When comparing 4-channel transmitters from Futaba and Spektrum, two prominent models stand out: the Futaba 4PM Plus and the Spektrum DXS. Below is a detailed comparison to assist you in making an informed decision.
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Overview
Futaba 4PM Plus: Designed for surface models, the 4PM Plus offers advanced features tailored for car and boat enthusiasts.
Spektrum DXS: Aimed primarily at aircraft users, the DXS provides essential functionalities suitable for various flying models.
Key Features
Futaba 4PM Plus
- T-FHSS SR (Super Response) and Telemetry T-FHSS: Enhances processing speed for improved response. Note: The SR system does not support telemetry functions.
- Model Memory: Stores settings for up to 40 models, allowing for easy switching between different vehicles.
- 4-Axis Jog Button: Facilitates intuitive navigation through settings and menus.
- ESC-Link Function (MC-Link): Enables direct adjustments to compatible Futaba electronic speed controllers.
- S.Bus Servo Compatibility: Allows for parameter adjustments of S.Bus servos using PC Link software.
Spektrum DXS
- DSMX® Technology: Provides a robust 2.4GHz frequency-agile system ensuring secure control.
- Ergonomic Design: Optimized for comfort, featuring well-placed switches and trim positions to reduce pilot fatigue.
- Telemetry Support: When paired with compatible receivers, it offers real-time data feedback, including flight log and receiver battery voltage.
- Wireless Trainer System Capability: With an optional SRXL2™ DSMX® Remote Receiver, it supports wireless training functionalities.
Specifications
| Feature | Futaba 4PM Plus | Spektrum DXS |
|---|---|---|
| Frequency Band | 2.4 GHz | 2.4 GHz |
| Modulation | T-FHSS SR, T-FHSS, S-FHSS | DSMX® |
| Channels | 4 | 7 (Note: While the DXS is a 7-channel transmitter, it is often paired with 4-channel receivers like the AR410) |
| Model Memory | 40 models | Not specified |
| Telemetry | Yes (with limitations in SR mode) | Yes (with compatible receivers) |
| Power Requirement | 4.5-6.6V (3 AA batteries) | 4 AA batteries |
| Price Range | $249.99 – $339.99 FutabaUSA | Varies depending on retailer and included accessories |
Pros and Cons
Futaba 4PM Plus
Pros:
- Advanced features tailored for surface models.
- Extensive model memory capacity.
- High-speed response suitable for competitive scenarios.
Cons:
- Telemetry functions are disabled in Super Response mode.
- Potentially higher price point.
Spektrum DXS
Pros:
- User-friendly design with essential features for aircraft models.
- Integrated telemetry capabilities.
- Affordable option for beginners and intermediate users.
Cons:
- Limited advanced features compared to higher-end models.
- May require additional accessories for full functionality.
Conclusion
Your choice between the Futaba 4PM Plus and the Spektrum DXS should align with your specific RC model interests. For surface vehicle enthusiasts seeking advanced customization and rapid response, the Futaba 4PM Plus is a compelling option. Conversely, for aircraft hobbyists desiring a straightforward and ergonomic transmitter with essential features, the Spektrum DXS presents a valuable proposition.
