SKU: 5380580800
diono radian vs britax

diono radian vs britax Diono Radian 3RXT Safe + Booster Seat

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Description

diono radian vs britax Diono Radian 3RXT Safe + Booster SeatThe Diono Radian 3RXT SafePlus Convertible Car Seat solves the problem of needing a long lasting, all in one car seat that grows with your child. Suitable from birth to booster (4 120 lbs), this car seat offers 4 modes in 1 seatrear facing, forward facing, and high back booster. It provides ultimate protection with SafePlus rear facing engineering up to 50 lbs, and its steel anti rebound bar reduces rebound rotation by up to 50%. Visually, youll

The Diono Radian® 3RXT® SafePlus® Convertible Car Seat solves the problem of needing a long-lasting, all-in-one car seat that grows with your child. Suitable from birth to booster (4-120 lbs), this car seat offers 4 modes in 1 seat—rear-facing, forward-facing, and high-back booster. It provides ultimate protection with SafePlus® rear-facing engineering up to 50 lbs, and its steel anti-rebound bar reduces rebound rotation by up to 50%. Visually, you’ll notice the slim-fit design, which allows for 3-across installation in most vehicles without compromising on space, safety, or comfort. The seat features SafePlus® 6-layer side impact protection and is designed with reinforced automotive-grade high-strength steel for enhanced protection.

The Radian® 3RXT® SafePlus® car seat benefits users by providing both safety and convenience. It features a one-hand easy-adjust 12-position headrest for personalized comfort, along with 6 layers of rigorously tested side impact protection. Additionally, this car seat folds for travel and compact storage, and is FAA approved for airline use. You can visually see its compact and sleek design, which is not only functional but stylish. The design ensures that you don’t have to compromise on space while keeping your child safe and comfortable. For easy maintenance, the covers are machine washable (cold) and should be line dried, while the shell and components can be spot cleaned.

Diono, with over 20 years of expertise, a pioneer in car seat innovation since 1999, introducing industry firsts such as the Radian® All-in-One seat with a full steel core. Based in Seattle, the brand is committed to designing high-quality, rigorously tested products that meet and exceed safety standards. From car seats to strollers, baby carriers, and travel accessories, Diono creates thoughtfully engineered solutions that prioritize child safety, comfort, and ease of use for parents worldwide.

Diono Radian® 3RXT® SafePlus + Booster Seat Features:

  • 4 Modes in 1 Seat: Rear-facing (from 4 lbs), rear-facing longer (up to 50 lbs), forward-facing, and high-back booster modes, suitable for children from birth to 120 lbs.

  • SafePlus® Rear-Facing Engineering: Rear-facing protection up to 50 lbs with 3 modes of newborn protection.

  • Anti-Rebound Bar: Reduces rebound rotation by up to 50% for increased safety during a collision.

  • Slim-Fit Design: Allows for 3-across installation in most vehicles without compromising space, safety, or comfort.

  • SafePlus® 6-Layer Side Impact Protection: Provides enhanced safety in case of a side-impact collision.

  • Reinforced Steel Core: Mechanically engineered from automotive-grade high-strength steel for superior protection.

  • 12-Position Adjustable Headrest: Offers custom comfort as your child grows, with easy one-hand adjustment.

  • Foldable Design: Convenient for travel and compact storage, making it ideal for families on the go.

  • FAA Approved for Airline Use: Approved for use on airplanes, providing a safe travel option for your child.

See the Entire Diono Collection

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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 5380580800

