This is a great speaker for many HO and S-scale locomotives.
Dimensions: 40 x 20 x 8mm(D)
Frequency Response: 200Hz - 12kHz
Peak Power: 1.5 Watts
Impedance: 8 Ohms
Big sound in a little package
I purchased the larger soundtraxx speaker and I love it. Great sound! Can’t wait to get this one..