Eminent Ears Emerald Review: Green Light for Safe Upgrade
Another gemstone has arrived! Established in Hong Kong, Eminent Ears has been on a steady roll with their Gemstone Series, and with Emerald, they’ve now completed the color triangle – Ruby’s red, Sapphire’s blue, and now Emerald’s green. As covered previously on About Audio, Ruby was Eminent Ears’ confident debut into the high-end IEM scene, followed by Sapphire as a more musical, bassy sound signature. Emerald takes a different direction from both – positioned as a more balanced and budget-friendly option for a wider audience. Priced at $600 with a 1DD+2BA+1BCD driver config, Emerald is also the most accessible entry into the EE product lineup. Let’s see how this one sounds and where it stands among its siblings and other competing IEMs.
Packaging & Accessories
Emerald arrives in the same signature Eminent Ears packaging style that Ruby and Sapphire established, which is a black box with the Eminent Ears logo. Removing the outer sleeve reveals the earpieces on top, with the carrying case resting below. Other than the earpieces, Emerald comes with a 4.4mm Vortex stock cable, 3 pairs of Vocal eartips, 3 pairs of Balanced eartips, a cleaning tool, a carrying case, and a user manual.
The leather carrying case is consistent with what Eminent Ears has included before, which has a sturdy finish with soft interior lining, though the size is on the compact side. Rolling the cable around carefully is still necessary to fit everything in, and a thicker aftermarket cable will likely not fit. It’s a familiar package for those who’ve already experienced Ruby or Sapphire. While the packaging won’t be the most generous unboxing in the $600 tier, the attention to the eartip selection and the quality of the stock cable balance things out reasonably well.
Earpieces: Technical Details & Highlights
Emerald uses a 1DD+2BA+1BCD tribrid setup with a 4-way crossover design. The dynamic driver is a 6mm unit handling the bass, paired with 2 balanced armature drivers for the mids and highs, and a bone conduction driver (BCD) working alongside the DD to supplement bass texture and low-frequency resonance.
Emerald follows the design language Eminent Ears has established across its earlier IEMs, though with some tweaks – first being the color changed to forest-green. Faceplates are layered with green crystalline shards with a faint glitter applied across the green resin shell, maintaining a subtle yet rich design that Ruby and Sapphire had.
In terms of form factor, Eminent Ears has kept the shells and ergonomics similar as with the Eminent Ears Sapphire, which has a shorter nozzle length than the Eminent Ears Ruby. The earpieces are compact enough to sit comfortably with well-angled nozzles that fit securely for extended listening. The IEM connectors are flush-mounted with standard 2pin connectors. The fit feels comfortable and stable, and isolation is above average for a vented design. For those who’ve worn Sapphire before, the Emerald shell will feel pretty much the same.
Eminent Ears Emerald Specifications:
- Drivers: 1 DD + 2 BA + 1 BCD
- Plug: 4.4mm
- Interface: 2-pin 0.78mm
- Sensitivity: 106dB/mW
- Impedance: 8Ω
- Crossover: 4-way
Special Cable: Collaboration with Vortex Cables
As with Ruby and Sapphire, Emerald continues the Eminent Ears and Vortex Cables collaboration with a custom stock cable built exclusively for this pairing. It’s a Litz 4-braid SPC alloy wire cable with stainless steel parts. The Y-split carries Vortex’s signature triangular logo alongside the Eminent Ears emblem on the opposite face. Terminated in 4.4mm balanced. The Emerald’s stock cable is very soft, light, and pliable, with no microphonics and ease of handling. It’s a well-made cable that has both the convenience of the stock cable and satisfying SQ, and still doesn’t cause me any temptation to upgrade to another cable.
Next Page: In-depth Sound Impressions / How does Emerald Sound?