13/06/2026
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Carolina Valdés Soto
Psicopedagoga, Profesora de Educación Diferencial y Magíster en Educación. Actualmente, se desempeña como Directora / CEO de Pedagogías.cl.
4 Buttons Triggered MP3 Player Board with 10W Amplifier and Terminal Blocks
USD 29.95 USD
Features:High quality audio decoder which, supports MP3 and WAV audio formats.Works with most Windows, Mac, and Linux systems Sampling rates supported: 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48 (KHz).24 bit DAC output and supports dynamic range 90dB and SNR 85dB.Supports one-on-one 4 button trigger control mode and RS232 serial port control mode.In button control mode, it plays back 4 sounds one-on-one by negative triggering.Uses microSD card and the built-in SPI flash memory as storage.Built-in 4MB SPI flash memory by default.Supports max. 32GB micro SD card.Possible to load audio files to the flash memory directly via the micro USB port. Connecting to a computer is similar to using a USB flash drive with PC.Built-in mono 10 watt amplifier that can drive a 10 watt (8 ohm) speaker directly. Or 5 watt (if using 4 ohm speaker) Equipped with a 3.5mm audio jack for stereo output that can drive an earphone directly or to connect with an external amplifier.Adjustable sound volume with the onboard potentiometer.Wide range for power input (DC 8-24V).PCB size: 52mmx49mmTechnical Parameters:Working voltage: DC 8V-24VWorking current: ≤400mA (Input: DC12V DC)Working current if playback through headphone jack only: 30mA (Input 12V DC)Standby current: 10mA (Input 12V DC)Power Consumption: ≤10WOnboard flash memory size: 4MBAudio format: MP3 and WAV
Specifications
| Return Shipping Will Be Paid By | Seller |
| All Returns Accepted | Returns Accepted |
| Item Must Be Returned Within | 30 Days |
| Brand | Unbranded |
| MPN | Does not Apply |
Features:High quality audio decoder which, supports MP3 and WAV audio formats.Works with most Windows, Mac, and Linux systems Sampling rates supported: 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48 (KHz).24 bit DAC output and supports dynamic range 90dB and SNR 85dB.Supports one-on-one 4 button trigger control mode and RS232 serial port control mode.In button control mode, it plays back 4 sounds one-on-one by negative triggering.Uses microSD card and the built-in SPI flash memory as storage.Built-in 4MB SPI flash memory by default.Supports max. 32GB micro SD card.Possible to load audio files to the flash memory directly via the micro USB port. Connecting to a computer is similar to using a USB flash drive with PC.Built-in mono 10 watt amplifier that can drive a 10 watt (8 ohm) speaker directly. Or 5 watt (if using 4 ohm speaker) Equipped with a 3.5mm audio jack for stereo output that can drive an earphone directly or to connect with an external amplifier.Adjustable sound volume with the onboard potentiometer.Wide range for power input (DC 8-24V).PCB size: 52mmx49mmTechnical Parameters:Working voltage: DC 8V-24VWorking current: ≤400mA (Input: DC12V DC)Working current if playback through headphone jack only: 30mA (Input 12V DC)Standby current: 10mA (Input 12V DC)Power Consumption: ≤10WOnboard flash memory size: 4MBAudio format: MP3 and WAV
