Etymotic
ER4P
Etymotic's portable 1-BA IEM
Measurements
1 measurements found.Specs
- Driver type
- Balanced ArmatureSource: web.archive.org · Verified Oct 19, 2026
- Sensitivity
- 106 dB/mW121.7 dB/VSource: web.archive.org · Verified Oct 19, 2026
- Impedance
- 27 ΩSource: web.archive.org · Verified Oct 19, 2026
Power needed
Calculate what source power your headphones will need to operate at their best using Headphones.com's Power Calculator.
ohms
dB
Power Requirements
- Voltage (V)
- 0.26
- Current (mA)
- 9.65
- Power (mW)
- 2.51
- Equiv. dB/V
- 121.69