RE400 Waterline; -

Specification comparison of HiFiMAN RE400 In-Ear Monitor vs Tangzu Waner S.G
Spec	HiFiMAN RE400 In-Ear Monitor	Tangzu Waner S.G
Type	Wired IEMs	Wired IEMs
Price (USD)	$20	$19
HearWiki score	67 / 100 Good	82 / 100 Outstanding
Released	2024	2022
Audio
Driver	8.5 mm dynamic	10 mm dynamic
Driver type	dynamic	dynamic
Driver size	8.5 mm	10 mm
Drivers per side	1	-
Frequency response	15 Hz - 22 kHz	-
Impedance	32 Ω	20 Ω
Sensitivity	102 dB/mW	-
Features
Active noise cancelling	No	-
Controls	buttons	-
Design
Weight	12.9 g	4 g
Model code	RE400 Waterline	-

What reviewers said

HiFiMAN RE400 In-Ear Monitor

The HiFiMAN RE400 is a compact wired IEM that delivers a neutral, clean, and transparent sound with good control and detail, making it a strong budget option for audiophiles. Its small size and lightweight build ensure a comfortable fit, though the stock ear tips can limit sonic performance and cable noise is noticeable when worn cable-down. Overall, it offers impressive value for its price, with a precise and orderly presentation across the frequency range.

Pro:Neutral, transparent sound signature
Pro:Compact and lightweight design
Pro:Excellent value for budget price

Con:Stock ear tips degrade audio quality
Con:Cable noise noticeable when worn straight down
Con:No active noise cancellation

Tangzu Waner S.G

The Tangzu Waner S.G is a budget-friendly wired IEM with a compact, lightweight build and a 10mm dynamic driver. Its tuning leans warm and smooth, offering a relaxed, music-first sound that punches well above its price point for everyday listening.

Pro:Warm, easygoing sound signature
Pro:Very lightweight and compact
Pro:Detachable 0.78mm two-pin cable

Con:No active noise cancellation
Con:Lacks water resistance
Con:Not for those seeking technical detail

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

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