Description: Product introduction: This module is a recording loudspeaker shouting voice module, with recording playback and shouting functions, can be used in single-chip design, special place monitoring recording, escalators, walkways, construction sites and other places voice broadcast warnings and loudspeakers! Product parameters: Power supply voltage: DC 3.6-5.5V Power supply current:> 0.3A Recording time: 4 minutes Sampling rate: 32K sampling 48bit/s Built-in power amplifier output: 3W 4-8R Built-in microphone specifications: 9*7mm 50db Pin spacing: 2.54mil Headphone jack specification: 3.5mm Product size: 5.2*2.9*1.0cm Pin definition: PLAY: Amplification key, the falling edge triggers to enter the amplifying mode, used for megaphone. REC: Recording button, the falling edge triggers to enter the recording mode, and the indicator flashes to start recording. PREC: Play recording button, the falling edge triggers to start to play the recording content in a loop. P1REC: Play the recording button once, start to play the recording after the falling edge is triggered, and stop after playback. POW: Power on/off key, power on or off after falling edge trigger. GND: 5V power supply negative 5V: 5V power supply positive MIC: microphone positive and negative SPEAKER: speaker interface Instructions for use: 1. With recording function, up to 4 minutes of recording time, and can also play the recorded content. 2. It has the function of megaphone to realize the amplification of microphone sound. 3. Comes with 3w power amplifier chip, which can directly drive 3w internal speakers with adjustable volume. 4. The original sound output from the dual-channel headphone jack has not passed through the power amplifier of the carrier board, and is used for the sound amplification of the external audio and the power amplifier board. 5. Large volume supports customized revision, which can support up to 500 seconds of recording On Nov 22, 2023 at 02:19:19 PST, seller added the following information:
Price: 6.23 USD
Location: shenzhen
End Time: 2025-01-22T08:22:05.000Z
Shipping Cost: 2.99 USD
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Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Brand: Unbranded
MPN: 1
