Sennheiser HD 660 S headphones
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| 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 |
| Target SPL Requirements | ||
|---|---|---|
| Target | Power | Voltage |
| 90.0 dB | 0.26 mW | 0.2 Vrms |
| 92.5 dB | 0.47 mW | 0.26 Vrms |
| 95.0 dB | 0.83 mW | 0.35 Vrms |
| 97.5 dB | 1.5 mW | 0.47 Vrms |
| 100.0 dB | 2.6 mW | 0.63 Vrms |
| 102.5 dB | 4.7 mW | 0.84 Vrms |
| 105.0 dB | 8.3 mW | 1.12 Vrms |
| 107.5 dB | 14.8 mW | 1.49 Vrms |
| 110.0 dB | 26.3 mW | 1.99 Vrms |
| Price History | |
|---|---|
| Current | $499.95 |
| Highest | $700.00 |
| Lowest | $499.95 |
| Search Item | Amazon, eBay |
| Buy from Sennheiser | |
Other headphones by Sennheiser
| Rank | Model | Current Price |
|---|---|---|
| #96 | HD 25 Aluminum | $350.59 |
| #68 | HD 280 PRO | $99.95 |
| - | HD 471 | $49.00 |
| - | HD 558 | $174.99 |
| #75 | HD 579 | $107.99 |
| #34 | HD 598 Special Edition | $320.00 |
| #4 | HD 650 | $369.00 |
| #2 | HD 800 S | $1,547.92 |
| #93 | Momentum 2 | $249.95 |
| - | PX 100-II | $133.59 |
Similar Headphones
| Model | Style | Impedance | Price | |
|---|---|---|---|---|
|
Sennheiser HD 700 | Open, Over-ear | 167 Ω | $465.99 |
|
AKG K 7XX | Open, Over-ear | 62 Ω | $649.99 |
|
AKG K 702 | Open, Over-ear | 62 Ω | $182.00 |
|
AKG K 712 Pro | Open, Over-ear | 62 Ω | $328.00 |
|
AKG K 612 Pro | Open, Over-ear | 125 Ω | $139.00 |
|
Shure SRH1840 | Open, Over-ear | 65 Ω | $499.00 |
|
Sennheiser HD 598 | Open, Over-ear | 61 Ω | $360.00 |
Popular amps for Sennheiser HD 660 S
| Model | Peak SPL | Portable | Price | |
|---|---|---|---|---|
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HiFiMAN EF-2A | 119.9 dB | $168.95 | |
|
Little Dot MK II | 117.8 dB | $164.89 | |
|
Aune T1 Mk2 | 120.9 dB | $159.95 | |
|
xDuoo TA-01 | 122.3 dB | $154.45 | |
|
Little Dot MK III | 119.6 dB | $327.90 | |
|
|
Bottlehead Crack OTL | 112.0 dB | $279.00 | |
|
Schiit Valhalla 2 | 113.6 dB | $389.00 | |
|
FiiO X3 | 113.4 dB | $352.20 | |
|
Matrix m stage USB | 117.8 dB | $279.00 | |
|
Pro-Ject Head Box DS | 114.2 dB | $359.00 |
