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Superlux · 2021HD660 Pro
Same price ≈ $40
- Lowest frequency 10 Hz vs 15 Hz
- Highest frequency 30,000 Hz vs 20,000 Hz
- Weight 250 g vs 232 g
10 headphones at a similar price that compete with the MC-100 — what each does better, what it gives up and how the price compares.









