Horus X12S

4.55 7

The Horus (X12S) is FrSky's flagship transmitter and the crowning jewel is its 4.3 inch, TFT color display and other top end parts. This radio is made to impress!

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  • Horus X12S

     You can have peace of mind when you purchase your Horus from Aloft. We have you covered with our exclusive 12 month, parts and labor warranty.

    The Horus is FrSky's flagship transmitter and the X12S' crowning jewel is its 4.3 inch, TFT color display. The 480 x 272 transflective display produces sharp, colorful images and can be viewed in direct sunlight (no kidding). The display in concert with a rotary encoder and 6 well placed, tactile pushbuttons allow swift navigation and adjustment of the various menus and their contents. If you have previously been a Taranis user you will truly appreciate the speed and ease of programming the Horus.

    Ergonomically the new design has a very nice, weighty feel. Its greater width and heft inspires an immediate sensation of quality and in my opinion is very comfortable to hold in the hand. 

    The gimbals are no doubt FrSky's best yet. They are CNC milled aluminum with 6 ball bearings and magnet / hall effect sensors (no more potentiometers). Steel cross bars pivoting on ball bearings and sporting a teflon contact surface give the gimbals a very positive feel around center and a silky smooth transition out to the edge.

    The Switches and pots are also high quality units. The switches have a satisfying movement and click, while the pots and sliders are buttery smooth, enhancing the overall feel.  

    The most important aspect for any transmitter is maintaining a rock solid connection with the receiver. FrSky is well known for its frequency hopping ACCST technology taking advantage of the entire 2.4GHz band resulting in excellent range and reliability. 

    Are you heavily invested in another RF system? No worries, the Horus has a JR style receptacle in its back that accepts modules for other transmitting protocols. In the model setup you tell the system that you are using an external module, and it shuts down the internal FrSky module. Now you can use your Futaba, Spektrum, JR, Aisin, and other receivers if you have a transmitter module that fits in a JR style module bay.

    If you are heavily invested in the FrSky system you will be pleased to know that the Horus is compatible with most of FrSky's Telemetry and non-Telemetry components, receivers as well as sensors.

    Last but not least, the most unique feature of the Horus, is it's ability to run two different operating systems. The Horus comes loaded with FrSky's  FrTX OS.  An intuitive, easy to program, menu driven operating system.  Advanced users will probably want to install OpenTX. The developers at Open TX have created a visually stunning and feature rich operating system for the Horus. The OpenTX firmware can be found here.  Both operating systems are being continually developed and will contribute additional features and capabilities to the Horus as time goes on. 


    • 16 channels (32 channels when combined with an external XJT module)
    • CNC Aluminum - 6 ball bearing, gimbals equipped with hall effect sensors 
    • High Resolution TFT, Transflective Screen, visible in direct sunlight
    • Antenna malfunction detection and SWR telemetry
    • Audible Speech Alerts (values, alarms, settings, etc.)
    • Safety power switch cover with integrated strap attachment point
    • Two types of trainer ports
    • 6 position encoder 
    • MP3 Player
    • FrSky FrTX OS
    • Option to install OpenTX OS
    • Stereo Speakers
    • Protected Internal Antenna
    • Internal GPS
    • JR Style Module Bay
    • 16MB on Board Flash Memory
    • Full Telemetry · RSSI indication and alarms 
    • USB and SD card slot for system expansion 
    • Data Logging 
    * The optional SD card (used to store MP3 files) is not supplied with the Horus, you will need to purchase it separately.
  • Customer Reviews

    1 year later and still in love with the Horus X12

    1 year later. I am very impressed with my overall exprience. The cost savings are amazing. My new planes are all rolling out with telemetry (VoltageX2 and GPS) without breaking the bank. Being able to customize things has proven to be the game changer for me. I love the position of the screen. The only negative if there was one is the battery life. It just means that I have to charge every weekend. I will upgrade the battery soon. Review by Itgordon00 • (Posted on 12/11/2017)

    Horus 12S

    The Horus 12S radio is a beautiful and great radio, but it won't work well for me, because of his sizes, weight and some other details. I'll rather to use a lighter radio that will feel more comfortable in my hands for the kind of flying I do. I has been a customer of Alofthobbies for more than 3 years with no problems at all. Excellent customer service. Five stars for you guys. Review by El Quickero • (Posted on 9/29/2017)

    as with all FrSky radios.. excellent.. but support from FrSky is not there..

    It is a great radio and love it.. on the open tx software it is even better .. unlimited in what it can do.. I still have my first x9d radio as a backup and second if I ever need it.. It got a 4 star rating because about a month after I purchased it , the charging board failed and an email to FrSky for a replacement got me no where.. and then shortly after that the rotary encoder broke in half.. a little ABS yellow cement fixed the rotary button and I mod-ed the radio to take a 3s lipo which worked very well with the display.. Review by jeff • (Posted on 9/10/2017)

    The Horus X12S has really exceeded my expectations

    I made the move from being a long term Futaba user to FrSky a few years ago with a Taranis X9DP and X receivers, knowing that FrSky had the Horus in the works. I liked the X9DP features and really liked the FrSky telemetry ecosystem, but I also wanted the highest quality transmitter FrSky could possibly create.

    Fit and Finish

    The case is well designed with metal front panels and solid CNC machined aluminum rings around the gimbals. The switch cover and neck strap attachment point is CNC machined aluminum. The fine details are excellent and everything fits together well.


    The system has an excellent feel in your hands and has a high quality weighty feel. The gimbals are well positioned and your fingers naturally wrap around the rubber grips on the sides and back. Having the brilliant color display at the top of the system is excellent. The back sliders are positioned well for easy access. I fly with the quality FrSky neck strap provided and like the way it works with the integrated switch cover.


