(2) Beyerdynamic DT 290 MKII 80 Ohm Broadcasting Headsets+Mackie Headphone Amp

• (2) Beyerdynamic DT 290 MKII 80 Ohm Double-Ear Broadcasting Headset w/Microphone
• (1) Mackie HM-400 Pro Rackmount 4-Channel Headphone Amplifier w/12 Headphone outputs

• Beyerdynamic DT 290 MKII 80 Ohm Double-Ear Broadcasting Headset w/Microphone
• High-quality dynamic microphone with hypercardioid characteristic (high feedback prevention)
• Flexible, swivelling gooseneck for optimum positioning
• High-performance neodymium magnet system for excellent playback precision
• Soft, circumaural ear pads, practical click system for replacing the ear pads
• Made in Germany
• All versions of the DT 290 are supplied without a connection cablePlease order the desired connection cable at the same time
• Closed headphone
• Good ambient noise attenuation
• Neodymium magnet system for perfect reproduction
• Soft, circumaural ear pads
• Single-sided, plug-in type connecting cable (delivery does not include the connecting cable)
• Limiter (optional)
• Flexible, pivotable gooseneck for optimal positioning with elasticated microphone suspension

Specifications:

Headphone

• Transducer principle: Dynamic
• Operating principle: Closed
• Transmission range: 10 - 30,000 Hz
• Nominal impedance: 80 Ω / system
• Nominal SPL at 1 kHz: 100 dB SPL at 1 mW = 028 V to 80 Ω
• THD: < 02%
• Nominal power rating: 100 mW = 120 dB = 28 V to 80 Ω
• Ambient noise insulation approx: 16 dBA
• Average pressure on ears: 45 N
• Weight without cable: 240 g

Microphone DT 290

• Transducer principle: Dynamic
• Frequency response: 40 - 12,000 Hz
• Polar pattern: Hypercardioid
• Output voltage at a distance of 5 cm: approx 13 mV/Pa
• Nominal impedance: 200 Ω
• Nominal output impedance: > 1000 Ω
• Outer diameter: approx 232 mm

Microphone DT 290 V11

• Transducer principle: Dynamic
• Frequency response: 40 - 12,000 Hz
• Polar pattern: Hypercardioid
• Output voltage at a distance of 5 cm: approx 15 V/Pa
• Nominal impedance: 200 Ω
• Current consumption: 8 - 56 mA
• Outer diameter: approx 232 mm

• Mackie HM-400 Pro Rack-Mount 4-Channel HeadphoneAmplifier with 12 Headphone Outputs
• L/R Main stereo inputs plus L/R stereo outputs
• 7 Segment LED metering per channel plus main
• 3 headphone outputs per channel
• Aux input on each channel with balance control to mixmain and aux signal
• Mute and stereo/2-channel mode switches per channel
• 12 total headphone outputs
• Built-Like-A-Tank™ construction