Tanchjim 4U and Simgot x HBB EW300 HBB use 1DD and 1x Dynamic (10mm) -1x Annular Planar (6mm) -1x Piezo (Ceramic) driver setups respectively. Tanchjim 4U costs $79 while Simgot x HBB EW300 HBB costs $75. Tanchjim 4U is $4 more expensive. Tanchjim 4U holds a slight 0.3-point edge in reviewer scores (6.5 vs 6.2). Tanchjim 4U has better bass with a 0.7-point edge, Tanchjim 4U has slightly better treble with a 0.3-point edge, Simgot x HBB EW300 HBB has better dynamics with a 0.5-point edge, Tanchjim 4U has slightly better soundstage with a 0.3-point edge and Tanchjim 4U has better details with a 0.9-point edge.
Insights
| Metric | Tanchjim 4U | Simgot x HBB EW300 HBB |
|---|---|---|
| Bass | 7.2 | 6.5 |
| Mids | 6.2 | 6.1 |
| Treble | 6.2 | 5.9 |
| Details | 7.1 | 6.2 |
| Soundstage | 6.3 | 6 |
| Imaging | 7 | 6.2 |
| Dynamics | 5.7 | 6.2 |
| Tonality | 6.6 | 6 |
| Technicalities | 6.2 | 6.3 |
Tanchjim 4U Aggregated Review Score
IEMR Normalized Score
IEMR Normalized Score
6.5Cautiously Favorable
Reviewer Average Score
6.4Mixed to Positive
Simgot x HBB EW300 HBB Aggregated Review Score
IEMR Normalized Score
IEMR Normalized Score
6.2Mixed to Positive
Reviewer Average Score
6.6Cautiously Favorable
Reviews Comparison
Tanchjim 4U (more reviews)
Tanchjim 4U reviewed by Z-Reviews
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Tanchjim 4U reviewed by ATechReviews
Youtube Video Summary
Tanchjim 4U combines a polished metal shell with very light, flexible cable and excellent ergonomics, resulting in a level of build quality and long term comfort that feels well above the budget range. Isolation is strong, and the two included tip styles plus sensitivity to aftermarket tips allow meaningful fine tuning of bass and openness. The rear dip-switch system provides four distinct modes, with the atmosphere setting emerging as the most balanced and enjoyable, while pop and natural bring the midrange slightly forward for listeners who want vocals and instruments more highlighted.
In atmosphere mode the overall signature is neutral to balanced with a strong focus on detail retrieval. Sub-bass is genuinely standout here, delivering deep extension, rumble and texture that give soundtracks and electronic music a solid foundation without becoming boomy, while mid-bass hits with very powerful slam and punch that can feel almost physical. A slight bass bleed into the lower mids in this mode adds warmth and body to instruments and vocals rather than obvious muddiness, the midrange itself stays natural, forward and very detailed, and the treble offers plenty of clarity and air with some emphasis around the upper treble that pulls high frequency percussion closer without ever becoming sharp, fatiguing or sibilant.
Where 4U really steps out in front of many competitors is in technical performance: the single dynamic driver is highly resolving with low distortion, giving imaging and soundstage width that rival or surpass some sets around the 150 dollar mark. Stereo cues are easy to place, the stage feels unusually wide for an IEM while remaining coherent, and micro detail in bass lines and busy mixes comes through cleanly. Compared with popular options such as Dunu Titan S, Kine Delci, Simgot EA500 LM and AFUL MagicOne, 4U tends to offer stronger sub-bass, more punch, smoother treble behavior on hot recordings and more precise positional cues, making it a very safe all round recommendation under 100 dollars for listeners who want a balanced but engaging tuning with room to experiment via switches and tip rolling.
ATechReviews Youtube Channel
Tanchjim 4U reviewed by Audio-In Reviews
Youtube Video Summary
TANCHJIM 4U is a sub 100 dollar single dynamic driver IEM with a metal shell and a clever four step bass dial that lets the listener move from leaner monitoring style tuning to a warmer Atmosphere mode. Build feels robust for the price, with a clean mix of matte and polished finishes on the faceplate, though the polished portion can pick up scratches, which explains the included protective film. Despite having a bit of weight, the compact shells sit comfortably in the ear, seal easily with the stock tips and provide a secure fit, while the thin 2 pin cable feels slightly fragile but is soft, tangle resistant and more manageable than many cables in this range.
