This speaker is perfect for enhancing the low bass sounds that are found in most diesel decoders. It is well worth the extra effort! Dimensions: 23 x 23 x 10.2mm(D)Frequency Response: 275Hz - 20kHzPower: 2 Watts (Nominal) 4 Watts (Peak)Impedance: 8...

This speaker is great for boosting the low frequencies in most diesel and “big” steam sounds. Dimensions: 27 x 14.3mm(D)Frequency Response: 350Hz - 20kHzPower: 1 Watt (Nominal) 2 Watts (Peak)Impedance: 8 Ohms

This is our largest Megabass speaker which provides the best low frequency bass sounds for your steam, diesel, and electric models. Dimensions: 28 x 28 x 11.2mm(D)Frequency Response: 310Hz - 20kHzPeak Power: 2 Watts (Nominal) 4 Watts...