Beyerdynamic DT 109 Black 50 ohm Broadcasting Headset+Samson 4-Ch Headphone Amp

(1) Beyerdynamic DT 109 50 Ohm Black Double-Ear Broadcasting Headset w/Microphone(1) SAMSON QH4 4-Channel Studio/Podcast Monitoring Headphone Amplifier Amp

Description of DT 109 Black 50 ohm:

For many years, the DT 109 has been the standardheadphone /microphone combination for live, remote broadcasting, studio, film,TV and language laboratory application Rugged, field-servicable constructionThe headphone transducers feature extended frequency response Adjustable,noise-cancelling microphone provides clear, audible speech transmission

Features of DT 109 Black 50 ohm:

• Beyerdynamic DT 109 50 Ohm Black Double-Ear Broadcasting Headset w/Microphone
• Excellent isolation from ambient noise
• High-quality hearing and microphone systems
• Single-sided, detachable connection cable
• Soft circumaural ear pads
• Made in Germany
• All versions of the DT 109 are supplied without a connection cablePlease order the desired connection cable at the same time

Specifications of DT 109 Black 50 ohm:

Headphone

• Transducer type: Dynamic
• Operating principle: Closed
• Frequency response: 30 - 20,000 Hz
• Nominal impedance: 50 O ± 10% per cartridge*
• Nominal SPL at 1 kHz: 94 dB
• THD: < 1%
• Power handling capacity: 1000 mW 124 dB
• Ambient noise attenuation approx: 20 dBA
• Sound coupling to the ear: Circumaural
• Headband pressure approx: 45 N
• Weight (without cable): 390 g

Microphone

• Transducer type: Dynamic
• Operating principle: Pressure gradient
• Frequency response: 40 - 12,000 Hz
• Polar pattern: Hypercardioid
• Output voltage approx: 25 mV at a distance of 5 cm
• Nominal impedance: 200 O
• Load impedance: = 1000 O

Features of SAQH4:

• SAMSON QH4 4-Channel Stereo DJ Studio Monitoring Headphone Amplifier Amp 
• 4-channel stereo headphone distribution amplifier
  
• Four independent 1/4" stereo headphone channels
  
• Individual volume control on each headphone channel
  
• Two balanced 1/4" input connectors
  
• Stereo 1/8" Aux input and output
  
• Master Mute and Mono-summing switches
  

Specifications of SAQH4:

• Inputs: 2 x 1/4" balanced, stereo 1/8" unbalanced TRS
  
• Outputs: 4 x stereo 1/4" unbalanced, stereo 1/8" unbalanced TRS
  
• Controls: Master volume, master Mute, master Mono, 4 x Channel volume
  
• Noise Floor: -114dBu, 22k BW unweighted
  
• Maximum Output: 8.3 dBu, 1% THD+N, loaded 16R
  
• Dynamic Range: 22dB, 22k BW
  
• Frequency Response: 17Hz–47kHz (-3dB)
  
• Power: 15VDC adapter