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    This product was added to our catalog on Saturday 05 December, 2015.

    Castle Mamba Monster X 2200KV Combo

    Price:   $449.00 $499.00

Meet the NeXt Monster.

First, there was the Monster. Then the Monster 2. Now there’s the Monster X.

As revolutionary as it’s predecessors, the new Monster X Electronic Speed Controller (ESC) takes Castle’s legendary “monster? performance to a whole new level. The waterproof* Monster X is capable of 2S LiPo up to a maximum of 6S LiPo and is the legendary “power up? for 1/8th scale buggies, truggies and on-road vehicles as well as 1/10th scale monster trucks and R/C monstrosities weighing up to 15 lbs.

EXtreme Power • EXtreme Control • EXtreme Fun! 
The new Monster X provides even more extreme performance than the Monster 2. Most notable is the addition of a new, programmable Auxiliary Wire that allows users to make “on-the-go? adjustments to several settings, such as torque control and max throttle. The new Auxiliary Wire allows users to fine-tune the performance of their Monster X ESC right from the transmitter using an auxiliary channel on the receiver. The AUX wire function is disabled by default but is programmable via Castle Link. Once the user has programmed the functionality of the AUX wire, that setting can then be adjusted on-the-go from a compatible transmitter. The Monster X also features updated Audible Alerts that will notify drivers of possible issues with their calibrations and error conditions to help diagnose problems in the field.

Sensored Motor Capable (with optional Sensor Harness)
The new Monster X can also be configured to run sensored brushless motors with the purchase of an optional Sensor Harness from Castle Creations. This sensored-motor capability opens up a whole new segment of R/C enthusiasts who will now get to experience (or see the rooster tails) from a Castle Monster X-equipped racer, rock racer or rock crawler. One of our Monster X Beta testers summed up his experience, saying “Another race weekend in the books. Once again, in sensored mode, the ESC (Monster X) performed flawlessly. Great power and smooth transition from sensored to non-sensored.?

EXtreme Power 
The new Monster X is capable of running from 2S to a maximum of 6S LiPo power, but now features an improved heavy-duty adjustable Battery Eliminator Circuit (BEC) to provide plenty of power for today’s power hungry servos. The Monster X BEC voltage is adjustable from 5.5V, 6.0V, 7.5V and 8.0V with an 8 AMP peak. The Monster X also comes standard with a highly efficient, 30mm ESC cooling fan.

Monster X Data Logging 
Also new to the Monster X is the ability to capture and record performance data from your last couple of runs, commonly referred to as data logging. This data can be downloaded via the upcoming Castle Quick Connect Duo (sold separately) that allows the user access to both wires into the single Castle Link connection. The user can then analyze this data and make adjustments to the ESC to maximize both performance and battery life.

Telemetry Ready (Compatibility Coming Soon for Futaba T4PX Transmitters!)
The new Monster X is telemetry ready, which means owners of Futaba T4PX Transmitters will be able to purchase the Castle Creations S.BUS Telemetry Link when it is released. Real-time data such as ESC temperature, voltages and RPM can be monitored to ensure performance advantages and spare you the “unknown? parameters that all R/C enthusiasts experience at some point. Telemetry data provides another level of protection, can increase your “tuning awareness? and in turn, let you have more time doing what you love to do – burn rubber and throw dirt!

Throttle Input:

Flexible input - Digital S.BUS Channels (1-16) or an External non-S.BUS Input
Available Data
(Monster X):
  • Battery Voltage
  • Battery Current
  • Motor Power Output
  • RPM
  • BEC Voltage
  • Battery Ripple
  • ESC Temperature
Compatible Transmitters:

Surface Transmitters:

  • Futaba T4PX (coming soon!)
Tech Notes:Link Live mode must be enabled through Castle Link USB adapter to allow communication with the Telemetry Link.

Castle Link Adjustable Settings for the Monster X include:

  • Brake/Reverse Type
  • LiPo Cutoff Voltage
  • Brake Amount
  • Drag Brake
  • Motor Type

Additional Castle Link Benefits include: 

  • Access all firmware updates, included added feature sets released from Castle Engineering FREE of charge.
  • Intuitive Demo Mode
  • Ability to save basic to complex setup profiles for later use

Award Winning Combination 
The new Mamba Monster X is available as an ESC only or in combination one of two different Castle motors; the 1515 2200KV or the 1512 2650KV brushless motor.

*Not intended for operation while submerged in liquid. If unit is operated in wet conditions, rinse with fresh water to remove dirt or corrosives, then fully dry unit.

Mamba Monster X ESC Specs

Part Number:


Input Voltage Range:MIN: 2S LiPo; MAX: 6S LiPo (25.2V)
BEC Specifications:Adjustable: 5.5V, 6.0V, 7.5V. or 8.0V (8A Peak), default 5.5V
Operating Environment:Waterproof* design allows for use in nearly any environment. (See Product Use Statements)*
Reversible:Yes - with lockout
On/Off Switch:Yes
ESC Cooling Fan:Yes, factory equipped (30mm), fully removable and replaceable. (See Product Use Statements)**
Size:5.3cm x 4.9cm
Weight (w/wires):111.1 g
Items Needed for Operation:Battery Connector required, Castle 6.5mm Connectors are recommended.
Product Use Statements:

*Although Mamba Monster X and Castle brushless motors are waterproof, they are not intended for operation while completely submerged in liquid. They can corrode when exposed to corrosive materials, such as salt water. Always rinse the ESC and motor with clean water after exposure to corrosives or dirt. While the motor and controller may be waterproof, we suggest users confirm that the rest of their vehicle, including the batteries, servos, radio and chassis are also waterproof before exposing them to liquids of any kind.

