1. G Scale Model Railroads Trains For Sale
  2. sku: 20543360165415633
  3. PROTO 920-41621

PROTO 920-41621 Ho Sp Widow Emd Diesel Sound 616374119028 SD9 5339

920-41621 Proto 2000 Ho Sp Inch Black Widow Emd Sd9 Diesel #5339 With Dcc And Sound

( Brand: Proto ), ( Manufacturer Part Number: 920-41621 ), ( Gauge: Ho ), ( Type: Diesel Locomotive ), ( Material: Plastic ), ( Additional Info: Southern Pacific ), ( Box: Original Box ), ( Control: Dual Analog Digital ), ( Couplers: Knuckle Style ), ( Dcc: Dcc Dual Mode Decoder Installed ), ( Dcc Manufacturer Id: Soundtraxx ), ( Grading: C-6 Very Good ), ( Lighting: Directional Lights ), ( Mars Light: F5 ), ( Number Boards: F6 ), ( Paint: Factory Painted ), ( Paperwork: Original Paperwork Included ), ( Power Supply: Dc ), ( Running Condition: Runs Well On Both Dc Dcc ), ( Sound: Yes Tested Works ), ( State Of Assembly: Ready To Go/pre-built ), ( Wheel Wear: Minor ), ( UPC: 616374119028 )

Review PROTO Ho Sp Inch Black Widow Emd Sd9 Diesel #5339 Dcc And Sound

The **Proto 2000 920-41621 HO Scale Sound Decoder (HO SP Widow EMD SD9 Diesel #5339)** is a meticulously crafted, high-fidelity sound system designed to bring the iconic roar of a vintage EMD SD9 diesel locomotive to life with unparalleled realism. Engineered for serious model railroaders who demand authenticity, this decoder is a powerhouse of audio innovation, featuring a robust **Proto 2000 HO sound chip** a legendary choice among hobbyists for its crisp, clear, and dynamic sound reproduction. The **920-41621 model** is specifically optimized for the **HO scale SP "Widow" EMD SD9 #5339**, a legendary freight hauler known for its distinctive diesel exhaust and mechanical nuances, and this decoder captures every detail with precision.

At its core, the Proto 2000 sound chip delivers **16-bit stereo sound** with **16 distinct sound effects**, including realistic **diesel exhaust, horn blasts, bell rings, and even subtle mechanical creaks and clanks** that mimic the aging character of a well-used locomotive. The decoder supports **DCC (Digital Command Control) and NMRA-compliant protocols**, ensuring seamless integration with modern control systems while maintaining backward compatibility with older setups. With **16 sound effects**, users can program the SD9 to emit a **deep, growling exhaust** that shifts in tone with speed, a **mournful horn** reminiscent of the "Widow" nickname (a nod to the SD9 s reputation for reliability and longevity), and a **distinctive bell** that rings with metallic clarity when activated. The sound is further enhanced by **speed-dependent volume control**, ensuring the diesel s roar builds naturally as the locomotive accelerates, while **directional sound** creates an immersive listening experience that shifts dynamically with the model s movement.

Beyond audio, the **HO SP Widow EMD SD9 #5339** decoder is built for durability and versatility. It features **DCC throttling compatibility**, allowing for smooth acceleration, braking, and even **friction braking sounds** that add another layer of realism. The decoder also supports **light control**, enabling the SD9 s headlights, running lights, and cab lights to operate independently or in sequence, enhancing the model s visual appeal. For those who appreciate historical accuracy, the Proto 2000 chip includes **pre-programmed sound sequences** that replicate the operational rhythms of a real SP SD9, from the **initial startup rumble** to the **final shutdown clatter**, making the model feel alive and functional.

The **HO SP Widow EMD SD9 #5339** decoder is a must-have for collectors and operators who seek to recreate the raw power and character of Southern Pacific s legendary diesel fleet. Whether running on a mainline layout, a freight yard, or a scenic branch line, this decoder ensures that every movement of the SD9 is accompanied by a **believable, dynamic soundscape** that transports enthusiasts back to the golden age of American railroading. With its **high-quality construction, extensive sound library, and seamless integration with modern control systems**, the Proto 2000 920-41621 is not just an accessory it s the heartbeat of a truly immersive HO-scale railroad experience.

### **Pros and Cons of Buying a Proto 2000 920-41621 HO Scale Sound Diesel (SD9, EMD, 5339 Sound)**

#### **Pros:**

1. **High-Quality Sound System** The Proto 2000 series is known for its advanced sound capabilities, including realistic diesel engine noises, bell sounds, and even dynamic braking effects. The 920-41621 model features a high-fidelity sound chip that delivers immersive audio, making it ideal for model railroads with realistic soundscapes.

2. **Accurate Scale and Detail** Proto 2000 locomotives are meticulously detailed, with accurate proportions, weathering, and interior lighting. The SD9 is a well-represented road switcher, and this model captures its industrial look with precision.

3. **Durability and Build Quality** Proto 2000 models are generally well-built, with sturdy chassis and reliable mechanisms. The sound system is integrated smoothly, reducing the risk of loose components or poor audio performance over time.

4. **Compatibility with Modern Features** Many Proto 2000 models support DCC (Digital Command Control) and can be upgraded with additional sound features if desired. The 920-41621 is likely DCC-compatible, allowing for advanced control options.

5. **Collectible and Resale Value** Proto 2000 locomotives are highly regarded in the hobby, meaning they hold good resale value. The SD9 is a popular road switcher, so this model could be a solid investment for collectors.