The bass dial offers four signatures labelled monitoring, natural, pop and Atmosphere, each raising bass energy in small steps while slightly affecting the lower mids. Monitoring, natural and pop are leaner, more mid and treble forward tunings with noticeable sub bass roll off, giving a cooler, brighter tilt that some may enjoy for clarity but that can feel too light in low end weight. Atmosphere mode adds the most bass and some warmth, bringing the overall balance closer to neutral with a touch of fullness; sub bass extension becomes decent with enough rumble to satisfy without turning the 4U into a bass heavy set, and bass hits sound punchy and fairly dynamic, even if speed and texture remain more in line with a decent budget driver. The mids are mostly clean and natural with only a hint of bass bleed, keeping vocals front and center without shout, while the treble is smooth and generally natural, slightly dark overall but supported by a bit of upper treble energy that restores some micro detail and air.
Technical performance sits about on par with other strong options around this price, with adequate detail, an average width stage that leans a little intimate in depth and imaging that is clear enough to place instruments convincingly. Compared directly to sets such as Deli and Arya 2, those models can sound a touch more natural in both mids and treble and the EA500 LM still holds a small edge in raw technical ability, but the overall tuning of TANCHJIM 4U in Atmosphere mode will appeal to listeners who want impactful bass, clean mids and a relaxed, non fatiguing top end. At 69 dollars it comes across as a very solid and pleasing IEM that does not have any deal breaking flaws, earning a measured but genuine recommendation for anyone shopping in the sub 100 dollar bracket.
Audio-In Reviews original ranking
Audio-In Reviews Youtube ChannelTanchjim 4U reviewed by Super* Review
Super* Review original ranking
Super* Review Youtube ChannelTanchjim 4U reviewed by Jays Audio
Jays Audio Youtube Channel
Tanchjim 4U reviewed by Gizaudio Axel
Tanchjim 4U reviewed by Jaytiss
Simgot x HBB EW300 HBB (more reviews)
Simgot x HBB EW300 HBB reviewed by Audio Amigo
Audio Amigo Youtube Channel
Simgot x HBB EW300 HBB reviewed by Paul Wasabii
Youtube Video Summary
The SIMGOT EW300 HBB Edition takes the original EW300 baseline and nudges the tuning rather than reinventing it. Subtle extra sub bass extension gives drums and electronic lines a slightly deeper thud while keeping the overall bass quick and tidy instead of thick and boomy. It still reads as a safe, mildly boosted low end that can handle R&B and hip hop, just with a bit more reach into the lowest notes.
The more obvious change is in the treble. Energy around 5 kHz and 7 kHz is lifted, which makes the upper mids and presence region more forward and shifts the perceived balance and stage compared with the original EW300. For ears that are sensitive in that area this can draw more attention to cymbals and leading edges and slightly flatten the relaxed presentation that made the stock tuning so appealing. Resolution and speed remain competitive for the price, but the overall technical step is modest rather than a clear upgrade over the standard version.
In practice this makes the EW300 HBB Edition feel like a half step away from the reference of the original: a tasteful bass tweak that many will enjoy, paired with extra treble that some listeners may find a touch too insistent. Those who loved the first EW300 and want nearly the same signature in black shells or with DSP may gravitate toward the other versions, while the HBB edition serves as the option for listeners who specifically want a bit more low end and sparkle and are not bothered by the added presence lift.
Paul Wasabii Youtube Channel
Tanchjim 4U Details
Driver Configuration: 1DD
Tuning Type: n/a
Brand: TANCHJIM Top TANCHJIM IEMs
Price (Msrp): $79
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Simgot x HBB EW300 HBB Details
Driver Configuration: 1x Dynamic (10mm) -1x Annular Planar (6mm) -1x Piezo (Ceramic)
Tuning Type: Warm, V-Shaped
Brand: Simgot Top Simgot IEMs
Price (Msrp): $75
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Tanchjim 4U User Review Score
Average User Scores
Average User Score: n/a
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Simgot x HBB EW300 HBB User Review Score
Average User Scores
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Tanchjim 4U Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.3Gaming Grade
BSimgot x HBB EW300 HBB Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.2Gaming Grade
BTanchjim 4U Scorings
Average Technical & Tuning Grades
Average Tunign Grade
B+- Tonality is generally agreeable, though a few bumps remind you of its limits. Certain tracks spotlight its tonal quirks.
Average Technical Grade
B- An honest, middle-of-the-road performance preserves structure without chasing micro-detail. It's respectable for everyday listening sessions.
Simgot x HBB EW300 HBB Scorings
Average Technical & Tuning Grades
Average Tunign Grade
B- Tonality is generally agreeable, though a few bumps remind you of its limits. Certain tracks spotlight its tonal quirks.
Average Technical Grade
B- Technical ability is serviceable, keeping basic detail intact across simpler tracks. It keeps up with acoustic tracks without much fuss.
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