Headphone Amps · Side-by-side
HIFIMAN EF499 vs HIFIMAN EF500
Dead heat on score. The HIFIMAN EF499 costs $250 less, so it's the default.
See which one to buy
Too close to call
HIFIMAN
EF499
A balanced R2R DAC/headphone amp with built-in network streaming for under $300 - warm, musical, and a serious one-box answer to the separates-or-not question.
Too close to call
HIFIMAN
EF500
The most affordable HIFIMAN unit to feature their proprietary Himalaya R2R DAC chip - 4.5W per channel balanced, network streaming, and a vertical tower form factor.
Specs, side by side
Manufacturer figures unless a measured value is noted; an em-dash means we haven't recorded that spec yet.
| Spec | HIFIMAN EF499 | HIFIMAN EF500 |
|---|---|---|
| Topology | R2R ladder | R2R ladder |
| Architecture | Philips R2R chip (NOS/OS) | Himalaya R2R, PCM up to 24-bit / 768 kHz |
| Power output | 4.35 W balanced / 1.28 W single-ended into 32 Ω | 4.5 W balanced into 32 Ω |
| THD+N | 0.008% | <0.0025% |
| Inputs | USB-B, USB-C, Coaxial, Ethernet (network streaming) | USB-B, USB-C, Coaxial, Ethernet (network streaming) |
| Outputs | XLR + RCA line out, 4-pin XLR, 6.35 mm | XLR + RCA line out, 4-pin XLR, 6.35 mm |
| SNR | — | 117 dB |
| Channel separation | — | 131 dB |
Pros & cons, side by side
EF499
Pros
- All-metal chassis, no QC issues - HIFIMAN's build has matured
- Smooth, precise volume pot with virtually no wobble
- Doubles as a vertical headphone stand
- Built-in network streamer - Tidal, Qobuz, NAS
- Philips R2R chip with NOS/OS selector
- Balanced output: 4.35W per channel into 32Ω
- Fully balanced DAC and headphone amp
- Lush, natural midrange with deep, controlled bass
Cons
- No analog input - can't use as a standalone amp
- Soundstage is well-defined but not the widest
- Layering could be slightly more refined
- Primarily designed for vertical placement
- Not the typical HIFIMAN Himalaya R2R architecture
- THD+N of 0.008% isn't a measurement chart-topper
EF500
Pros
- First Himalaya R2R DAC chip at this price point
- Vertical tower form factor saves desk space
- All-metal chassis with industrial design
- Fully balanced amp section - 4.5W into 32Ω balanced
- Network streaming via Ethernet (Tidal, Qobuz, NAS)
- OS/NOS filter selection for tonal tailoring
- 117dB SNR, <0.0025% THD
- 131dB channel separation
Cons
- Gets warm during long sessions with demanding cans
- Vertical-only design - awkward laid flat
- No analog input - can't use as a separate amp
- Soundstage is solid but not ultra-wide
- Filter differences are subtle
- Pricier than the EF499 with overlapping feature set
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 EF499
HIFIMAN EF499
- All-metal chassis, no QC issues - HIFIMAN's build has matured
- Smooth, precise volume pot with virtually no wobble
- Cheaper by $250, and it gives up nothing on the score
- The HIFIMAN EF500's main trade-off is one you'd rather not live with: Gets warm during long sessions with demanding cans
The case for the EF500
HIFIMAN EF500
- First Himalaya R2R DAC chip at this price point
- Vertical tower form factor saves desk space
- That $250 premium buys character and build, not a higher score
- The HIFIMAN EF499's main trade-off is one you'd rather not live with: No analog input - can't use as a standalone amp
How they were tested head-to-head
Same chain for both - the HIFIMAN EF499 and the HIFIMAN EF500, on the same reference chain used for every review in this catalogue. 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 headphone amps reference list at the matching price tier.
What the 0.1-point score gap actually means
The score gap between the HIFIMAN EF499 and the HIFIMAN EF500 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 EF499 if its pros sound like the system you're building; take the HIFIMAN EF500 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 EF499 and the HIFIMAN EF500?
On paper it's a tie - 8.1 and 8.2, inside rounding distance. Each review flags something different - the EF499's "Philips R2R chip with NOS/OS selector" against the EF500's "Network streaming via Ethernet (Tidal, Qobuz, NAS)". Choose on that, not the score column.
Which should you buy, the HIFIMAN EF499 or the HIFIMAN EF500?
On the rubric it's a coin-flip (8.1 and 8.2), so price and fit break the tie. The HIFIMAN EF499 is $250 cheaper for the same measured performance - make it the default, and pay up for the HIFIMAN EF500 only if its standout, "OS/NOS filter selection for tonal tailoring", is something your setup actually needs.
Is the EF500's $250 premium worth it?
Not on the numbers - $250 more for no rubric advantage. You're paying for what's specific to the HIFIMAN EF500 - "117dB SNR, <0.0025% THD" - not for measured performance, so it's worth it only if that solves a problem the HIFIMAN EF499 leaves open.
Where they rank
This page is the head-to-head - the buying guides put both of these up against the whole field.