SoundTraxx 40 X 28.5mm Oval Speaker
 
Great sound for your train if you can fit this one in your model!
 
Dimensions: 40 x 28.5 x 11.3mm(D)
Frequency Response: 250Hz - 20kHz
Power: 1 Watt (Nominal) 2 Watts (Peak)
Impedance: 8 Ohms
 
 
MSRP; $15.95