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Audiobot Notes
Peak SPL

140.6 dB

This was approximated from the source output at 50 Ω

Damping factor 200.0
Etymotic ER-4S
Etymotic ER-4S
Impedance 100 Ω
Efficiency 120.0 dB SPL/mW
Frequency Response 20 - 16,000 Hz
Transducer Type Balanced armature
Ear Coupling In-ear
Price History
Current $299.00
Highest $299.00
Lowest $197.00
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Schiit Fulla 2
Output Impedance 0.5 Ω
Power Output 40 mW at 300 Ω
230 mW at 50 Ω
360 mW at 32 Ω
550 mW at 16 Ω
Frequency Range 20 - 20,000 Hz
Portable
Price History
Current $99.00
Highest $99.00
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