Sennheiser HD 820 vs Focal Clear Mg
Sennheiser HD 820 (#1, best overall) vs Focal Clear Mg (#3, best premium): in our Over-Ear Headphones (Audiophile Music Picks) scoring the Sennheiser HD 820 totals 9.1/10 and the Focal Clear Mg 8.8/10, the Sennheiser HD 820 leading on Sound Quality and Soundstage and the Focal Clear Mg on Value.
We may earn a commission when you buy through our links. Prices and availability shown are accurate as of Jul 29, 2026 and are subject to change; the merchant's price at purchase applies.
TopsFive comparison scores
Side by side
| Sennheiser HD 820 | Focal Clear Mg | |
|---|---|---|
| Price | $2199 | $1499 |
| Driver Size | 56mm ring radiator | 40mm magnesium dome |
| Impedance | 300Ω | 55Ω |
| Frequency Response | 12Hz-43.8kHz | 5Hz-28kHz |
| Weight | 360g | 450g |
| 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 Focal Clear Mg made our Top 5 Over-Ear Headphones (Audiophile Music Picks), at #1 (best overall) and #3 (best premium). 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. Exceptional dynamic expression capturing music's emotional impact. What Hi-Fi? describes the presentation as 'elusive to most rivals.'
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 Focal Clear Mg 8.8. The widest gap is Sound Quality, where the Sennheiser HD 820 scores 10 against 9.5 for the Focal Clear Mg — audiophile-grade clarity and detail. Soundstage also separates them: 9.5 for the Sennheiser HD 820 versus 8.5 for the Focal Clear Mg. The Focal Clear Mg claws back ground on Value.
On paper, the specifications that actually differ: Driver Size — 56mm ring radiator on the Sennheiser HD 820 versus 40mm magnesium dome on the Focal Clear Mg; Impedance — 300Ω on the Sennheiser HD 820 versus 55Ω on the Focal Clear Mg; Frequency Response — 12Hz-43.8kHz on the Sennheiser HD 820 versus 5Hz-28kHz on the Focal Clear Mg; Weight — 360g on the Sennheiser HD 820 versus 450g on the Focal Clear Mg; Design — Closed-back with Gorilla Glass reflector on the Sennheiser HD 820 versus Open-back on the Focal Clear Mg.
Pricing as of July 29, 2026: $2,199 for the Sennheiser HD 820 and $1,499 for the Focal Clear Mg, a $700 difference in the Focal Clear Mg'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 Focal Clear Mg for exceptional dynamic expression and 40mm M-shaped magnesium dome drivers; the most common complaint is heavy at 450g.
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
Focal Clear Mg
- Exceptional dynamic expression
- 40mm M-shaped magnesium dome drivers
- Full-bodied, engaging presentation
- French craftsmanship
- Heavy at 450g
- Very expensive
- Open-back design limits portability
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 Soundstage. The Focal Clear Mg is the better fit for rock and pop listeners and vocal enthusiasts, and the stronger choice if Value matters more to you than the overall score. If the $700 saving matters more than Sound Quality, the Focal Clear Mg is the better value. The Sennheiser HD 820 is a poor fit for bass lovers; the Focal Clear Mg is a poor fit for travel use.
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 Focal Clear Mg if
- Rock and pop listeners
- Vocal enthusiasts
- Those valuing emotional connection over neutrality
Skip it if
- Travel use
- Budget shoppers
Common questions
Is the Sennheiser HD 820 better than the Focal Clear Mg?
In our Over-Ear Headphones (Audiophile Music Picks) ranking the Sennheiser HD 820 scores higher overall, 9.1 to 8.8, with the biggest advantage in Sound Quality. The Focal Clear Mg 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 Focal Clear Mg?
$700 more as of July 29, 2026: $2,199 for the Sennheiser HD 820 against $1,499 for the Focal Clear Mg. Prices move, so the merchant page shows the current figure. What the extra buys is mostly Sound Quality — 10 versus 9.5 in our scoring.
What is the main difference between the Sennheiser HD 820 and the Focal Clear Mg?
The headline spec difference is Driver Size: 56mm ring radiator on the Sennheiser HD 820 versus 40mm magnesium dome on the Focal Clear Mg. In use, the gap that matters most is Sound Quality (10 vs 9.5 in our scoring): audiophile-grade clarity and detail.