GS Audio GD3A and Simgot x HBB EW300 HBB use 1DD+2BA and 1x Dynamic (10mm) -1x Annular Planar (6mm) -1x Piezo (Ceramic) driver setups respectively. GS Audio GD3A costs $86 while Simgot x HBB EW300 HBB costs $75. GS Audio GD3A is $11 more expensive. GS Audio GD3A holds a slight 0.4-point edge in reviewer scores (6.6 vs 6.2). GS Audio GD3A has slightly better bass with a 0.3-point edge, GS Audio GD3A has better mids with a 0.5-point edge, GS Audio GD3A has slightly better treble with a 0.4-point edge and GS Audio GD3A has slightly better dynamics with a 0.3-point edge.
Insights
| Metric | GS Audio GD3A | Simgot x HBB EW300 HBB |
|---|---|---|
| Bass | 6.8 | 6.5 |
| Mids | 6.6 | 6.1 |
| Treble | 6.3 | 5.9 |
| Details | 6.4 | 6.2 |
| Soundstage | 6.2 | 6 |
| Imaging | 6.3 | 6.2 |
| Dynamics | 6.5 | 6.2 |
| Tonality | 7 | 6 |
| Technicalities | 6.4 | 6.3 |
GS Audio GD3A Aggregated Review Score
IEMR Normalized Score
IEMR Normalized Score
6.6Cautiously Favorable
Reviewer Average Score
7Generally Favorable
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
GS Audio GD3A (more reviews)
GS Audio GD3A reviewed by Super* Review
GS Audio GD3A reviewed by Head-Fi.org
GS Audio GD3A reviewed by Web Search
The GS Audio GD3A is a budget hybrid with a 1DD+2BA configuration that is reported to be easy to drive from modest sources, keeping entry barriers low for new listeners. Street pricing has historically hovered around $86–$90 via AliExpress listings shared in community threads, positioning it firmly in the sub-$100 bracket.
Tonally, the GD3A skews neutral with a sub-bass lift: community impressions describe bass that “digs very deep” and provides a supportive foundation without obvious bloat, while mids remain clear and the treble avoids harshness. Reviewers also highlight natural timbre and an overall non-fatiguing presentation for long sessions.
On the technical side, users note clean, textured bass and solid clarity for the price, though stage size and micro-detail are only average by enthusiast standards. Discussions referencing measurements also point to limited upper-treble “air” (roll-off near ~10 kHz), which slightly curbs shimmer but helps keep brightness in check. Given its asking price, the GD3A offers competitive resolution and imaging—just don’t expect it to match mid-fi hybrids several tiers up.
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
GS Audio GD3A Details
Driver Configuration: 1DD+2BA
Tuning Type: Neutral with Bass Boost
Price (Msrp): $86
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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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GS Audio GD3A User Review Score
Average User Scores
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Simgot x HBB EW300 HBB User Review Score
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GS Audio GD3A Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.6Gaming Grade
B+Simgot 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
BGS Audio GD3A Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A-- The tonal character feels settled and versatile, with just a few gentle bumps. You can listen for hours without fatigue.
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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