Moondrop • IEMs
Moondrop Aria 2
Universal Summary
The Aria 2 is a single 10mm dynamic driver IEM whose most concrete gains over the 2021 Aria are physical: a milled zinc alloy shell, a replaceable brass nozzle, a modular cable terminating in both 3.5mm and 4.4mm, and a leather-style zip case. It is easy to drive, carrying manufacturer figures of 122 dB/Vrms and 33 ohms alongside an impedance curve reported as effectively flat, so source pairing is not a concern. Tuning is broadly balanced with a mild U shape. Bench measurement shows a dip near 500 Hz, a consistent lift of about 3 dB from 1 kHz to 3 kHz, and extra energy between 3.5 kHz and 6.5 kHz. That upper-midrange lift is the most complained-about trait, drawing repeated descriptions of shoutiness. Coverage splits sharply on bass: one reading hears it as noticeably deeper and more extended than the original Aria, another hears very little sub-bass gain and prefers the first Aria there. Treble draws the same fork, read either as comfortably tamed and short on sparkle or as energetic with an audible 7-8 kHz peak that can turn sharp. Staging is called impressive for the bracket in some listening and merely average in other listening, and a measured immersiveness sub-score of 3.8 was the weakest of its three audio sub-scores. Comfort is generally good, though at 11.8 g per bud very small ears and pressure-sensitive listeners were flagged as at risk. Verdicts range from a clear recommendation in the bracket to a lateral refresh where the packaging does the persuading.
Sources
7
Research Version
manual-dossier-v1
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Strengths
- Milled zinc alloy shell with a replaceable brass nozzle and removable filters, a durability step up from the chip-prone original Aria shells
- Stock modular cable terminates in both 3.5mm single-ended and 4.4mm balanced, so a balanced source works straight out of the box
- Easy to drive from a phone or dongle, with an impedance curve reported as effectively flat across a range of sources
- Midrange is the most consistently praised region, credited with clarity, natural instrument shape, and well-layered vocals
- Instrument separation and localization hold together through busy passages without congestion
- Boxed package adds a leather-style zip case and swappable plugs, an unusually complete kit near this price
Weaknesses
- Upper mids sit forward enough to be described as shouty, matching a measured lift of about 3 dB from 1 kHz to 3 kHz
- Sub-bass quantity is modest, and electronic material is explicitly called a poor fit
- A dip in the lower midrange can leave vocals sounding slightly thin
- Treble carries an audible peak near 7-8 kHz that can read as sharp or sibilant
- At 11.8 g per bud the shells are heavy, a flagged risk for exceptionally small ears and pressure-sensitive listeners
- Only three pairs of plain silicone tips are supplied, called out as a disappointment
Best For
- First-time IEM buyers who want one complete box with no cable or adapter shopping afterward
- Owners of 4.4mm balanced dongles or DAPs who want that termination included rather than bought separately
- Vocal, acoustic, and jazz listeners who value midrange clarity over low-end slam
- Buyers who want a metal-shelled, serviceable set with a replaceable nozzle and 2-pin connectors
- Listeners after a broadly balanced, reference-leaning tuning who are not sensitive to a forward upper midrange
Measurements
Frequency response
- Moondrop Aria 2 (L)
- Moondrop Aria 2 (R)
- Harman IE 2019 (target)
Measured by Timmyv on squig.link · Measurement © Timmyv; publicly hosted squig.link data, cited with attribution. Confirm permission before commercial redistribution. · IEC 60318-4 (711) coupler
Open in graph tool →Overview
What the research says
The Aria 2 is a single 10mm dynamic driver IEM whose most concrete gains over the 2021 Aria are physical: a milled zinc alloy shell, a replaceable brass nozzle, a modular cable terminating in both 3.5mm and 4.4mm, and a leather-style zip case. It is easy to drive, carrying manufacturer figures of 122 dB/Vrms and 33 ohms alongside an impedance curve reported as effectively flat, so source pairing is not a concern. Tuning is broadly balanced with a mild U shape. Bench measurement shows a dip near 500 Hz, a consistent lift of about 3 dB from 1 kHz to 3 kHz, and extra energy between 3.5 kHz and 6.5 kHz. That upper-midrange lift is the most complained-about trait, drawing repeated descriptions of shoutiness. Coverage splits sharply on bass: one reading hears it as noticeably deeper and more extended than the original Aria, another hears very little sub-bass gain and prefers the first Aria there. Treble draws the same fork, read either as comfortably tamed and short on sparkle or as energetic with an audible 7-8 kHz peak that can turn sharp. Staging is called impressive for the bracket in some listening and merely average in other listening, and a measured immersiveness sub-score of 3.8 was the weakest of its three audio sub-scores. Comfort is generally good, though at 11.8 g per bud very small ears and pressure-sensitive listeners were flagged as at risk. Verdicts range from a clear recommendation in the bracket to a lateral refresh where the packaging does the persuading.
Visible Sources
Approved source material
Moondrop Aria 2 review: a credible upgrade
The one measurement-led entry: charts a 1-3 kHz lift, scores 8/10, and names the 11.8 g shell mass as the main fit caveat.
Moondrop Aria 2 Review
Hears a balanced U-shaped set with an average-sized stage and negligible sub-bass gain over the original, recommending it on the strength of the starter kit.
MOONDROP Aria 2 Review
Rates the Aria 2 8/10, praising clarity, staging, and the modular cable, while calling out weak bass and disappointing stock tips.
Moondrop Aria 2 Review
Lists midrange clarity, controlled bass, and the upgraded cable as pros against shouty upper mids, and calls the Aria 2 a lateral shift from its predecessor.
Moondrop ARIA 2 Review
Praises clean, well-textured bass and a natural midrange, but flags a lower-midrange dip that thins vocals and a 7-8 kHz peak that can turn sibilant.
Moondrop Aria 2 Review
Rates the mids and build highly but prefers the original Aria's bass and stage, calling the Aria 2 a change of direction that will not win everyone over.
Moondrop Aria 2 Review: Lite
Hears notably improved bass extension and a fuller, smoother presentation than the original, and files the Aria 2 on its Wall of Fame Under $100.
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