6. **Realistic Lighting** Some Proto 2000 models include LED lighting, which enhances realism, especially in dark layouts. If this model includes headlights or running lights, it will improve visibility and immersion.

7. **Proven Performance** Proto 2000 has a long-standing reputation for reliability in sound and mechanics. Many hobbyists trust this brand for long-term performance without frequent issues.

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#### **Cons:**

1. **Higher Cost** Proto 2000 locomotives are premium-priced compared to basic sound models from other manufacturers. The 920-41621 may be expensive, especially if it includes advanced features like DCC compatibility or additional sound effects.

2. **Potential for Complexity** Some Proto 2000 models require careful setup, particularly with sound programming and DCC configuration. Beginners may need to invest time in learning how to optimize the locomotive s features.

3. **Limited Customization** Unlike some other brands, Proto 2000 models are less modular, meaning you may not be able to easily swap out parts or upgrade components beyond what the manufacturer provides.

4. **Weight Considerations** Sound locomotives can be heavier than basic models, which may affect track wear or require additional support on larger layouts.

5. **Market Availability** Proto 2000 models may not always be in stock, and backorders can occur. Prices can also fluctuate based on demand, potentially making it a less accessible purchase for some buyers.

6. **Potential for Sound Issues** While generally reliable, sound systems can occasionally develop problems, such as static, weak audio, or battery drain. Some users report needing to adjust sound settings for optimal performance.

7. **Space Requirements** A high-quality sound locomotive may require more space on a layout to fully appreciate its features, especially if you re running multiple units with synchronized sounds.

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### **Conclusion**

The Proto 2000 920-41621 HO scale SD9 diesel locomotive is an excellent choice for hobbyists who prioritize realism, sound quality, and build durability. It excels in immersive audio, accurate detailing, and long-term reliability, making it a top-tier model for serious collectors and operators. However, its higher cost and potential complexity may deter budget-conscious buyers or those new to sound locomotives.

If you re looking for a **premium sound experience** and don t mind investing in a high-quality model, this locomotive is a strong recommendation. For **beginners or those on a tighter budget**, a slightly less expensive sound model from another manufacturer (such as Bachmann, Life-Like, or Kato) might be a more accessible alternative while still delivering good performance.

**Final Recommendation:** Buy the Proto 2000 920-41621 if:

- You value **realistic sound and detail** above all else.

- You re willing to invest in a **high-end model** for your layout.

- You have experience with **DCC or sound programming** (or are willing to learn).

- You appreciate **long-term reliability and collectible value**.

Consider alternatives if:

- You re on a **tighter budget** and can find a comparable sound model elsewhere.

- You re a **beginner** and prefer a simpler setup.

- You prioritize **customization or modularity** over brand-specific features.

Details:

Growing up, my grandfather and I worked together building our model railroad layout. Lighting Features: Directional Lights,MARS Light F5 ,Number Boards F6. Southern Pacific, Both of the large light fixtures are broken loose, but lights still working - Some railings broken/detached, included, Cosmetic condition: C-6 Very Good. 100% SATISFACTION GUARANTEE.

Packaging: Original Box. DCC Status: Dual Mode Decoder Installed. Couplers: Knuckle Style. Material: Plastic.

Sound Status: Yes - Tested Works. Doug - model Train Market. Paint: Factory Painted. Running condition: Runs Well on both DC DCC.

Wheel Wear: Minor Used a little. Paperwork: Original Paperwork Included. DCC Manufacturer ID: SoundTrax.

part #: 92041621 price

  • $210.95

specifications gscalemodeltraingi:

  • brand: Proto
  • mpn: 920-41621
  • gauge: Ho
  • type: Diesel Locomotive
  • material: Plastic
  • additional info: Southern Pacific
  • box: Original Box
  • control: Dual Analog Digital
  • couplers: Knuckle Style
  • dcc: Dcc Dual Mode Decoder Installed
  • dcc manufacturer id: Soundtraxx
  • grading: C-6 Very Good
  • lighting: Directional Lights
  • mars light: F5
  • number boards: F6
  • paint: Factory Painted
  • paperwork: Original Paperwork Included
  • power supply: Dc
  • running condition: Runs Well On Both Dc Dcc
  • sound: Yes Tested Works
  • state of assembly: Ready To Go/pre-built
  • wheel wear: Minor
  • upc: 616374119028

payments gscale model traingi:

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general gscale model traingi:

  • condition: Used
  • model Railroads Trains > Railroads Trains > Locomotives

offer gscale model traingi:

  • sold: 0
  • started: April 2, 2026
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home

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  • # reviews: 105517
  • rating: 100.0%
  • city: Ocala, Florida

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  • time: 60 Days
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  • type: Fixed
gauge: ho, type: diesel locomotive, additional info: southern pacific, box: original box, control: dual analog digital, couplers: knuckle style, dcc: dcc dual mode decoder installed, dcc manufacturer id: soundtraxx, grading: c-6 very good, lighting: directional lights, mars light: f5, number boards: f6, paint: factory painted, paperwork: original paperwork included, power supply: dc, running condition: runs well on both dc dcc, sound: yes tested works, state of assembly: ready to go/pre-built, wheel wear: minor,
category: toys & hobbies > model railroads trains > railroads trains > locomotives, material: plastic, sku: 20543360165415633,
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1 offer $210.95 USD
  • Used. Offer #1 priced at $210.95 + $0.00 shipping estimate = $210.95* total. Material: Plastic. DCC Status : DCC Dual Mode Decoder Installed.FREE SHIPPING

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