Introduction
Table: impedances and sensitivity @ 1mW and @ 1V for Headphones
| Model
|
Impedance (Ohm)
|
Sensitivity @ 1mW (dB SPL)
|
Sensitivity @ 1V (dB SPL)
|
Audiological SPL
|
| AKG_K271_MKII
|
55
|
91
|
104 (+12.5 dB)
|
N
|
| SENNHEISER_HD600
|
300
|
92
|
97 (+5.2 dB)
|
N
|
| SENNHEISER_HD100
|
26
|
94
|
110 (+15.8 dB)
|
N
|
| BEYERDYNAMIC_DT_770_PRO
|
80
|
96
|
107 (+11.0 dB)
|
N
|
| SENNHEISER_HDA280
|
37
|
103
|
117 (+14.3 dB)
|
Y
|
| SENNHEISER_HDA300
|
23
|
108
|
124 (+16.4 dB)
|
Y
|
| RADIOEAR_P4492
|
10
|
107
|
127 (+20 dB)
|
Y
|
| TELEPHONICS_TDH-39P
|
10
|
108
|
128 (+20 dB)
|
Y
|
| Model
|
Impedance (Ohm)
|
Sensitivity
|
@ 1mW (dB SPL)
|
Sensitivity @ 1V (dB SPL)
|
Audiological SPL
|
| AKG_K271_MKII
|
55
|
91
|
1mW (dB SPL)
|
104 (+12.5 dB)
|
N
|
| SENNHEISER_HD600
|
300
|
92
|
1mW (dB SPL)
|
97 (+5.2 dB)
|
N
|
| SENNHEISER_HD100
|
26
|
94
|
1mW (dB SPL)
|
110 (+15.8 dB)
|
N
|
| BEYERDYNAMIC_DT_770_PRO
|
80
|
96
|
1mW (dB SPL)
|
107 (+11.0 dB)
|
N
|
| SENNHEISER_HDA280
|
37
|
103
|
1mW (dB SPL)
|
117 (+14.3 dB)
|
Y
|
| SENNHEISER_HDA300
|
23
|
108
|
1mW (dB SPL)
|
124 (+16.4 dB)
|
Y
|
| RADIOEAR_P4492
|
10
|
107
|
1mW (dB SPL)
|
127 (+20 dB)
|
Y
|
| TELEPHONICS_TDH-39P
|
10
|
108
|
1mW (dB SPL)
|
128 (+20 dB)
|
Y
|