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EMIC2 TTS External Amplifier — Parallax Forums

EMIC2 TTS External Amplifier

Hello,

I am using the EMIC2 TTS which has a 300mw amplifier on board for the speaker output. However, I would like to use a speaker at 1.5watts 8ohm. Is it possible to add a second amplifier such as (https://adafruit.com/product/2130?gclid=CjwKEAjw7J3KBRCxv93Q3KSukXQSJADzFzVS3ctDXiVKTliJNTKxZuqj6fk5Td_-lZqtcerNALIUdBoCKpnw_wcB) or either by pass the onboard amplifier?

Thanks for any information.

Comments

  • kwinnkwinn Posts: 8,692
    The LM4864MM in the emic is analog output so adding a second amp should be fine although you might need a potentiometer or voltage divider to reduce the input signal to the second amp.
  • What he said.
    With mine I typically use an amplified speaker setup for that step.
  • Thanks !
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