Headphones · Side-by-side
HIFIMAN RE800 Silver vs Kiwi Ears Belle, Cadenza II, Orchestra II
Dead heat on score. The Kiwi Ears Belle, Cadenza II, Orchestra II costs $69 less, so it's the default.
See which one to buy
Too close to call
HIFIMAN
RE800 Silver
An older flagship IEM with topology driver tech, now $100 (down from $600) - audiophile-grade performance with surprisingly wide staging and an interesting non-target tuning.
Too close to call
Kiwi Ears
Belle, Cadenza II, Orchestra II
Three Kiwi Ears IEMs head-to-head - the $30 Belle with a mic, the $50 Cadenza II with KARS 2.0, and the 10-BA $350 Orchestra II flagship. Which is the value pick?
Sound signature, overlaid
Each axis is positioned from the review body itself. The same word-frequency model anchors every review on the catalogue.
| Axis | HIFIMAN RE800 Silver | Kiwi Ears Belle, Cadenza II, Orchestra II |
|---|---|---|
| Warm to Bright | sits near neutral | sits near neutral |
| Relaxed to Analytical | leans analytical | leans analytical |
| Polite to Aggressive | leans aggressive | leans aggressive |
| Lean to Bass-heavy | leans bass-heavy | sits near neutral |
| Intimate to Wide stage | leans wide stage | sits near neutral |
Specs, side by side
Manufacturer figures unless a measured value is noted; N/A means we haven't recorded that spec yet.
| Spec | HIFIMAN RE800 Silver | Kiwi Ears Belle, Cadenza II, Orchestra II |
|---|---|---|
| Driver | Dynamic | Balanced armature |
| Impedance | 60 Ω | N/A |
| Frequency response | 5 Hz – 20 kHz | N/A |
| Connector | 3.5 mm single-ended (non-detachable) | N/A |
| Belle impedance | N/A | 32 Ω |
| Belle sensitivity | N/A | 103 dB |
| Belle driver | N/A | 10 mm DLC dynamic |
| Belle frequency response | N/A | 20 Hz – 20 kHz |
| Belle weight | N/A | 3.5 g per side |
Pros & cons, side by side
RE800 Silver
Pros
- Topology driver - HIFIMAN's signature tech
- Aluminum alloy shell - feels premium
- Very small, lightweight earbud-style fit
- Wider soundstage than most full-size headphones
- Razor-sharp imaging
- Excellent dynamic punch with coherent localization
- Sparkly top-end with prolonged decay
- Frequency response 5Hz-20kHz
Cons
- Non-detachable cable
- Cable is slightly microphonic and tangle-prone
- Lower mids forward but rest is recessed and thin
- Sub-bass not elevated - some roll-off
- Tonality won't match any standard target
- Treble peaks somewhat - on purpose
- Detail retrieval is just OK - not the headline feature
Belle, Cadenza II, Orchestra II
Pros
- Covers three budgets - $30 Belle, $50 Cadenza II, $350 Orchestra II
- Belle is a tremendous-value V-shape with a built-in microphone
- Cadenza II betters the Belle in every sonic way and stays light
- Orchestra II's 10 balanced armatures stay coherent and linear
- Cadenza II's KARS 2.0 labyrinth tube tightens the low end
- Orchestra II ships with 3.5mm + 4.4mm balanced cables and a case
- Multiple ear-tip densities (Belle and Orchestra II) tune the sound
- All three scale up impressively with a decent dongle
Cons
- Belle's ear tips are a real fight to fit and swap
- Low bass and high treble roll off straight from a phone
- All three really want a ~$79 dongle to open up
- No microphone on the Cadenza II or Orchestra II
- Orchestra II is heavy at 7g per side - not for jogging
- Cadenza II includes only a single set of ear tips
- Orchestra II's price jump is only justified with a balanced dongle
Which one to buy
Short version: the rubric calls this one too close to split - but what's upstream, what you listen for, and what your budget allows can each flip it. Here's the case for each.
