Headphones · Side-by-side
Flare Audio E-PROTOTYPE vs HIFIMAN RE800 Silver
Dead heat on score. The HIFIMAN RE800 Silver costs $50 less, so it's the default.
See which one to buy
Too close to call
Flare Audio
E-PROTOTYPE
Unlike anything you've heard or seen. The E-PROTOTYPE goes to extremes - both positive and negative - using proprietary technologies you won't find anywhere else.

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.
Sound signature, overlaid
Each axis is positioned from the review body itself. The same word-frequency model anchors every review on the catalogue.
| Axis | Flare Audio E-PROTOTYPE | HIFIMAN RE800 Silver |
|---|---|---|
| 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 | no clear signal in the review | leans bass-heavy |
| Intimate to Wide stage | leans wide stage | leans wide stage |
Specs, side by side
Manufacturer figures unless a measured value is noted; an em-dash means we haven't recorded that spec yet.
| Spec | Flare Audio E-PROTOTYPE | HIFIMAN RE800 Silver |
|---|---|---|
| Driver | Dynamic | Dynamic |
| Connector | 3.5 mm single-ended (non-detachable) | 3.5 mm single-ended (non-detachable) |
| Impedance | — | 60 Ω |
| Frequency response | — | 5 Hz – 20 kHz |
Pros & cons, side by side
E-PROTOTYPE
Pros
- Possibly the best low-end of any IEM I've heard
- Bass is extremely well layered, resolving, and punchy
- Ideal sound separation - nothing blends, no matter how busy
- Astonishing detail retrieval without getting sharp
- Impeccable dynamic range with long, satisfying decay
- 3D-printed in the UK with professional-grade equipment
- 100-day return window - real confidence from the brand
- Lightweight despite the unusual shape
Cons
- Tonality is a love-or-hate situation - not for everyone
- Recessed yet peaky and unnatural mids
- Timbre is a real weakness - things sound slightly plasticky
- Soundstage is intimate, not wide
- Cable is non-detachable
- Single-ended only - no balanced option
- Fit takes work - left earpiece needs precise positioning
- Definitely not a one-and-only IEM
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
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 E-PROTOTYPE
Flare Audio E-PROTOTYPE
- Possibly the best low-end of any IEM I've heard
- Bass is extremely well layered, resolving, and punchy
- That $50 premium buys character and build, not a higher score
- The HIFIMAN RE800 Silver's main trade-off is one you'd rather not live with: Non-detachable cable
The case for the RE800 Silver
HIFIMAN RE800 Silver
- Topology driver - HIFIMAN's signature tech
- Aluminum alloy shell - feels premium
- Cheaper by $50, and it gives up nothing on the score
- The Flare Audio E-PROTOTYPE's main trade-off is one you'd rather not live with: Tonality is a love-or-hate situation - not for everyone
How they were tested head-to-head
Same chain for both - the Flare Audio E-PROTOTYPE and the HIFIMAN RE800 Silver, 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 0.0-point score gap actually means
The score gap between the Flare Audio E-PROTOTYPE and the HIFIMAN RE800 Silver 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 Flare Audio E-PROTOTYPE if its pros sound like the system you're building; take the HIFIMAN RE800 Silver 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 Flare Audio E-PROTOTYPE and the HIFIMAN RE800 Silver?
On paper it's a tie - 8.0 and 8.0, 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 E-PROTOTYPE's "Impeccable dynamic range with long, satisfying decay" against the RE800 Silver's "Razor-sharp imaging". Choose on that, not the score column.
Which should you buy, the Flare Audio E-PROTOTYPE or the HIFIMAN RE800 Silver?
On the rubric it's a coin-flip (8.0 and 8.0), so price and fit break the tie. The HIFIMAN RE800 Silver is $50 cheaper for the same measured performance - make it the default, and pay up for the Flare Audio E-PROTOTYPE only if its standout, "3D-printed in the UK with professional-grade equipment", is something your setup actually needs.
Is the E-PROTOTYPE's $50 premium worth it?
Not on the numbers - $50 more for no rubric advantage. You're paying for what's specific to the Flare Audio E-PROTOTYPE - "100-day return window - real confidence from the brand" - not for measured performance, so it's worth it only if that solves a problem the HIFIMAN RE800 Silver leaves open.
Where they rank
This page is the head-to-head - the buying guides put both of these up against the whole field.