Beyerdynamic MMX 300 (2nd generation)

TECHNICAL SPECIFICATIONS
Headphone
Transducer type . . . . . . . . . . . . . . . . Dynamic
Operating principle . . . . . . . . . . . . . Closed
Frequency response . . . . . . . . . . . . . 5 - 35,000 Hz
Nominal impedance . . . . . . . . . . . . . 32 Ω per system
Nominal SPL. . . . . . . . . . . . . . . . . . . 96 dB
T.H.D.. . . . . . . . . . . . . . . . . . . . . . . . < 0.2%
Power handling capacity . . . . . . . . . 100 mW
Sound coupling to the ear . . . . . . . . Circumaural
Ambient noise attenuation. . . . . . . . approx. 18 dBA
Headband pressure . . . . . . . . . . . . . 3.5 N
Weight with microphone and cable . 332 g
Cable length and type . . . . . . . . . . . 1.2 m [3.9 ft] cable with
remote control for the use
with consoles
2.5 m [8.2 ft] cable with
remote control for the use
with a PC
Connection . . . . . . . . . . . . . . . . . . . 1* 3.5 mm for consoles
2* 3.5 mm for PC
1* adapter 6.35 mm
Accessories . . . . . . . . . . . . . . . . . . . 2 x detachable cables
(console & PC)
1 x transport case
Microphone
Transducer type . . . . . . . . . . . . . . . . Condenser (back electret)
Operating principle . . . . . . . . . . . . . Pressure gradient
Polar Pattern . . . . . . . . . . . . . . . . . . Cardioid
Power supply . . . . . . . . . . . . . . . . . . AB powering
Supply voltage . . . . . . . . . . . . . . . . . 1.5 - 9 V
Current consumption . . . . . . . . . . . . < 0.5 mA
Nominal impedance . . . . . . . . . . . . . approx. 1.5 kΩ
Open circuit voltage at f = 1 kHz . . . 20 mV / Pa
Frequency response . . . . . . . . . . . . . 30 - 18,000 Hz
T.H.D.. . . . . . . . . . . . . . . . . . . . . . . . 0.2% at f = 1 kHz
Max. SPL . . . . . . . . . . . . . . . . . . . . . 120 dB
Microphone output . . . . . . . . . . . . . unbalanced
Dimensions
Length mic boom. . . . . . . . . . . . . . . approx. 150 mm
Capsule diameter. . . . . . . . . . . . . . . 13 mm
Connection . . . . . . . . . . . . . . . . . . . Mini stereo jack plug
(3.5 mm)