The case for the RE800 Silver
HIFIMAN RE800 Silver
- Topology driver - HIFIMAN's signature tech
- Aluminum alloy shell - feels premium
- That $69 premium buys character and build, not a higher score
- The Kiwi Ears Belle, Cadenza II, Orchestra II's main trade-off is one you'd rather not live with: Belle's ear tips are a real fight to fit and swap
The case for the Belle, Cadenza II, Orchestra II
Kiwi Ears Belle, Cadenza II, Orchestra II
- Covers three budgets - $30 Belle, $50 Cadenza II, $350 Orchestra II
- Belle is a tremendous-value V-shape with a built-in microphone
- Cheaper by $69, and it gives up nothing on the score
- The HIFIMAN RE800 Silver's main trade-off is one you'd rather not live with: Non-detachable cable
How they were tested head-to-head
Both the HIFIMAN RE800 Silver and the Kiwi Ears Belle, Cadenza II, Orchestra II ran on the same chain, driven from the same HIFIMAN Serenade amp/DAC (Himalaya Pro R2R), fed bit-perfect from the Hermes 12th digital transport over USB. The two were volume-matched at the output and swapped across the same set of reference recordings - acoustic, vocal-led, dense modern, and large-scale orchestral - so every session compared like for like. No demo-room verdicts, no half-remembered impressions from an earlier listen: this is a direct head-to-head, scored against the published headphones reference list at the matching price tier.
What the 0.1-point score gap actually means
The score gap between the HIFIMAN RE800 Silver and the Kiwi Ears Belle, Cadenza II, Orchestra II is within rounding distance of zero. Same rubric, same reference list, same ears - so when the numbers land this close, the differences are signature, not skill. Read the pros and cons side by side: wherever one piece's strength is the other's compromise is exactly where you'll hear it in real listening.
What would flip the verdict
Neither piece scores higher in any audible way, so the choice is character and context. Take the HIFIMAN RE800 Silver if its pros sound like the system you're building; take the Kiwi Ears Belle, Cadenza II, Orchestra II if its first paragraph reads more like the music you actually play. System pairing - amp synergy for headphones and DACs, room behaviour for speakers, software stability for sources - is where these two diverge in practice. Read both reviews end to end: the pros and cons summarise, but the prose tells you which one belongs in your chain.
Common questions about this comparison
What's the real-world difference between the HIFIMAN RE800 Silver and the Kiwi Ears Belle, Cadenza II, Orchestra II?
On the rubric the HIFIMAN RE800 Silver and the Kiwi Ears Belle, Cadenza II, Orchestra II are a wash, 8.0 and 8.1, inside rounding distance. Their voicing is close - both sit in the same broad headphones character - so what separates them is the specifics each review calls out, not the overall tilt. Each review flags something different - the RE800 Silver's "Very small, lightweight earbud-style fit" against the Belle, Cadenza II, Orchestra II's "Cadenza II betters the Belle in every sonic way and stays light". That contrast, not the score column, is what you're actually choosing between.
Which should you buy, the HIFIMAN RE800 Silver or the Kiwi Ears Belle, Cadenza II, Orchestra II?
On the rubric it's a coin-flip (8.0 and 8.1), so price and fit break the tie. The Kiwi Ears Belle, Cadenza II, Orchestra II is $69 cheaper for the same measured performance - make it the default, and pay up for the HIFIMAN RE800 Silver only if its standout, "Wider soundstage than most full-size headphones", is something your setup actually needs.
Is the RE800 Silver's $69 premium worth it?
Not on the numbers - $69 more for no rubric advantage. You're paying for what's specific to the HIFIMAN RE800 Silver - "Razor-sharp imaging" - not for measured performance, so it's worth it only if that solves a problem the Kiwi Ears Belle, Cadenza II, Orchestra II leaves open.
Where they rank
This page is the head-to-head - the buying guides put both of these up against the whole field.