Radio systems and receivers: choosing a reliable control link
Channels, receiver protocols, telemetry, range, redundancy and what to check before matching a transmitter to a model.
Firma 40A Brushed Smart 2-in-1 ESC and Receiver
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Why choose Firma 40A Brushed Smart 2-in-1 ESC and Receiver through RC-MODEL?
Firma 40A Brushed Smart 2-in-1 ESC and Receiver is an RC product from Spektrum. This page focuses on what an end customer needs: fit, use cases, specifications and imagery, without prices or outbound supplier detours.
Fit and use
Firma 40A Brushed Smart 2-in-1 ESC and Receiver fits customers looking for Spektrum items in Spektrum Catalog, Spektrum ESCs, Spektrum Surface Electronics, with RC-MODEL support for choosing the right configuration.
- Relevant category: Spektrum Catalog, Spektrum ESCs, Spektrum Surface Electronics
- Product identification for inquiry: model SPMXSE1040RX / SKU SPMXSE1040RX
Key details
- Input Voltage: 6-10.8V (2-3S LiPo, 5-9 cell NiMH)
- Spektrum Category: Cars & Trucks / Parts, Electronics & Accessories / Electronic Speed Controls
- BEC Voltage: 6V
- Motor Output Lead: 3.5mm
- Product Height: 0.81 in (20.5mm)
- Product Length: 2.1 in (54mm)
Before ordering
- Confirm dimensions, power system, radio compatibility or material size before purchase.
- Ask us to match required accessories, adhesives, hardware, batteries or replacement parts.
- RC-MODEL helps with fit checks, availability, compatible accessories and a formal quote in Israel.
Firma 40A Brushed Smart 2-in-1 ESC and Receiver is a Spektrum product intended for surface RC vehicles, crawlers, bashers and race setups that need dependable Spektrum control electronics. This page presents the practical buying information a customer needs before ordering: fit, SKU, image, category, specifications and usage advantages.
The content is written for purchasing through RC-MODEL, without supplier prices or links to competing stores.
Key Advantages
- Organized under the Spektrum receiver and radio-link range.
- Intended for surface RC vehicles, crawlers, bashers and race setups that need dependable Spektrum control electronics.
- Check compatibility with DSMR, Spektrum Smart equipment and the exact model requirements before ordering.
- Includes local product imagery and structured specifications for easier comparison inside RC-MODEL.
- Spektrum Smart compatibility is highlighted where relevant for batteries, chargers, ESCs or telemetry-aware systems.
- Protocol information is surfaced so customers can match the product to their Spektrum radio system.
Core Specifications
- Manufacturer: Spektrum
- Brand: Spektrum
- Product Code: SPMXSE1040RX
- Product Family: Spektrum receiver and radio-link range
- Application: Surface
- Compatibility Focus: Check compatibility with DSMR, Spektrum Smart equipment and the exact model requirements before ordering.
- Spektrum Category: Cars & Trucks / Parts, Electronics & Accessories / Electronic Speed Controls
- Channels: 4
- Input Voltage: 6-10.8V (2-3S LiPo, 5-9 cell NiMH)
- Amperage: 16A - 44A
- Antenna Length: 1.2 in (31mm)
- Auto Cutoff: Yes
- Battery Input Lead: IC3
- BEC: Yes
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| Technical Specifications | |
| Manufacturer | Spektrum |
| Brand | Spektrum |
| Product Code | SPMXSE1040RX |
| Spektrum Category | Cars & Trucks / Parts, Electronics & Accessories / Electronic Speed Controls |
| Connector Type | IC3 |
| Product Family | Spektrum receiver and radio-link range |
| Application | Surface |
| Compatibility Focus | Check compatibility with DSMR, Spektrum Smart equipment and the exact model requirements before ordering. |
| Auto Cutoff | Yes |
| BEC | Yes |
| BEC Type | Programmable using optional programmer box (not included) |
| BEC Voltage | 6V |
| Brakes | Yes |
| Forward | Yes |
| Input Voltage | 6-10.8V (2-3S LiPo, 5-9 cell NiMH) |
| Maximum Continuous Current | 40A |
| Motor Output Lead | 3.5mm |
| Product Height | 0.81 in (20.5mm) |
| Product Length | 2.1 in (54mm) |
| Product Weight | 2.4oz (68g) |
| Product Width | 1.3 in (33.5mm) |
| Programmable | Yes |
| Reverse | Yes |
| Technology | Smart |
| Amperage | 16A - 44A |
| BEC Continuous Current | 3 |
| Low-Voltage Cutoff Programmable | Yes |
| Overload Protection | Yes |
| Product Application | Crawling, Surface |
| ESC Type | Brushed |
| Type | DSMR ESC/Receiver |
| Antenna Length | 1.2 in (31mm) |
| Channels | 4 |
| Maximum Burst Current | 180A |
| Max Input Voltage | 11.1V |
| Battery Input Lead | IC3 |
| Programming Options | Programming Box |
Tags: Spektrum, SPMXSE1040RX, Spektrum receiver and radio-link range, Spektrum Catalog, Spektrum Smart Technology, Spektrum ESCs, Spektrum Surface Electronics, RC-MODEL