Headphone/ Mic Comparison

A4tech HS-24, A4Tech RH-300 Wireless HD Headset
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A4tech HS-24

A4Tech RH-300 Wireless HD Headset

 Acoustic design    
 Active noise reduction No No   
 Earpiece design    
 Noise reduction (microphone)    
 Number of drivers    
 Release year    
 Power supply
 Operated by battery    
 Battery life    
 Number of batteries for operation    
 Type of battery    
 Driver size  40mm  
 Available colours Black Black + Silver  
 Decoder unit    
 Including 3.5 mm / 6.3 mm adapter    
 Type of connector    
 Cord length 6.5 feet   
 Detachable cable    
 Maximum range    
 Wireless connection technology    
 Audio features
 Frequency range 20 Hz-20 kHz 20Hz-20KHz  
 Frequency response (microphone)    
 Impedance 32 Ohm   
 Impedance (microphone)    
 Sensitivity 97Db/10Mw/3mm   
 Sensitivity (Microphone)    
 Product page    
Price 950-Rs 2,999-Rs