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HEDD Audio · 2025HEDDphone D1
10% cheaper ≈ $730
- Lowest frequency 5 Hz vs 15 Hz
- Highest frequency 40,000 Hz vs 22,100 Hz
- Active noise cancelling
- Charging time 3 h vs 1 h
10 headphones at a similar price that compete with the BATHYS — what each does better, what it gives up and how the price compares.









