Sennheiser Momentum True Wireless 5
Sennheiser Momentum True Wireless 5: tws, released in 2026, reference price $300. Specs fr...
Sennheiser HD 660S2
Sennheiser HD 660S2: over-ear, released in 2023, 300Ω impedance, reference price $499. Specs from public sources, continuously verified.
| Series | HD 660S2 |
| Form | Over-Ear |
| Driver Type | Dynamic |
| Driver Size | 38 mm |
| Impedance | 300 Ω |
| Sensitivity | 104 dB |
| Frequency Range | 8-41500 |
| Weight | 260 g |
| ANC | No |
| Microphone | No |
| Waterproof | — |
| Released | 2023 |
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