इसी प्रकार केSNC521

• SNC510
  • 3 V, one channel direct drive speech controller
• SNC511
  • 3 V, one channel direct drive speech controller
• SNC521
  • 3 V, one channel direct drive speech controller
• SNC532
  • 3 V, two channel direct drive speech controller
• SNC533
  • 3 V, two channel direct drive speech controller
• SNC538
  • 3 V, two channel direct drive speech controller
• SNC539
  • 3 V, two channel direct drive speech controller
• SNC542
  • 3 V, two channel direct drive speech controller