20mm (3/4") Round Speaker

This tiny, high-output speaker is suitable for N-scale and larger models.

Dimensions: 20 x 4.2mm(D)
Frequency Response: 750Hz - 9kHz
Power: 0.5 Watts (Nominal) 1 Watt (Peak)
Impedance: 8 Ohms

15mm (1/2") Round Speaker

This tiny speaker has a high-output and works well for N-scale and larger models.

Dimensions: 15 x 3.5mm(D)
Frequency Response: 780Hz - 15kHz
Power: 0.3 Watt (Nominal) 0.5 Watt (Peak)
Impedance: 8 Ohms

30mm Round Speaker

If you have more space, this speaker works well for larger models.

Dimensions: 30 x 5.3mm(D)
Frequency Response: 490Hz - 10kHz
Power: .5 Watt (Nominal) 1 Watt (Peak)
Impedance: 8 Ohms

28mm (1") Round Speaker

Suitable for many HO and larger models.

Dimensions: 28 x 4.5mm(D)
Frequency Response: 320 Hz - 18kHz
Power: 1 Watt (Nominal) 2 Watts (Peak)
Impedance: 8 Ohms

50 x 90mm Oval Speaker

This is one of our largest speakers for use with the TSU-4400 in O-scale or larger models.

Dimensions: 50 x 90 x37.5mm(D)
Frequency Response: 230Hz - 20kHz
Power: 2 Watts (Nominal) 5 Watts (Peak)
Impedance: 8 Ohms

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

40 x 20mm Oval Speaker

This is a great speaker for many HO and S-scale locomotives.

Dimensions: 40 x 20 x 8mm(D)
Frequency Response: 550Hz - 12kHz
Power: 1 Watt (Nominal) 1.5 Watts (Peak)
Impedance: 8 Ohms

25 x 14mm Oval Speaker

This small speaker is perfect for narrow hood diesels and anywhere else where space is at a premium.

Dimensions: 25 x 14 x 5.2mm(D)
Frequency Response: 740Hz - 4kHz
Power: 1 Watt (Nominal) 1.5 Watts (Peak)
Impedance: 8 Ohms

35 x 16mm Oval Speaker

This small oval speaker is ideal for narrow hood diesels.

Dimensions: 35 x 16 x 8mm(D)
Frequency Response: 250Hz - 13kHz
Power: 1 Watt (Nominal) 2 Watts (Peak)
Impedance: 8 Ohms

35 x 20mm Oval Speaker

If you have more space, this speaker is great for larger models.

Dimensions: 35 x 20 x 5.3mm(D)
Frequency Response: 560Hz - 20kHz
Power: 1 Watt (Nominal) 2 Watts (Peak)
Impedance: 8 Ohms

Mini Cube Oval Speaker/Baffle

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.

Mini Cube 2 Oval Speaker/Baffle

Our tiniest speaker comes with a properly proportioned speaker enclosure and provides remarkable volume for tiny models!

Dimensions: 13 x 9 x 9.4mm(D)
Frequency Response: 100Hz - 10kHz
Power: 40mW (Nominal) 75mW (Peak)
Impedance: 32 Ohms

Note: When using this speaker with a decoder that has an 1-2 Watt, 8 Ohm amplifier; it must be wired in series with another 32 Ohm speaker to create a 16 Ohm load for the amplifier.

Mini Cube 3 Oval Speaker/Baffle Kit

Our newest speaker is the Mini Cube 3. We just love the amazing sound that you can get out of this tiny speaker. The Mini Cube 3 is only 12 x 5.5 x 3mm, but the sound it produces will blow your mind!

George has shown this speaker off in YouTube videos with our new N-Scale TSU-KN1 decoder. Visit the videos tab on this page or search: SoundTraxx TSU-KN1, on YouTube to see the install and to hear this speaker in action!

Dimensions: 12.5 x 5.5 x 3mm(D)
Frequency Response: 800Hz - 20kHz
Power: 0.3 Watts (Nominal) 0.5 Watts (Peak)
Impedance: 8 Ohms

Note: For best performance, seal the speaker to the baffle with a light RTV-style adhesive.

To avoid damaging the 0.5 watt Mini Cube 3 speaker, they are best used in pairs and wired in series.

23mm Square Mega Bass Speaker

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 - 20kHz
Power: 2 Watts (Nominal) 4 Watts (Peak)
Impedance: 8 Ohms

27mm Round Mega Bass Speaker

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 - 20kHz
Power: 1 Watt (Nominal) 2 Watts (Peak)
Impedance: 8 Ohms

28mm Square Mega Bass Speaker

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 - 20kHz
Peak Power: 2 Watts (Nominal) 4 Watts (Peak)
Impedance: 8 Ohms

15mm Baffle Kit

This snap-together baffle kit is designed for use with our 15mm round speakers (P.N. 810089).

20mm Baffle Kit

This snap-together baffle kit is designed for use with our 20mm round speakers (P.N. 810053).

28mm Baffle Kit

This snap-together baffle kit is designed for use with our 28mm round speakers (P.N. 810054 or 810153).

20mm Speaker Gasket Kit

Package of four gaskets for mounting our 20mm round speakers (P.N. 810053).

28mm Speaker Gasket Kit

Package of four gaskets for mounting our 28mm round speakers (P.N. 810054).

40 x 20mm Speaker Gasket Kit

Package of four gaskets for mounting our 40 x 20mm oval speakers (P.N. 810103).

25 x 14mm Speaker Gasket Kit

Package of four gaskets for mounting our 25 x 14mm oval speakers (P.N. 810112).

35 x 16mm Speaker Gasket Kit

Package of four gaskets for mounting our 35 x 16mm oval speakers (P.N. 810113).

40 x 28.5mm Speaker Gasket Kit

Package of four gaskets for mounting our 40 x 28.5mm oval speakers (P.N. 810078).