Create Realistic Speakers
Open a new file with 308×470 px and 300 dpi.
Take the shown instrument and try to represent a box designed for audio system. The box must be painted in black.
Blending Options-Inner Shadow
Represent now the last part of the big speaker. Apply the next tool to choose the correspondent cliché like it is demonstrated in the picture.
Fill 0% on the layers.
Blending Options-Bevel and Emboss