EPZ K9 vs SIMGOT SUPERMIX 5: which should you buy?

On aggregated review scores the SIMGOT SUPERMIX 5 comes out ahead with a HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: SIMGOT SUPERMIX 5 - Great overall at around $220.

Wired IEMs

Score breakdown

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

SIMGOT SUPERMIX 5 leads on 3 of 4 measures.

EPZ K9
SIMGOT SUPERMIX 5

HearWiki score

Sound

8.0

8.5

Value

7.5

Price (USD)

$350

$220

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

SIMGOT SUPERMIX 5 (2026) against EPZ K9 (2025). These are 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.

K92025
SUPERMIX 520261 yr newer

Specifications

K9SUPERMIX 5

Type: Wired IEMs; Wired IEMs
Price (USD): $350; $220
HearWiki score: 74; 82
Released: 2025; 2026
Availability: Sold new; Sold new
Driver: 1DD + 8BA hybrid; 1DD + 2BA hybrid
Driver type: hybrid; hybrid
Driver configuration: 1DD + 8BA; 1DD + 2BA
Driver size: 8 mm; -
Drivers per side: 9; 3
Impedance: -; 19 Ω
Active noise cancelling: No; -
Detachable cable: -; Yes
Connector: 2-pin 0.78 mm; 2-pin 0.78 mm

Specification comparison of EPZ K9 vs SIMGOT SUPERMIX 5
Spec	EPZ K9	SIMGOT SUPERMIX 5
Type	Wired IEMs	Wired IEMs
Price (USD)	$350	$220
HearWiki score	74 / 100 Good	82 / 100 Great
Released	2025	2026
Audio
Driver	1DD + 8BA hybrid	1DD + 2BA hybrid
Driver type	hybrid	hybrid
Driver configuration	1DD + 8BA	1DD + 2BA
Driver size	8 mm	-
Drivers per side	9	3
Impedance	-	19 Ω
Features
Active noise cancelling	No	-
Design
Detachable cable	-	Yes
Connector	2-pin 0.78 mm	2-pin 0.78 mm

What reviewers said

EPZ K9

The EPZ K9 is a wired hybrid IEM that pairs a single dynamic driver with eight balanced armatures to deliver a warm, smooth, and musical sound signature. It offers strong detail retrieval, an airy presentation, and respectable bass impact, making it a versatile choice for everyday listening across genres. While its treble sparkle and spatial precision are not standout features, its overall coherence, build quality, and accessory package provide solid value at its price point.

Pro:Warm, balanced, and highly versatile tuning
Pro:Strong detail and good bass impact
Pro:Lush mids with wide soundstage

Con:Treble sparkle is limited
Con:Spatial cleanliness not its strongest trait
Con:May not suit treble-sensitive listeners

SIMGOT SUPERMIX 5

The SIMGOT SUPERMIX 5 is a wired hybrid IEM that pairs a dynamic driver with dual balanced armatures to deliver a tactile, mildly warm sound. It offers well-controlled physical bass, clear vocals, and smooth, non-fatiguing treble, making it a polished and engaging listen. While its technical performance is strong for the price, the midrange could use a bit more richness, and the bone-conduction driver can occasionally be distracting during movement.

Pro:Physical, well-controlled bass
Pro:Smooth, non-fatiguing treble
Pro:Clear vocal reproduction

Con:Midrange lacks some depth
Con:Bone-conduction driver can be distracting
Con:Not ideally suited for active use

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

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