A "2W 8 Ohm speaker" refers to a speaker with a rated power of 2 Watts and an impedance of 8 Ohms. Impedance is a measure of a speaker's resistance to the flow of electrical current, and is specified in ohms. The rated power of a speaker indicates the maximum power it can handle without damage, and is specified in watts.

In this case, a 2W 8 Ohm speaker is a low-powered speaker that's suitable for use in small devices or applications that don't require high volume output.

This is a small 2W 8 Ohm speaker that can be used for voice & audio projects.