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Spektrum STX3 3-Channel 2.4GHz RC Transmitter SPMRSTX300

Model No: SPMRSTX300


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£59.99

£27.00

£32.99

Inc VAT

In Stock
1 Year Warranty
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Overview

The Spektrum STX3 3-Channel 2.4 GHz FHSS TX Only transmitter is the ideal solution for RC enthusiasts looking for a precision radio system without breaking the bank. This versatile transmitter proves that you don't need to spend a fortune to get quality performance with your RC car UK collection. Whether you're into bashing, crawling, or completing a ready to run RC kit that requires a replacement transmitter, the STX3 delivers the reliability and functionality you need to enjoy your hobby to the fullest.

Designed with bashers and crawlers in mind, the STX3 offers exceptional durability and ease of use that makes it perfect for both experienced RC drivers and those new to the hobby. The transmitter's intuitive controls and comfortable grip ensure that whether you're piloting a high-speed racer or a technical crawler through challenging terrain, you'll maintain precise control throughout your driving sessions. As a Spektrum product, you can rely on the untouchable service and support that has made Spektrum one of the most trusted names in radio control worldwide.

Need to replace your RTR radio system or complete a kit that requires a transmitter? The Spektrum STX3 is the solution you've been looking for. This surface transmitter integrates seamlessly into your RC setup, offering modern 2.4 GHz FHSS technology for reliable, interference-free operation. With Horizon Hobby's backing, you're investing in a radio system built on years of RC expertise and customer satisfaction.

Key Features

  • 3-Channel Control with Multiple Switch Positions — The STX3 provides third channel control with 2, 3 and 4 position settings that allow for proportional control of additional vehicle features such as lights, winches and other accessories, expanding the capability of your RC vehicles beyond basic throttle and steering.
  • Easy to Grip Foam Wheel — The transmitter features a comfortable, easy to grip foam wheel that makes it simple to hold during extended driving sessions, reducing hand fatigue and providing better control precision whether you're bashing at high speeds or crawling over obstacles.
  • Built-in 3-Position Throttle Limiter — A practical feature that allows you to limit maximum throttle output to three different levels, giving you greater control over acceleration and helping to protect your RC vehicle from excessive stress, particularly useful when learning or when driving in confined spaces.
  • 2.4 GHz FHSS Technology — The STX3 operates on the modern 2.4 GHz frequency band with FHSS (Frequency Hopping Spread Spectrum) protocol, ensuring reliable, interference-free operation even in environments with multiple RC drivers and other wireless devices.
  • Rate and Trim Adjustments — Comprehensive steering and throttle rate controls with trim adjustments allow you to fine-tune the transmitter's response to match your driving style and preferences, whilst throttle and steering reversing functions enable quick configuration for different vehicle setups.
  • Ideal for RTR Replacement and Kit Completion — Perfect for replacing existing 2.4 GHz transmitters in ready to run RC cars UK or for completing RC kits that require a separate transmitter purchase, making it an economical upgrade path for enthusiasts.
  • Comfortable Grip and Intuitive Controls — The transmitter's ergonomic design and straightforward control layout make it accessible to users of all experience levels, from newcomers discovering RC cars for the first time to seasoned bashers who appreciate reliable, no-fuss operation.

Technical Performance

The Spektrum STX3 represents a thoughtfully engineered approach to RC transmitter design, prioritising reliability and ease of use in a compact package. Operating on the 2.4 GHz frequency band with FHSS technology, the transmitter delivers interference-free performance that is essential for reliable RC car control, whether you're driving a single vehicle or sharing the track with other RC enthusiasts. The three-channel architecture with proportional control and multiple switch positions (2, 3 and 4 position settings) provides versatility across different vehicle types, accommodating everything from basic two-channel cars to more complex setups with auxiliary functions. The built-in throttle limiter with three preset positions offers practical performance management, allowing you to restrict maximum output for different driving conditions or skill levels. The transmitter's construction emphasises durability and comfort, with a foam grip wheel that withstands regular handling whilst remaining comfortable during extended use. The included steering and throttle rate controls, combined with trim adjustments and reversing functions, enable precise tuning to match your vehicle's setup and your personal driving preferences. Being a surface transmitter specifically designed for RC cars and trucks rather than aircraft, the STX3 is optimised for ground-based applications where directional control and throttle management are paramount. The transmitter operates on four AA batteries, providing convenient power that's readily available and economical to replace.

