• Popular and economical multipurpose amplifier
• Designed for use with multi and single line phones
• Two position switch for phone compatibility either digital or carbon
• Two position switch for choice of headset either Smith Corona, GN Netcom or Plantronics
• Handset/Headset selector button
• Mute button with indicator light
• Receive and easy access transmit volume control on the bottom
• Built in training port
• Use AA batteries or an AC power adapter is supplied at no extra cost
• 3-year repair warranty

User Guide