Audio experiment Mega Cube will become the Mega Game Cube (some day)

I’m building a new PCB for my cube. There will be 2 ESP32 on board to connect to playstation controllers. 3D Pong or 3D Tetris anyone! Space invaders, Asteroids, Arkanoid or Snake! A 3th Esp32 will deal with playing stereo audio (I2S), getting audio input for vu-meters and such (I2S) and the LCD screen tasks (touch screen, sd card and TFT with SPI) and also WiFi. The tasks will be taken from the Teensy so the teensy can use all power to calculate animations for the cube. I’ll also have a dc-dc 3A stepdown convertor on the PCB.

I needed some tiny speakers and a way to build them in my cube without breaking it down and 3D printing all over. This is an arduino nano and a resistor dac and amplifier. The arduino is running a mod player to play Amiga music. The song is a remix from one of my favorite childhood games Arkanoid!

The tiny 40mm speakers pack a punch! But only inside the 3D print, outside they loose a lot of power.

Should i glue the speaker to the 3D print with epoxy glue or something????? There are no mounting holes…..