What's in the Box

  • Spektrum STX3 3-Channel FHSS Transmitter
  • Instruction Manual

What You Need to Complete

  • 4 x AA Batteries

Frequently Asked Questions

  • Can I use the STX3 to replace my existing RTR transmitter? — Yes, the Spektrum STX3 is designed specifically as a replacement transmitter for ready to run RC cars that require a 2.4 GHz FHSS radio system, making it an economical option when upgrading from a standard RTR setup or completing a kit that requires a separate transmitter purchase.
  • What battery does the STX3 transmitter need? — The STX3 operates using four AA batteries, which are not included in the box but are inexpensive and widely available, making it convenient and economical to power your transmitter without requiring special battery packs or chargers.
  • Is the STX3 suitable for beginners? — Absolutely. The STX3 is an excellent choice for beginners thanks to its intuitive controls, comfortable grip, and straightforward three-channel layout. The built-in throttle limiter with three positions is particularly helpful for new drivers, as it allows you to restrict acceleration and learn the basics before progressing to full throttle control.
  • What vehicle types is the STX3 compatible with? — The STX3 is ideal for bashers and crawlers, making it suitable for RC monster trucks, RC buggies, RC rock crawlers, and other ground-based RC vehicles. The three-channel control system with proportional 2, 3 and 4 position settings allows operation of lights, winches and other auxiliary features found on many modern RC cars UK.
  • What is FHSS technology and why does the STX3 use it? — FHSS (Frequency Hopping Spread Spectrum) is a modern radio protocol that continuously changes frequency to avoid interference from other devices. The STX3 uses this technology to ensure reliable, interference-free operation in environments with multiple RC drivers and other wireless devices, providing you with consistent control regardless of electromagnetic interference.
  • Is the STX3 still available or has it been discontinued? — The Spektrum STX3 has been discontinued by the manufacturer, which means it is no longer in regular production. However, existing stock may still be available through authorised retailers, and it remains a capable transmitter for those seeking a budget-friendly option for RC car operation.
  • What makes the STX3 different from more expensive Spektrum transmitters? — The STX3 focuses on essential features and proven reliability whilst eliminating unnecessary complexity and cost. By offering three channels with proportional control rather than more advanced features like screens or telemetry, the STX3 delivers excellent value for bashers and crawlers who want dependable performance without premium pricing.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the STX3 3Ch 2.4 Ghz FHSS TX Only today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.

  • Brand: Spektrum
  • Model Number: SPMRSTX300
  • Radio System Type: Surface Transmitter
  • Frequency: 2.4 GHz
  • Protocol: FHSS (Frequency Hopping Spread Spectrum)
  • Number of Channels: 3
  • Channel Functions: Third channel control with 2, 3 and 4 position settings and proportional control
  • Throttle Control: Proportional with built-in 3-position throttle limiter
  • Steering Control: Rate and trim adjustable with reversing function
  • Throttle Control: Rate and trim adjustable with reversing function
  • Grip Type: Easy to grip foam wheel
  • Control Features: Steering rate, throttle rate, trim adjustments, throttle reversing, steering reversing
  • Power Source: 4 x AA Batteries
  • Intended Use: Surface (RC cars, trucks, crawlers)
  • Vehicle Compatibility: Bashers and crawlers, RTR vehicle replacement radio
  • Included in Box: Spektrum STX3 3-Channel FHSS Transmitter, Instruction Manual
  • Required to Complete: 4 x AA Batteries
  • Status: Discontinued
  • Customer Rating: 4.5 out of 5

We want to make sure your delivery goes smoothly, so here are some important details about our service:

  • For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
  • Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
  • Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
  • If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
  • We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
  • As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
  • If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
  • For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.