This tiny speaker comes with a properly proportioned speaker enclosure and provides great results for space-constrained models!

Dimensions: 16 x 12 x 11.3mm(D)
Frequency Response: 300Hz - 20kHz
Power: .7 Watts (Nominal) 1 Watt (Peak)
Impedance: 8 Ohms

Note: When using this speaker with a decoder that has a two watt amplifier, it must be wired in series with another 1 watt speaker.