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Sennheiser HD 449
Impedance 32 Ω
Efficiency 99.1 dB SPL/mW
Frequency Response 16 - 24,000 Hz
Transducer Type Dynamic
Operating Principle Closed
Ear Coupling Over-ear
Target SPL Requirements
Target Power Voltage
90.0 dB 0.12 mW 0.06 Vrms
92.5 dB 0.22 mW 0.08 Vrms
95.0 dB 0.39 mW 0.11 Vrms
97.5 dB 0.69 mW 0.15 Vrms
100.0 dB 1.2 mW 0.2 Vrms
102.5 dB 2.2 mW 0.26 Vrms
105.0 dB 3.9 mW 0.35 Vrms
107.5 dB 6.9 mW 0.47 Vrms
110.0 dB 12.3 mW 0.63 Vrms
Price History
Current $74.99
Highest $146.34
Lowest $74.99
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Popular amps for Sennheiser HD 449

Model Peak SPL Portable Price
Electric Avenues PA2V2 Electric Avenues PA2V2 122.1 dB $70.00
FiiO E10K FiiO E10K 122.1 dB $71.30
FiiO E11K / A3 FiiO E11K / A3 123.4 dB $59.99
FiiO Fujiyama E06 FiiO Fujiyama E06 119.1 dB $27.99
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SMSL SAP-5 SMSL SAP-5 120.2 dB $49.99
SMSL SAP-4 SMSL SAP-4 122.1 dB $61.99