A4-Tech Comfortfit Stereo Headphone
• On-the-Head
• 20 Hz ~ 20 KHz
• 32 ohms
• 105 dB ± 3dB (at 1000 Hz )
• 3.5 mm Stereo
A4-Tech ComfortFit Stereo Headset
• On-the-Head
• 20 Hz ~ 20 KHz
• 32 ohms
• 102 dB ± 3dB (at 1000 Hz )
• 3.5 mm Stereo
A4Tech ComfortFit Stereo Headset HS-19
• 20-20000 Hz
• 32 ohm
• 102 dB
• On-the-Head
• WindowsXP / Vista / 7 / 8 / 8.1 / 10