| Audiobot Notes | |
|---|---|
| Peak SPL |
120.9 dB This was approximated from the source output at 120 Ω |
| Damping factor | 15.0 |
| Popular Combos for HD 660 S |
|---|
| Schiit Magni 3 |
| Sennheiser HD 660 S | |
|---|---|
| Impedance | 150 Ω |
| Efficiency | 95.8 dB SPL/mW |
| Frequency Response | 10 - 41,000 Hz |
| Transducer Type | Dynamic |
| Operating Principle | Open |
| Ear Coupling | Over-ear |
| Weight | 260 g |
| Price History | |
|---|---|
| Current | $489.99 |
| Highest | $700.00 |
| Lowest | $489.99 |
| Search Item | Amazon, eBay |
| Buy from Sennheiser | |
| Similar Headphones |
|---|
| Sennheiser HD 700 |
| AKG K 702 |
| AKG K 712 Pro |
| AKG K 7XX |
| AKG K 612 Pro |
| Aune T1 Mk2 | |
|---|---|
| Type | Tube |
| Output Impedance | 10.0 Ω |
| Power Output |
150 mW at 300 Ω 400 mW at 120 Ω 1,000 mW at 32 Ω |
| Frequency Range | 20 - 20,000 Hz |
| Portable | |
| Price History | |
|---|---|
| Current | $249.99 |
| Highest | $250.00 |
| Lowest | $249.99 |
| Search Item | Amazon, eBay |
