# SPK HAT SKU:U055
## Description **SPK HAT** is an M5StickC compatible speaker, integrated PAM8303 amplifier (3w single channel type D power amplifier), High PSRR and differential inputs eliminate noise and rf interference, thus it has the characteristics of simple functions and high audio reproduction. ## Product Features - Ultra-low EMI interference, 20dB better than FCC class B standard at 300MHz - Voltage 5 v power supply, with 4 Ω load power output 3 w, 10% of the total harmonic distortion. - Ultra-low noise without input - Power range: 2.8V~5.5V - Shortcut protection. ## Package Includes - 1x SPK Hat ## Applications - MP4/MP3 ## Specification
Resources Parameter
Net weight 5g
Gross weight 13g
Product Size 25*24*14mm
Package Size 40*42*30mm
### Pin Map
M5StickCGPIO0GPIO265VGND
HAT SPKSDIN-5VGND
## Schematic - **[Schematic](https://github.com/m5stack/M5-Schematic/blob/master/Hat/StickHat_SPK.pdf)** ## Related Link - **[PAM8303 Datasheet](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/PAM8303_en.pdf)** ## EasyLoader >EasyLoader is a concise and fast program writer, which has a built-in case program related to the product. It can be burned to the main control by simple steps to perform a series of function verification. Please install the corresponding driver according to the device type. M5Core host [Please click here to view the CP210X driver installation tutorial](en/arduino/arduino_development), M5StickC/V/T/ATOM series can be used without driver)

Description:

Drive the SPK HAT speaker to play a tone every second.

## Example ### 1. Arduino [Click here to download Arduino code](https://github.com/m5stack/M5StickC/tree/master/examples/Hat/SPEAKER) ### 2. UIFlow Open http://flow.m5stack.com and Load Demo