    The six ball bearing, metal CNC machined, Hall Effect gimbals are a brilliant design and are excellent. I like that the Hall Effect magnets are directly attached to the X and Y pivot points of the gimbal so that the stick is directly moving the magnets at the pivot points. The gimbals have a very smooth precise feel.

    Firmware - FrTX

    The FrSky developed FrTX OS meets or exceeds the needs of most users and even includes advanced features of multi-line logic statements, telemetry as inputs and powerful special functions. It is very easy to use. The 3-axis gyro and 3-axis accelerator is a clever feature and the GPS function being unique to the Horus. The system is delivered with production firmware, but FrSky has an ongoing FrTX development program so there will be updates in the future with new features. I’m looking forward to flight modes for the aircraft template and lua scripts support. I really like that the firmware will have continued updates with new features.

    Firmware – OpenTX

    Not only can the Horus run FrTX, it can also run OpenTX and that is really unique to the Horus. The developers took advantage of the large color screen and navigation controls to improve the programming experience, but it is still the familiar OpenTX. The Horus OpenTX 2.2.0 production release was on May 30, 2017. As with FrTX, OpenTX is an ongoing development process that will keep my Horus relevant and up to date for the foreseeable future.

    Power and Charger

    I like that the system is equipped with LSD NiMh batteries with a built in charger. I find the NiMh batteries an ideal solution that just requires the supplied power supply to be plugged in and it charges automatically.


    Being a former Futaba user there isn’t any Futaba system to compare the Horus to, so from the design and feature set I think the best comparison would be the yet to be released Jeti Duplex DS-24. The Horus X12S has really exceeded my expectations and I’m looking forward to years of use and ongoing firmware updates that will keep the system up to date.
    Review by Horus Fan • (Posted on 6/6/2017)

    Not quite ready for prime time (4/17), but will be outstanding once the issues are dealt with.

    As of 4/17, the Horus still isn't ready for prime time.

    The FrSky firmware is buggy and has a lot of problems, but most can be worked around.
    The User Input Encoder is cheap, touchy and reverses at random. It's knob poorly designed and lacks a proper rotation projection, causing it to either jump into the menu (as a result of applying pressure to turn it) or you accidentally depress a perimeter menu button, losing your place. My 2 month old knob just cracked thru the center, rendering it useless. I can't find replacements listed anywhere. The encoder shaft is a split "D" type which uses friction fit knob retention, causing it to frequently fall off. Recently it fell off well flying and fell into the grass at the field. This required a lengthy search to locate the 1/2" black plastic disc, without which, the X12D is virtually useless.

    I like the encoder concept, it's far superior to the Taranis button setup - which has failed on me several times and is inconvenient at best, but FrSky should have used a high/industrial quality encoder (it's an Arduino style sub 1 dollar cheapie), a larger aluminum or diecast zinc knob, and more clearance to the surrounding menu selection buttons. A raised 7/8" (22mm) diameter metal encoder wheel, possibly with a separate 'Enter' switch would have been a winning execution of this feature. It seems clear FrSky didn't listen to the beta users, as this is an obvious problem for almost anyone who spends even a few minutes with it.

    Some of the features are a great step forward, but the current X12D suffers from marginally adequate execution of some very good ideas.

    I'm going to try Open TX and see how that works on the X12D, as it looks like FrSky firmware revisions are going to be very infrequent (based on the history so far) additionally, for the price point I expect metal knobs, an included SD Card, and a full cable set. Minor points, but they are expected as a matter of course in the mid to high end ($500+) transmitter class.
    Once it's been worked out, it will be a great transmitter, and a solid "5".

    I fear FrSky has not progressed very much in the support/customer service dept, and as was the case with the early Taranis (which I also purchased during early release - something I know is risky) it will be users and the opensource community that make the Horus a great product (if that happens). I would think FrSky would have learned many lessons about support and getting the details right with the Taranis project, but it seems they have not, and simply assume great dealers like Aloft will be there to clean up the mess. Even a 1st class dealer can only do so much without factory attention to detail. If FrSky learns to provide decent quality and customer/dealer support (both cheap items that would pay massive dividends), FrSky could easily become the premier RC gear manufacturer.
    If they continue to follow the horrible business practices typical of Chinese manufacturers, eventually another company will come along with a compatible product line AND provide actual customer service. That fictious (for now) company will easily take control of the low to mid priced RC gear market.

    I bought my X12D from Aloft (as I do all my FrSky gear) because they back everything they sell, even if the manufacturer doesn't. That kind of customer service is rare in this day, and even more so with most Chinese made products.

    I hate to call Aloft complaining that BOTH my Taranis and Horus are unflyable because of the same problem (2 days ago the “-” button on my early Taranis broke for the 3rd time, and the broken encoder on my Horus effectively 'bricks' it as well)

    Finally it's flyable in Central NY and I find myself with $800 worth of transmitters and consequently my entire fleet grounded by 2 tiny plastic switch knobs...

    I'm not impressed.

    (Aloft Note: We don't have them listed, but be have new knobs for the Horus, just send us an email if you need one.) Review by Scott Marshall • (Posted on 5/4/2017)

    Six months after purchase Horus firmware/software has progressed but still needs more work to use all the capabilities of the Horus

    Production hardware design was initially ahead of firmware/software maturity. Many improvements have been made both in FRTX and OTX . I have flown winged models with both sets of firmware/software. I have always preferred OTX and with the latest changes 2.2(362) being able to edit models has made it my choice for the Horus and Taranis Review by Glider73 • (Posted on 2/14/2017)


    Coming from a DX 9, all I can say is I'm not going back.
    I fly micro quads FPV and all size heli's through 800 size with it. Review by Rich Knapp • (Posted on 1/17/2017)

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