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WTR-S4 Audio Recording Module

Starting at: $13.90
Sale: $13.21
Save: 5% off
  • Units in Stock: 89
  • Date Added: Thursday 10 June, 2010
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Product Description:


  • Apply 8 bit DSP core recording chip WTR010, 16 bit ADC input, 16 bit DAC output.
  • Support external SPI-FLASH (4M/Bit to 16M/Bit)
  • One key one voice mode (record & play by this same key) and three line serial mode.
  • Support Line and MIC record.
  • Self-set Sampling rate from 6KHz, 8KHz, 12KHz 16KHz.
  • Input voltage from DC2.7V to 3.5V
  • Below 150uA consumption in saving power mode.
  • Can use in phone recording, industrial control, consumable products, toys and so on.


Realize the recording function by our WTR chip and external SPI FLASH. With good quality sound, long recording duration and low cost. Currently, the longest recording duration is 2730 seconds for this module.

WTR-S4 module with key mode, One key one voice mode (record & play by this same key), and three line serial mode. The mode can not be change after fixed at first time programming. But the recording can be erased. You should tell us which mode you need.

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