Soundtraxx
SoundTraxx is a U.S.-based manufacturer specializing in digital sound decoders and electronics for model railroads. Founded in 1990 and headquartered in Durango, Colorado, the company quickly became recognized for pioneering realistic onboard sound systems that revolutionized the hobby. Their catalog emphasizes prototypical accuracy, fine craftsmanship, and hobbyist-friendly usability, making SoundTraxx a trusted name among model railroaders worldwide. By focusing on advanced DCC technology and authentic sound reproduction, the company has established itself as a respected supplier in the global model railroading community.
The company’s product line includes the Tsunami2 and Econami series of digital sound decoders, CurrentKeeper power modules, lighting effects, and installation accessories. SoundTraxx is celebrated for its precision-engineered decoders that replicate the authentic sounds of steam and diesel locomotives, including whistles, horns, exhaust chuffs, dynamic brakes, and ambient effects. Their products often feature prototypical accuracy, customizable CVs (configuration variables), and compatibility with NMRA-compliant DCC systems, appealing to both casual hobbyists and advanced operators. By blending technical fidelity with hobbyist-focused usability, SoundTraxx appeals to modelers who value both authenticity and creative depth in their projects.
SoundTraxx continues to resonate with hobbyists worldwide by offering products that combine affordability, authenticity, and fine craftsmanship. Their decoders and electronics are celebrated for their ability to replicate real-world locomotive performance with engaging operational detail. With a strong emphasis on prototypical accuracy, innovative designs, and hobbyist-focused usability, SoundTraxx remains a top choice for modelers searching for products that balance realism with practicality. By providing versatile, historically accurate, and hobbyist-friendly sound systems, SoundTraxx has secured its place as a respected name in the global model railroading community.
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Vendor:Soundtraxx
SoundTraxx 810140 All Scale CurrentKeeper -- 1-9/16 x 1/4 x 7/16" 4 x .6 x 1.1cm
Regular price $36.31Sale price $36.31 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885002 All Scale TSU-1100 Digital Sound & Control Decoder - Tsunami2 -- GE Diesel Sounds 1-1/16 x 13/32 x 3/16" 27 x 10.5 x 5mm
Regular price $154.23Sale price $154.23 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 810159 All Scale JST 21-PNEM Adapter
Regular price $18.68Sale price $18.68 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 810158 All Scale CurrentKeeper 2-Pin Harness -- Connects CurrentKeeper to Quick Plug Equipped SoundTraxx Decoders
Regular price $9.86Sale price $9.86 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 881006 All Scale ECO-21PNEM ECO-21P 1-Amp, 6-Function Sound & Control Decoder - Econami(TM) -- Steam Sounds 1-13/64 x 5/8 x 1/4 30.5 x 15.5 x 6.5mm
Regular price $93.62Sale price $93.62 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 810132 All Scale DBX-9000 Locomotive-to-Tender Wiring Kit
Regular price $21.98Sale price $21.98 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 810156 All Scale Replacement 8-Wire Power Harness -- Fits TSU-1100 or ECO-100 Sound Decoders
Regular price $13.50Sale price $13.50 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885842 HO Scale TSU-BH1 Sound and DCC Decoder - Tsunami2 -- Alco Diesel Sounds
Regular price $135.50Sale price $135.50 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 810162 All Scale Mini Cube 3 Oval Speaker-Baffle Kit -- 8 Ohm, .3W, 12.5 x 5.5 x 3mm
Regular price $21.98Sale price $21.98 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885001 All Scale TSU-1100 Digital Sound & Control Decoder - Tsunami2 -- EMD Diesel Sounds 1-1/16 x 13/32 x 3/16" 27 x 10.5 x 5mm
Regular price $154.23Sale price $154.23 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885006 All Scale TSU-2200 Digital Sound & Control Decoder - Tsunami2 -- GE Diesel Sounds 1-3/8 x 11/16 x 1/4" 35 x 18 x 6mm
Regular price $147.62Sale price $147.62 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885815 All Scale 8-Function Sound and Control DCC Decoder with CurrentKeeper Plug - Tsunami2 -- Alco Sounds
Regular price $135.50Sale price $135.50 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885824 All Scale 8-Function Sound and Control DCC Decoder with CurrentKeeper Plug - Tsunami2 -- EMD-2 Sounds
Regular price $135.50Sale price $135.50 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885823 All Scale Tsunami2 TSU-21PNEM8 Sound and Control DCC Decoder -- EMD 2
Regular price $135.50Sale price $135.50 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885810 All Scale Tsunami2 TSU-21PNEM8 Sound and Control DCC Decoder -- GE
Regular price $135.50Sale price $135.50 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 884808 All Scale Tsunami2 TSU-21PNEM8 Sound and Control DCC Decoder -- Steam 2
Regular price $135.50Sale price $135.50 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 810113 All Scale 8-Ohm Speaker -- Oval - 0.63 x 1.38" 1.6 x 3.5cm
Regular price $17.58Sale price $17.58 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885809 All Scale Tsunami2 TSU-21PNEM8 Sound and Control DCC Decoder -- EMD
Regular price $135.50Sale price $135.50 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 884007 All Scale TSU-2200 Digital Sound & Control Decoder - Tsunami2 -- Steam Sounds 2 - 1-3/8 x 11/16 x 1/4" 35 x 17 x 6mm
Regular price $147.62Sale price $147.62 Regular priceUnit price / per -
Vendor:Soundtraxx
SoundTraxx 885007 All Scale TSU-2200 Digital Sound & Control Decoder - Tsunami2 -- Alco Diesel Sounds 1-3/8 x 11/16 x 1/4" 35 x 18 x 6mm
Regular price $147.62Sale price $147.62 Regular priceUnit price / per
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