Roland Headphone Specs
RH-20
INPUT IMPEDANCE
32 ohm +/- 9 ohm @ 1 Khz
SENSITIVITY
98 dB +/- 3 dB (SPL) / 1 mW @ 1 Khz
INPUT RATING
3 mW
RH-80
INPUT IMPEDANCE
40 ohm +/- 20% @ 1 Khz
SENSITIVITY
94 dB +/- 3 dB (SPL) / 1 mW @ 1 Khz
INPUT RATING
100 mW
RH-120
INPUT IMPEDANCE
40 ohm +/- 20% @ 1 Khz
SENSITIVITY
106 dB +/- 3 dB (SPL) / 1 mW @ 1 Khz
INPUT RATING
100 mW
RHS-300
INPUT IMPEDANCE
30 ohm +/- 20% @ 1 Khz
SENSITIVITY
91 dB +/- 3 dB @ 1 Khz
INPUT RATING
10 mW
RH-20
INPUT IMPEDANCE
32 ohm +/- 9 ohm @ 1 Khz
SENSITIVITY
98 dB +/- 3 dB (SPL) / 1 mW @ 1 Khz
INPUT RATING
3 mW
RH-80
INPUT IMPEDANCE
40 ohm +/- 20% @ 1 Khz
SENSITIVITY
94 dB +/- 3 dB (SPL) / 1 mW @ 1 Khz
INPUT RATING
100 mW
RH-120
INPUT IMPEDANCE
40 ohm +/- 20% @ 1 Khz
SENSITIVITY
106 dB +/- 3 dB (SPL) / 1 mW @ 1 Khz
INPUT RATING
100 mW
RHS-300
INPUT IMPEDANCE
30 ohm +/- 20% @ 1 Khz
SENSITIVITY
91 dB +/- 3 dB @ 1 Khz
INPUT RATING
10 mW