Over-Ear
Sivga SV391
Not yet scored
$1849
Full review dataSivga SV391 vs ZMF Tessidera: which should you buy?
Specs, scores and condensed review verdicts for the Sivga SV391 vs ZMF Tessidera, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Score breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Sivga SV391
No sub-scores yet - not enough rated reviews.
ZMF Tessidera
Sound9.2
Value7.5
Specifications
| Spec | Sivga SV391 | ZMF Tessidera |
|---|---|---|
| Type | Over-Ear | Over-Ear |
| Price (USD) | $1849 | $2500 |
| HearWiki score | Not scored | 88 / 100 · Outstanding |
| Released | 2024 | 2026 |
| Audio | ||
| Driver | 50mm dynamic driver | Planar magnetic with 1-micron diaphragm |
| Driver size | - | 80 mm |
| Drivers per side | - | 2 |
| Frequency response | - | 20Hz-20kHz |
| Impedance | 32 Ω | 35 Ω |
| Sensitivity | - | 92 dB/mW |
| Design | ||
| Weight | 275 g | 570 g |
| Model code | Robin SV021 | - |
What reviewers said
Sivga SV391
The Sivga SV391 is a wired, over-ear headphone featuring a 50mm dynamic driver housed in a lightweight 275-gram design with a 32-ohm impedance, making it easy to drive. It delivers a balanced sound profile without active noise cancellation, focusing on natural acoustics and comfortable long-term wear for audiophile use.
- Pro:Lightweight build at 275g for extended listening comfort
- Pro:Efficient 32-ohm impedance works well with portable devices
- Pro:Balanced sound signature from a large 50mm driver
- Con:Lacks active noise cancellation for noisy environments
- Con:Premium price point may limit accessibility
- Con:No wireless flexibility due to wired-only design
ZMF Tessidera
The Tessidera is a premium open-back planar headphone that channels ZMF's signature warm, musical tuning into a planar driver format. It delivers a smooth, full-bodied sound with particularly rich vocals and natural timbre, all while being relatively easy to drive for a high-end model. The build is solid overall, though the stock grill finish shows minor cosmetic imperfections.
- Pro:Smooth, full-bodied tuning with rich vocals
- Pro:Excellent timbre and natural instrument reproduction
- Pro:Relatively easy to drive despite large 80mm drivers
- Con:Mid-forward balance can vary with amplifier pairing
- Con:Minor cosmetic roughness on the stock grill
- Con:Heavy at 570g, requiring a sturdy headphone stand
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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