Sennheiser HD 820 vs HiFiMAN Arya Stealth Magnet
Sennheiser HD 820 (#1, best overall) vs HiFiMAN Arya Stealth Magnet (#2, best value): in our Over-Ear Headphones (Audiophile Music Picks) scoring the Sennheiser HD 820 totals 9.1/10 and the HiFiMAN Arya Stealth Magnet 9/10. At $2,199 versus $599, the HiFiMAN Arya Stealth Magnet costs $1,600 less.
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TopsFive comparison scores
Side by side
| Sennheiser HD 820 | HiFiMAN Arya Stealth Magnet | |
|---|---|---|
| Price | $2199 | $599 |
| Driver Size | 56mm ring radiator | 90mm planar magnetic |
| Impedance | 300Ω | 35Ω |
| Frequency Response | 12Hz-43.8kHz | 8Hz-65kHz |
| Weight | 360g | 404g |
| Design | Closed-back with Gorilla Glass reflector | Open-back |
How they differ in real use
Built from our over ear music scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Sennheiser HD 820 and the HiFiMAN Arya Stealth Magnet made our Top 5 Over-Ear Headphones (Audiophile Music Picks), at #1 (best overall) and #2 (best value). Sennheiser's flagship closed-back with 56mm ring radiator drivers and Gorilla Glass reflector technology. Delivers remarkably open soundstage for a closed-back design with up to 26 dB isolation. Flagship planar magnetic technology at mid-tier pricing. Originally $1,599, now around $599 with soundstage approaching the HD 800 S.
We score over-ear headphones (audiophile music picks) on Sound Quality (40%), Soundstage (20%), Comfort (15%), Build Quality (15%) and Value (10%). On that basis the Sennheiser HD 820 totals 9.1 out of 10 and the HiFiMAN Arya Stealth Magnet 9. The widest gap is Value, where the HiFiMAN Arya Stealth Magnet scores 9.4 against 5.5 for the Sennheiser HD 820 — performance per dollar. Sound Quality also separates them: 10 for the Sennheiser HD 820 versus 9.4 for the HiFiMAN Arya Stealth Magnet.
On paper, the specifications that actually differ: Driver Size — 56mm ring radiator on the Sennheiser HD 820 versus 90mm planar magnetic on the HiFiMAN Arya Stealth Magnet; Impedance — 300Ω on the Sennheiser HD 820 versus 35Ω on the HiFiMAN Arya Stealth Magnet; Frequency Response — 12Hz-43.8kHz on the Sennheiser HD 820 versus 8Hz-65kHz on the HiFiMAN Arya Stealth Magnet; Weight — 360g on the Sennheiser HD 820 versus 404g on the HiFiMAN Arya Stealth Magnet; Design — Closed-back with Gorilla Glass reflector on the Sennheiser HD 820 versus Open-back on the HiFiMAN Arya Stealth Magnet.
Pricing as of July 29, 2026: $2,199 for the Sennheiser HD 820 and $599 for the HiFiMAN Arya Stealth Magnet, a $1,600 difference in the HiFiMAN Arya Stealth Magnet's favor. Owners praise the Sennheiser HD 820 for 56mm ring radiator drivers with glass reflector technology and remarkably spacious soundstage for a closed-back; the most common complaint is requires quality amplification (300Ω). Owners praise the HiFiMAN Arya Stealth Magnet for exceptional value (was $1,599) and 90mm planar magnetic drivers; the most common complaint is requires powerful amplification.
Sennheiser HD 820
- 56mm ring radiator drivers with glass reflector technology
- Remarkably spacious soundstage for a closed-back
- Up to 26 dB passive isolation
- Includes balanced 4.4mm Pentaconn cable
- Requires quality amplification (300Ω)
- Very expensive
- Heavier at 360g
HiFiMAN Arya Stealth Magnet
- Exceptional value (was $1,599)
- 90mm planar magnetic drivers
- Soundstage approaches HD 800 S
- Superior bass extension and control
- Requires powerful amplification
- Some treble peaks (responds well to EQ)
- Heavy at 404g
Which should you buy?
The Sennheiser HD 820 is the better fit for audiophiles needing isolation and critical listeners with quality amps — it is the higher-scoring pick here, chiefly for Sound Quality and Build Quality. The HiFiMAN Arya Stealth Magnet is the better fit for electronic music lovers and rock and orchestral fans, and the stronger choice if Value matters more to you than the overall score. If the $1,600 saving matters more than Value, the HiFiMAN Arya Stealth Magnet is the better value. The Sennheiser HD 820 is a poor fit for bass lovers; the HiFiMAN Arya Stealth Magnet is a poor fit for those without amplification.
Choose the Sennheiser HD 820 if
- Audiophiles needing isolation
- Critical listeners with quality amps
- Those wanting closed-back without sacrificing soundstage
Skip it if
- Bass lovers
- Those without amplification
Choose the HiFiMAN Arya Stealth Magnet if
- Electronic music lovers
- Rock and orchestral fans
- Value-seeking audiophiles
Skip it if
- Those without amplification
- Office use
Common questions
Is the Sennheiser HD 820 better than the HiFiMAN Arya Stealth Magnet?
In our Over-Ear Headphones (Audiophile Music Picks) ranking the Sennheiser HD 820 scores higher overall, 9.1 to 9, with the biggest advantage in Value. The HiFiMAN Arya Stealth Magnet is stronger on Value, so it is the better pick if that matters most to you.
How much more does the Sennheiser HD 820 cost than the HiFiMAN Arya Stealth Magnet?
$1,600 more as of July 29, 2026: $2,199 for the Sennheiser HD 820 against $599 for the HiFiMAN Arya Stealth Magnet. Prices move, so the merchant page shows the current figure. What the extra buys is mostly Value — 9.4 versus 5.5 in our scoring.
What is the main difference between the Sennheiser HD 820 and the HiFiMAN Arya Stealth Magnet?
The headline spec difference is Driver Size: 56mm ring radiator on the Sennheiser HD 820 versus 90mm planar magnetic on the HiFiMAN Arya Stealth Magnet. In use, the gap that matters most is Value (5.5 vs 9.4 in our scoring): performance per dollar.