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 | $479.00 |
| Highest | $700.00 |
| Lowest | $479.00 |
| Search Item | Amazon, eBay |
| Buy from Sennheiser | |
Other headphones by Sennheiser
| Rank | Model | Current Price |
|---|---|---|
| - | HD 202 II | $42.99 |
| - | HD 219 | $44.95 |
| - | HD 239 | $149.99 |
| - | HD 419 | $209.87 |
| - | HD 429 | $147.59 |
| - | HD 439 | $74.95 |
| - | HD 558 | $173.79 |
| #5 | HD 600 | $263.95 |
| - | HD 700 | $749.95 |
| - | Urbanite | $64.99 |
Similar Headphones
| Model | Style | Impedance | Price | |
|---|---|---|---|---|
|
Sennheiser HD 700 | Open, Over-ear | 167 Ω | $749.95 |
|
AKG K 702 | Open, Over-ear | 62 Ω | $198.05 |
|
AKG K 712 Pro | Open, Over-ear | 62 Ω | $339.00 |
|
AKG K 7XX | Open, Over-ear | 62 Ω | $175.00 |
|
AKG K 612 Pro | Open, Over-ear | 125 Ω | $139.95 |
|
Shure SRH1840 | Open, Over-ear | 65 Ω | $499.00 |
|
Sennheiser HD 598 | Open, Over-ear | 61 Ω | $429.98 |
Popular amps for Sennheiser HD 660 S
| Model | Peak SPL | Portable | Price | |
|---|---|---|---|---|
|
HiFiMAN EF-2A | 119.9 dB | $168.95 | |
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Little Dot MK II | 117.8 dB | $139.99 | |
|
Aune T1 Mk2 | 120.9 dB | $219.00 | |
|
xDuoo TA-01 | 122.3 dB | $164.99 | |
|
Little Dot MK III | 119.6 dB | $239.00 | |
|
Bottlehead Crack OTL | 112.0 dB | $279.00 | |
|
Schiit Valhalla 2 | 113.6 dB | $389.00 | |
|
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FiiO X1 | 107.2 dB | — | |
|
ALO Audio Rx MK3-B+ | 114.5 dB | $1,488.95 | |
|
AudioQuest DragonFly | 110.1 dB | $99.95 |
