Open a new file (File>New) that would have 450x450 px and 72 dpi.
Select after that Ellipse Tool (U) to represent the primary layer of loud speaker to be next.
The layer's parameters:
Fill 0% on the layers.
Blending Options>Drop Shadow
Blending Options>Gradient Overlay
Gradient's parameters:
Blending Options>Stroke
Applying the same instrument, represent after that the lowest part of the loud speaker, which layer should be placed a little lower.
The layer's parameters:
Blending Options>Drop Shadow
Blending Options>Inner Glow
Blending Options>Gradient Overlay
Gradient's parameters:
Using the same instrument, (Ellipse Tool (U)), represent then the mobile part of the speaker.
The layer's parameters:
Blending Options>Outer Glow
Blending Options>Inner Glow
Blending Options>Gradient Overlay
Gradient's parameters:
Blending Options>Stroke
Apply the earlier used instrument to create now the inside central part of the loud speaker, colored in #313131
The layer's parameters:
Blending Options>Drop Shadow
Blending Options>Inner Shadow
Using again the same instrument, we have to picture now a flare situated on the central loud speaker's part.
The layer's parameters:
Fill 0% on the layers.
Blending Options>Gradient Overlay
Gradient's parameters:
More Tutorials: 
