ASC27045
Blackbox 300R Competition Micro Brushless ESC
Blackbox 300R Competition Micro Brushless ESC
Micro Size with Huge Features!
The Reedy Blackbox 300R Competition Micro Brushless ESC brings championship-winning performance to the growing micro racing scene. Backed by decades of racing heritage and multiple IFMAR World Championship titles, this ESC is engineered for serious racers who demand precision and control. Designed specifically for compact 1:28 and 1:24 platforms, it delivers smooth throttle response, strong braking performance, and extensive tuning options. Whether you're racing at the club level or chasing podium finishes, the 300R is built to perform.
About the Blackbox 300R ESC
Race-Tuned Performance With Full Adjustability
The Blackbox 300R features race-developed default settings for excellent performance right out of the box, while still offering deep adjustability using the included program card. Racers can fine-tune brake strength, throttle feel, boost and turbo timing, BEC voltage, and safety parameters to match specific track layouts and class rules. The CNC-machined aluminum case improves cooling efficiency for consistent power delivery and reliability. Combined with its compact footprint and flexible silicone wires, the 300R is ideal for tight micro chassis installations.
Features:
- CNC Machined Black Aluminum Case
- Compact Lightweight Micro Footprint
- Fully Adjustable Brake And Throttle Settings
- Adjustable Boost And Turbo Timing
- Precision Linear Throttle Response
- On-Board Power Button
- Flexible Silicone Power Wires
- Adjustable BEC Output Voltage
- Programmable Low Voltage Cutoff
- Overheat Protection Adjustability
Includes:
- (1) Blackbox 300R Competition Micro Brushless ESC
Specifications:
| Suggested Application | 1/24-1/28 |
|---|---|
| Motor Type | Brushless |
| Input Voltage | 2S LiPo (7.4V) |
| Continuous Current | 30A |
| Burst Current | 80A |
| Dimensions (LxWxH) | 0.82x0.54x0.43in (21x13.8x11mm) |
| Weight | 0.26oz (7.6g) |
| Motor Limits | 6800kV |
| BEC Voltage | 6.0/7.4V (Adjustable) |
| BEC Continuous Current | - |
| BEC Peak Current | 3A |
| Motor Connector | - |
| Battery Connector | - |
| Motor Wire | - |
| Battery Wire | - |
| Programmable | Yes |
Pairs well with
Easy to use for beginners
Durable build for long-lasting fun
Quick recharge and extended range for all-day play
Perfect for pools, lakes, and calm rivers
Blackbox 300R Competition Micro Brushless ESC
Product details
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Engineered for Speed. Built for Control.
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Got Questions? We've Got Answers
What types of RC vehicles do you sell?
We offer a wide range of RC vehicles including airplanes, drones, helicopters, cars, trucks, boats, and a full selection of parts and upgrades for each.
Are your products ready to run (RTR) or require assembly?
Most of our models are RTR (Ready to Run) or RTF (Ready to Fly), meaning they include everything you need out of the box. Some kits may require minimal assembly—check the product description for details.
Do you offer replacement parts?
Yes! We stock replacement parts for most models we sell. If you’re not sure which part you need, contact our support team and we’ll help you find the right match.
How long does shipping take?
Orders typically ship within 1–2 business days. Delivery time depends on your location, but most customers in the U.S. receive their orders within 3–7 business days.
Do you ship internationally?
At the moment, we primarily ship within the U.S., but international shipping is available on select items. Please contact us for a custom quote.
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