Etymotic ER-4S headphones
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| Impedance | 100 Ω |
|---|---|
| Efficiency | 120.0 dB SPL/mW |
| Frequency Response | 20 - 16,000 Hz |
| Transducer Type | Balanced armature |
| Ear Coupling | In-ear |
| Target SPL Requirements | ||
|---|---|---|
| Target | Power | Voltage |
| 90.0 dB | 0.0 mW | 0.01 Vrms |
| 92.5 dB | 0.0 mW | 0.01 Vrms |
| 95.0 dB | 0.0 mW | 0.02 Vrms |
| 97.5 dB | 0.01 mW | 0.02 Vrms |
| 100.0 dB | 0.01 mW | 0.03 Vrms |
| 102.5 dB | 0.02 mW | 0.04 Vrms |
| 105.0 dB | 0.03 mW | 0.06 Vrms |
| 107.5 dB | 0.06 mW | 0.07 Vrms |
| 110.0 dB | 0.1 mW | 0.1 Vrms |
| Price History | |
|---|---|
| Current | $299.00 |
| Highest | $299.00 |
| Lowest | $197.00 |
| Search Item | Amazon, eBay |
Other headphones by Etymotic
| Rank | Model | Current Price |
|---|---|---|
| - | ER-4B | Check Price |
| - | ER-4P | Check Price |
| - | ER-4PT | $299.00 |
| #37 | ER-6 | $129.00 |
| - | ER-6i | Check Amazon » |
| - | HF2 | $113.99 |
| - | HF3 | $149.00 |
| - | HF5 | $243.45 |
| - | MC2 | $206.89 |
| - | MC5 | $135.48 |
Popular amps for Etymotic ER-4S
| Model | Peak SPL | Portable | Price | |
|---|---|---|---|---|
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Schiit Magni | 147.0 dB | $12.99 | |
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Schiit Magni 2 | 147.0 dB | $5.99 | |
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Schiit Fulla 2 | 140.6 dB | $99.00 | |
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Schiit Fulla | 140.4 dB | $59.00 | |
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Schiit Magni 3 | 148.1 dB | $99.00 | |
|
FiiO E10K | 138.1 dB | $71.30 | |
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FiiO Andes E07K | 138.5 dB | $8,876.70 |
