Headphone/ Mic Comparison

A4tech T-100, A4tech A4-HSP-100U
Select Model


A4tech T-100

A4tech A4-HSP-100U

 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    
 Available colours    
 Decoder unit    
 Including 3.5 mm / 6.3 mm adapter    
 Type of connector    
 Cord length    
 Detachable cable    
 Maximum range    
 Wireless connection technology    
 Audio features
 Frequency range 18 Hz-20 kHz   
 Frequency response (microphone)    
 Impedance 32 Ohm   
 Impedance (microphone)    
 Sensitivity 100 dB   
 Sensitivity (Microphone) 45 dB   
 Product page    
Warranty 0
Price 1,299-Rs 1,820-Rs