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Spektrum Firma Brushless Motor / ESC / Receiver Combo, 4500Kv: NASCAR (Spektrum XSEMC25 | SPMXSEMC25)

Model: Spektrum XSEMC25
Dist. #: SPMXSEMC25   SKU: SPMXSEMC25

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Price:  $124.99

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Updated on May 5, 2025 09:00:43 AM




Spektrum Firma Brushless Motor / ESC / Receiver Combo, 4500Kv Overview


The Spektrum™ Firma™ Smart BL ESC / Motor / RX Combo is a great choice for the 1/12th Scale Losi NASCAR AWD. Feature-packed Spektrum Firma Smart ESCs deliver power and intelligence all-in-one, with no additional modules or links required. The motor features a high-quality 4-pole sintered rotor design, CNC machined aluminum housing, insulated high-purity copper windings, a high-quality alloy steel output shaft, and precision bearings for high durability and smooth rotation. Built around frequency-agile DSMR technology, the SR215 receiver delivers superb range and response, especially in noisy RF environments where a solid 2.4GHz link is crucial. This combo is designed for the 1/12th Scale Losi NASCAR AWD and other platforms to provide the ultimate performance for maximum power and drivability.










Spektrum™ Smart Electronic Speed Controls Video













Spektrum™ Firma™ Smart ESC (SPMX-1111) Features






  • Smart all-in-one telemetry

  • Fast, powerful 32-bit ARM M4 processor

  • Waterproof

  • Multiple options for easy programming:


    • Button programming

    • Smart ESC Programming Box

    • SmartLink USB Updating and Programmer application


  • Multi-point protection:


    • Over-current protection

    • Automatic LiPo low-voltage cutoff

    • Thermal protection

    • Failsafe protection







  • Developed and designed by Spektrum engineers, in partnership with the industry's leading ESC manufacturer

  • Ideal for the 1/12th Scale Losi NASCAR AWD and other platforms

  • High current adjustable BEC (6v @ 2 Amps)

  • Compact for easy installation in most applications

  • Ready to install - no soldering required

  • Rugged composite case

  • Aluminum heat sink for high efficiency

  • Firmware updatable through the Smart ESC Programming Box

  • High heat-resistant IC2 connector








Spektrum™ Firma 4500Kv Brushless Motor (SPMXSM4700) Features






  • High-efficiency design capable to use 2-3S power

  • High-quality 4-pole sintered rotor

  • 4mm gold plated bullet connectors






  • High-quality construction with precision ball bearings and hardened alloy 2.3mm output steel shaft








Spektrum™ SR215 DSMR 2-Channel Sport Receiver (SPMSR215) Features






  • Streamlined design in a compact and lightweight hard-case

  • Bind-button eliminates the need for a bind plug

  • SmartSafe™ Failsafe and Preset "Gas Mode" Failsafe options






  • Outstanding range and 5.5ms capable DSMR technology

  • Ideal for nearly any surface RC model










- Spektrum Firma Brushless Motor / ESC / Receiver Combo, 4500Kv: NASCAR

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