**The cooling fan must be removed prior to driving in wet conditions. It is not waterproof.

Application Guidelines:Intended for up to 6S (25.2 Volt) operation in vehicles weighing less than 15 lbs, with batteries, ready-to-run.
Tech Notes:Not all LiPos are created equal, and surge ratings should never be used to determine a pack’s suitability for a brushless application. Use the CONTINUOUS C rating only. Mamba Monster setups frequently hit 100+ amps in peaks. We strongly suggest using 5,000 mAh or larger LiPo cells with a discharge rating of at least 30C (or high quality 25C batteries such as Traxxas® Power Cells®). Our experience suggests using only mild gear ratios with NiMH cells. Do not attempt to use NiMH cells in extreme setups.

Customer comment:

“I am running a Thunder Tiger MT4 G3 1/8th scale monster truck. It had the stock ready-to-run brushless system on it. It was a Ripper (re-branded Leopard) 2,000 Kv 4 pole motor. It was okay, but had multiple electrical problems. The 4mm “squirrel cage? connectors kept melting, until I put on high quality Castle Creations connectors. The motor itself had the non-flexible type motor leads. I fried the motor and speed controller. Enter the Mamba Monster X promotion in my email inbox. Too good an opportunity to pass up. I ordered it on a Friday 7/24, it arrived on a Monday 7/27. I can finally do this monster truck justice. The Mamba Monster X speed controller dropped right in. The 8A peak BEC, adjustable up to 8V is a really nice feature. To take advantage of this, I installed a Hi-Tech HS-7954SH servo, which is 403 oz-in at 7.4V. The data logging feature is a really nice touch. I confirmed the BEC voltage stayed rock solid at 7.4V throughout my entire first run session, after looking at the graph. It really held the load of the high power servo. The aux channel is really nice feature, too, to control various parameters. That, plus this system is waterproof, is icing on the cake. The Castle 1515 2,200 Kv motor is proven performer. It is, after all, WINNER OF RC CAR ACTION'S READERS' CHOICE AWARD FOR 3 CONSECUTIVE YEARS. The 6.5mm bullet connectors are nice. With this combo on 4S, in my 11 lbs truck, I can pull wheelies at any speed. At one point, I data logged a 5.4 hp run. That is simply phenomenal. Armed with just a picture of that, I am convincing my friends to jump into the RC world. You have a real winner on your hand, Castle Creations!?

– Stephen Englehart (Thunder Tiger MT4 G3 monster truck, 11 pinion, 50 spur)

Customer comment:

“This is the BEST controller Castle has ever put out. It was able to drive my hi torque servo with the built in BEC. Tons of new features for data logging and setting the controller up. This will definitely be my goto controller from now on!?

– Brad Remenak (Axial Yeti XL Kit pinion - 15T, spur - 68T stock setup - will be switching to 17T pinion soon)

Customer comment:

“This ESC has been a blast to learn. The controller will actually communicate with you through audible tones to let you know what exactly is going on. It takes the guess work out. The data logging feature is another one of my favorites. The amount of info this controller can track is crazy and you can customize what info to track depending on what is most important to you. I have always been a fan of Castle products and would highly recommend this controller to all R/C enthusiasts?

– Henry Urbina (Traxxas Summit 62 tooth spur - 18 tooth pinion)

Mamba Monster X ESC with Castle 1515-2200Kv Brushless Motor Specs

Part Number:


Input Voltage Range:2S-6S LIPO (25.2V MAX)
Motor Size:39.98mm X 75.18 mm
Motor Weight:15 oz. (424 g)
Max Vehicle Weight:15lbs. (6.8kg)
Mounting Hole Specifications:3mm @ 25mm
Shaft Diameter:5mm
Max RPM:60,000
Weight (w/o battery connector soldered to ESC): 
Application Guidelines:The ESC and motor are intended for up to 6S (25.2 Volt) operation. Incredible in monster trucks with up to 6S LiPo packs (4S LiPo is the sweet spot), and works great in 1/8th buggies and truggies and on road as well. (vehicle weight limit is 15 lbs or less, with batteries ready-to-run).
Tech Notes:The Castle 1515-2200Kv motor is 75mm long making it capable of handling more power and heavier vehicles than the Castle 1512-2650 motor.
  • 2009 – 1st Place- Motor 
    RC Car Action Readers Choice Awards)
  • 2010 – 1st Place – Motor 
    RC Driver Voice Your Choice Awards)
  • 2013– 1st Place- Motor
    (RC Car Action Readers Choice Awards)
  • 2014 - 1st Place- Motor
    (RC Car Action Readers Choice Awards)
  • 2015 – 1st Place – Motor
    (RC Car Action Readers Choice Awards)
This is a high power product with the potential to be very dangerous. Please read the safety information before use. This product may contain chemicals known to the State of California to cause cancer and or birth defects or other reproductive harm.
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