Short answer: the AKG K271 MKII, though neither ranks well in its class. It ranks #418 of 481 over-ear headphones by sound quality, rated 2.5/5, at $198. The Sivga Audio Robin ranks #436, rated 2.3/5, at $149, $49 cheaper, a saving that is not big enough to make up the sound-quality gap. Both are rated below 3.0/5 among the 481 over-ear headphones; for better sound, the Sennheiser HD 550 ranks #8 at $199.95.
The case for the AKG K271 MKII: A closed-back studio design with 104 dB sensitivity at 55 ohms, so it plays loudly from a phone or laptop without an amp. The catch: Bass is thin, with sub-bass about 15 dB and the 60 to 200 Hz region about 8 dB under target, so music lacks weight and punch.
What the Sivga Audio Robin does well: Bass is lifted about 9.1 dB with extension to 20 Hz, giving kick drums and bass lines extra weight. The tradeoff: An 11.2 dB peak near 11.9 kHz can make cymbals and sibilance sound sharp.
Buy the AKG K271 MKII. It is rated higher for sound quality, and saving $49 with the Sivga Audio Robin does not make up for the sound-quality gap.
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A closed-back studio design with 104 dB sensitivity at 55 ohms, so it plays loudly from a phone or laptop without an amp.
Amazon $198.00 eBay
Bass is lifted about 9.1 dB with extension to 20 Hz, giving kick drums and bass lines extra weight.
Amazon $149.00 eBayPrices on this page were last checked October 16, 2026 at 5:46 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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Specifications Side By Side
| AKG K271 MKII | Sivga Audio Robin | |
|---|---|---|
| Price | $198.00 | $149.00 |
| Ranked | #418 of 481 in Over-Ear Headphones | #436 of 481 in Over-Ear Headphones |
| Form Factor | Over-ear | Over-ear |
| Harman Preference Score | 48 (measured by oratory1990, via AutoEQ) | 43 (measured by oratory1990, via AutoEQ) |
| Deviation From Target | 3.85 dB standard deviation | 3.87 dB standard deviation |
| Tonal Tilt | +1.16 (negative is warmer, positive brighter) | -1.44 (negative is warmer, positive brighter) |
| Sub-bass Extension | Falls 6 dB below target at 168 Hz (-16.4 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+6.2 dB at 30 Hz) |
| Connection | Wired | Wired |
| Back | Closed | Closed |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 30mm dynamic | 1 x 50mm dynamic |
| Impedance | 55 ohms | 32 ohms |
| Sensitivity | 104 dB SPL/V | - |
| Weight | 0.5 lbs (240 g) | 0.6 lbs (275 g) |
| Frequency Response | 16Hz - 28kHz (Manufacturer specified) | 20Hz - 20kHz |
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