TANGZU Wan'er S.G vs KZ ZST

Short answer: the TANGZU Wan’er S.G. It ranks #29 of 68 in-ear headphones by sound quality, rated 3.8/5, at $18; the KZ ZST ranks #33, rated 3.7/5, and costs $21.99, so there is little reason to consider the other one.

What the TANGZU Wan’er S.G does well: A preference score of 71 in crinacle’s measurement at a very low cost is good value, with a mildly warm tilt that keeps treble from becoming harsh. The tradeoff: The 2.5 dB deviation from the target is the least smooth of this group, so tonal accuracy trails the CCA CRA and KZ ZSN Pro, both of which rate higher.

Why pick the KZ ZST: In oratory1990’s measurement the preference score is 70, with bass about 2.3 dB above target from 60 to 200 Hz for extra warmth and punch, and sub-bass tracking the target within 0.1 dB. The tradeoff: A 9.4 dB dip near 4.4 kHz and 3.7 dB lower presence from 3 to 6 kHz pull back vocal clarity and the attack of snares and guitars.

Buy the TANGZU Wan’er S.G. It is rated higher for sound quality than the KZ ZST and costs less, which makes it the one to get unless you need something the other one does better.

Looking for alternatives? See the complete Headphones rankings.

Specifications Side By Side

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Prices on this page were last checked October 10, 2026 at 5:37 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Headphones In Full

TANGZU Wan’er S.G: $18.00 Amazon eBay

Pros: A preference score of 71 in crinacle’s measurement at a very low cost is good value, with a mildly warm tilt that keeps treble from becoming harsh. Each earbud weighs only 4.2 g, and a built-in microphone makes it usable for calls. It rates higher than the KZ ZST and costs less.

Cons: The 2.5 dB deviation from the target is the least smooth of this group, so tonal accuracy trails the CCA CRA and KZ ZSN Pro, both of which rate higher. A single 10mm dynamic driver and no listed impedance or sensitivity leave less to go on for matching it with a source.

Full TANGZU Wan’er S.G review and specifications →

Released	2023 (3 years ago)
Back	Closed
Built-in Microphone	Yes
Connection	Wired
Deviation From Target	2.48 dB standard deviation
Driver Type	Dynamic
Drivers	1 x 10mm dynamic
Form Factor	In-ear
Frequency Response	20Hz - 20kHz (Manufacturer specified)
Harman Preference Score	71 (measured by crinacle, via AutoEQ)
Tonal Tilt	-0.32 (negative is warmer, positive brighter)
Weight	0 lbs (4.2 g) per earbud

EQ preset to match the Harman target

Set a preamp of -5.4 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.

Filter	Frequency	Gain	Q
Low shelf	105 Hz	+1.8 dB	0.70
Peak	6,638 Hz	+5.1 dB	1.36
Peak	145 Hz	-2.6 dB	0.76
Peak	1,930 Hz	-2.9 dB	1.79
Peak	9,431 Hz	+3.0 dB	2.56
High shelf	10,000 Hz	-1.1 dB	0.70
Peak	894 Hz	+1.2 dB	1.34
Peak	1,321 Hz	-1.2 dB	2.81
Peak	275 Hz	-0.4 dB	1.71
Peak	570 Hz	+0.5 dB	2.18

• Reviews, Comparisons and Sound Samples
  • AutoEQ results for the TANGZU Wan’er S.G (crinacle measurement)

KZ ZST: $21.99 Amazon eBay

Pros: In oratory1990’s measurement the preference score is 70, with bass about 2.3 dB above target from 60 to 200 Hz for extra warmth and punch, and sub-bass tracking the target within 0.1 dB. The low mids and upper mids stay within about 1 dB, so vocals and instruments sit naturally. The warm and bassy profiles fit it best, and the hybrid pairing of one dynamic and one balanced armature driver costs very little.

Cons: A 9.4 dB dip near 4.4 kHz and 3.7 dB lower presence from 3 to 6 kHz pull back vocal clarity and the attack of snares and guitars. Above 10 kHz the response runs about 6.5 dB hot, with a 10 dB peak near 11 kHz that adds sharpness to cymbals. The TANGZU Wan’er S.G rates higher.

Full KZ ZST review and specifications →

Released	2016 (10 years ago)
Back	Closed
Connection	Wired
Deviation From Target	2.31 dB standard deviation
Driver Type	Hybrid (1 dynamic + 1 balanced armature)
Drivers	1 x 10mm dynamic + 1 x balanced armature
Form Factor	In-ear
Frequency Response	20Hz - 20kHz (Manufacturer specified)
Harman Preference Score	70 (measured by oratory1990, via AutoEQ)
Tonal Tilt	-0.47 (negative is warmer, positive brighter)

EQ preset to match the Harman target

Set a preamp of -4.5 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.

Filter	Frequency	Gain	Q
Low shelf	105 Hz	-0.2 dB	0.70
Peak	182 Hz	-3.0 dB	0.62
Peak	620 Hz	+2.4 dB	0.63
Peak	9,298 Hz	-3.1 dB	3.37
Peak	1,878 Hz	-4.1 dB	3.05
High shelf	10,000 Hz	-0.3 dB	0.70
Peak	4,253 Hz	+4.7 dB	4.05
Peak	1,321 Hz	-0.6 dB	2.60
Peak	3,462 Hz	-1.0 dB	6.00
Peak	358 Hz	-0.0 dB	5.65

• Reviews, Comparisons and Sound Samples
  • AutoEQ results for the KZ ZST (oratory1990 measurement)
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