Speakers / Electronics / Wires

The SoundTraxx CurrentKeeper™ is designed to add additional power capacity to any decoder installation. It can be used to overcome dirty track, limited electrical pickup or dead frogs to ensure reliable operation of any locomotive in your fleet. It...

Introducing the More Compact CurrentKeeperII!Not all models are made the same, and some are a TIGHT fit for a decoder installation. The CurrentKeeper is now available in two sizes to fit more models and make your installs easier! Keep more of your trains...

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...

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 - 20kHzPower: 2 Watts (Nominal) 5 Watts (Peak)Impedance: 8 Ohms

Easily adapt any SoundTraxx 21PNEM decoder to an NMRA 9-Pin DCC "quick plug" equipped model. This adapter can also be used with SoundTraxx 9-Pin JST power harness (p.n. 810069) to create a universal-style decoder.Dimensions: 22.5 x 16 x 7.5mmSupport for...

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

This is a great speaker for many HO and S-scale locomotives.Dimensions: 40 x 20 x 8mm(D)Frequency Response: 550Hz - 12kHzPower: 1 Watt (Nominal) 1.5 Watts (Peak) Impedance: 8 Ohms

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 - 4kHzPower: 1 Watt (Nominal) 1.5 Watts (Peak)Impedance: 8 Ohms

This small oval speaker is ideal for narrow hood diesels.Dimensions: 35 x 16 x 8mm(D)Frequency Response: 250Hz - 13kHzPeak Power: 2 WattsImpedance: 8 Ohms

If you have more space, this speaker is great for larger models.Dimensions: 35 x 20 x 5.3mm(D)Frequency Response: 560Hz - 20kHzPower: 1 Watt (Nominal) 2 Watts (Peak)Impedance: 8 Ohms

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 - 20kHzPower: .7 Watts (Nominal) 1 Watt (Peak)Impedance: 8 OhmsNote:...

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 - 10kHzPower: 40mW (Nominal) 75mW (Peak)Impedance: 32 OhmsNote: When using this...

3mm (0.12”) diameter, 3.3V, Sunny White LEDs.

3mm (0.12”) diameter, 3.3V, Golden White LEDs.

Replacement 9-wire to JST power harness for all TSU-2200 or ECO-200 Digital Sound Decoders.

This tiny, high-output speaker is suitable for N-scale and larger models.Dimensions: 20 x 4.2mm(D)Frequency Response: 750Hz - 9kHzPower: 0.5 Watts (Nominal) 1 Watt (Peak)Impedance: 8 Ohms

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 - 15kHzPower: 0.3 Watt (Nominal) 0.5 Watt (Peak)Impedance: 8 Ohms

If you have more space, this speaker works well for larger models.Dimensions: 30 x 5.3mm(D)Frequency Response: 490Hz - 10kHzPower: .5 Watt (Nominal) 1 Watt (Peak)Impedance: 8 Ohms

This set of four 8-pin connectors is designed to facilitate wiring in locomotives equipped with a DCC-ready socket.

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 Ohms

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 (Peak)Impedance: 8...

Replacement 8-wire power harness for all TSU-1100 or ECO-100 Digital Sound Decoders.

These 2-pin connectors allow locomotive wiring to be quickly disconnected for easier painting and servicing. This kit includes a 2-pin connector set, 6" of red wire, 6" of black wire, and four pieces of heat-shrink tubing.

Replacement 4-wire speaker and lighting harness for Tsunami2 and Econami Digital Sound Decoders.

For Use With the Tsunami SoundCarFeaturing a high-powered magnet, this tool is perfect for waving over SoundCar-equipped models to activate Intelligent Consisting. Measures 5.5” long.

Easily connect a CurrentKeeper or extra capacitor to any SoundTraxx decoder equipped with a 2-pin "Quick Plug" to improve performance over dirty track and switches.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

Available in 10-foot lengths, this ultra-flexible 30AWG wire makes decoder installations a breeze. We offer 11 colors to match the NMRA and SoundTraxx standards.

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

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

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

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

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

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

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

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

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

This 220µF capacitor helps keep power to the decoder during momentary power losses. For use with decoders that use an external capacitor assembly, such as the  TSU-1100 or ECO-100.