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4.0 ★★★★★
Based on 21 reviews
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Verified Purchase
Amazonian
Natrona Heights, US
★★★★★ 4
Good product, expensive price, poor adhesive
Premium packaging for a premium device. Useful for IR remote signal delivery with extra functions on the side. Price though is luxury for it’s use. Used this for a Logitech Harmony hub control of an non-smart electric fireplace. Setup is a breeze but only if you’re tech savvy. Highly recommend to watch the YouTube video for information on all it’s application. There a many other cheaper devices similar to this available on Amazon that I could have used for the same application. If you have a need for multiple control within the same vicinity of other devices, this may be more useful for you. However, if you plan on utilizing an IR repeater/extender for only a single device and would like to save some money, don’t buy this one. This device works quite well though. Have had no issues achieving the effect needed. Only four stars due to the poor adhesive on the emitter attachment. As stated earlier, I used this on an electric fireplace with a glass surface. I used the attachable emitter to the front glass sensor where the IR receiver was located on the fireplace. After only one day, the emitter attachment fell off even though I made sure the glass was thoroughly cleaned prior to adhering it. Otherwise a good product.
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Reviewed in the United States on November 8, 2019
J
Verified Purchase
James P. Karl
Battle Creek, US
★★★★★ 5
Denon avr ir remote port works great with sewell products
I bought a new entertainment center with glass doors and wasn't getting good signal range with the door closed. Plus i couldnt get a good of line site, since this cabinet was shorter than the orginal, and the location for my avr was further to the left than before and now my line of sight to the receiver was blocked from other parts of the room due to high couch back. I tried a couple different cheap $10 devices that used stick on transmitters/receiver buttons but they were clumsy and didn't provide me a total solution for my room layout. Works fantastic with a denon x1800 receiver (and many other models). It works directly with the denon's ir remote port in the back of the avr port. The solution is actually quite simple. Plug a stereo 3.5 mm male to male plug in the denon ir port in the back of the avr and and the other end to the orange emitter box(puck). The pics are about the size of an oreo double stuff cookie Tuck the orange box/puck away whereever and plug the power in. The box doesn't need to seen or be pointed towards anything. It's location is only limited by the length of your stereo cable and access to AC power Put the blue box puck anywhere in the room where you have general line of sight to it from where you will be using your remote, and plug power in. In my case, its sitting on top of one of my tower speakers. From there it clears the back of the couch and can see from the family room, eat-in kitchen area, and the kitchen beyond. Done. I didn't need or use any of the included emitter or transmitter cables, though if you dont have a denon, or other brand avr with an ir port to plug into , or also want to hide the blue puck ( in which case attach the included sensor cable), you'll need them. But for denon users with an ir port, you just use the two pucks and their usb power adapters. Simple.
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Reviewed in the United States on April 17, 2026
T
Verified Purchase
Tjaltz316
Port Orchard, US
★★★★★ 1
Worked good then died at six months (Updated)
Worked good for a couple of months, then started to develop a lag between when you pressed a button on the remote, and when the TV would respond. If I moved the speaker blocking the TV’s IR receiver, and pointed the remote at it, it worked perfectly. Add the IR blaster back in and the delay returns. The delay kept getting longer and longer, sometimes 5 to 10 seconds. Then it just died. Would not pass any IR signals, even though the receiver and emitter both had power. Tried rebooting, changing communication channels to no avail. Out of Amazon return window. Manufacturer wants you do go through a troubleshooting process for warranty that is too complicated and time consuming. Customer Service Rep at Sewell send me a warranty replacement.
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Reviewed in the United States on May 21, 2025
J
Verified Purchase
Jack & Ann Kenny
Louisville, US
★★★★★ 5
Nice Product and Customer Service
I ordered this BlastIR Wireless Pro IR Repeater from Sewell to replace a wired version of an IR repeater from another company. We have moved our TV on to a wall location and are in the process of hiding all the wiring out of sight behind walls and/or in a cabinet. We still have some wires to go, but this product has enabled us to eliminate the IR wiring all together. It's a real improvement in both looks and performance over the cheaper, wired version we originally tried. The BlasterIR's Receiver is the component that faces the room and receives the IR signal from our remote controls. It's small enough to fit in the space between our sound bar and the bottom of the TV. It's range is great for our room size (about 22' long and 18' wide) and picks up the remotes signal from a side angle that's almost parallel to the TV itself. The receiver is powered through one of the USB ports integrated into the TV (although the device itself supports either a USB or regular plug-in option). I haven't used them yet but Sewell appears to have provided a few options to help with affixing the IR devices in their final positions including some adhesive pads and a magnetic pad option as well. I'm still playing around with the permanent placement of the IR Blaster Emitter. It sits inside a closed cabinet and faces the concealed cable box receiver, router and DVR components. It retransmits the various IR signals it receives from the IR receiver by blasting that signal to anything it faces. I just placed it in the cabinet about 5" away from the devices I wanted to control, plugged it in and it worked with no other set up. So far the BlastIR is working seamlessly and with much better function response time than the cheaper IR version we'd tried at first. The lag time between when a button is pressed on the remote control and the action taking place on the device I'm communicating with is minimal. The emitter itself is plugged into an outlet on a surge protector powering the other in-cabinet devices, although it too could be powered via the provided USB connection if desired. As a note, we did experience a shipping issue during our ordering process. The order it self was processed quickly and shipped in a timely manner. However, there was an issue with our actual receipt of the product and the USPS who reported it delivered to our mailbox when in fact it had not been. Regardless, we reached out to Sewell directly and they quickly resolved the issue for us with no problems and in a timely manner. I would recommend both this IR Blaster Pro product as well as Sewell as a trusted company itself.
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Reviewed in the United States on February 8, 2021
S
Verified Purchase
Scott C
Cuba, US
★★★★★ 3
Does NOT Transmit Through Walls
Quick and easy setup! Works great within the room. However, will not work effectively between walls (i.e. - AV closet to living room).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026

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