SKU: 77408511584
britax car seat measurements

britax car seat measurements Britax

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Description

britax car seat measurements BritaxBritax Poplar Convertible Car Seat: Ready for Now and the Future Say goodbye to car seat worries! The Britax Poplar Convertible Car Seat grows with your child while offering unmatched safety, convenience, and comfort. Featuring the patented ClickTight Installation and a slim SpaceSaver design, this seat makes transitioning to the next stage seamless for parents and safe for kids. Designed to accommodate children from 565 lbs, it supports rear facing

Britax Poplar Convertible Car Seat: Ready for Now and the Future

Say goodbye to car seat worries! The Britax Poplar Convertible Car Seat grows with your child while offering unmatched safety, convenience, and comfort. Featuring the patented ClickTight® Installation and a slim SpaceSaver™ design, this seat makes transitioning to the next stage seamless for parents and safe for kids.

Designed to accommodate children from 5–65 lbs, it supports rear-facing up to 50 lbs to keep your little one safer for longer, and transitions to forward-facing with ease. The slim, 17" profile allows for *3-across installations in most vehicles while offering spacious comfort for your child.

Key Benefits

ClickTight Installation

Installing the seat is effortless with three easy steps: open, thread and buckle the seatbelt, and click it closed. The fully open belt paths and automatic tensioner ensure a perfect fit every time.

SpaceSaver Design

Slim outside, spacious inside. The 17" seat width is designed to fit comfortably without compromising on the safety and premium comfort you expect from Britax.

Extended Rear-Facing Capability

Safely accommodates children up to 50 lbs and 49" tall for prolonged rear-facing use, offering added peace of mind for parents.

Why You'll Love It

  • 14-Position, Quick-Adjust Headrest & Harness: Easily adjust as your child grows for a proper, snug fit.
  • Patented V-Shaped Tether: Helps reduce forward movement in a crash with staged-release stitches for added safety.
  • Dishwasher-Safe Cup Holders: Conveniently removable for quick cleaning.
  • 6-Position Recline: Find the perfect angle for comfort and vehicle compatibility.
  • SafeCell Technology: Absorbs and manages crash energy for added protection.
  • 5-Point Safety Harness: Ensures even distribution of crash forces to keep your child secure.
  • Naturally Flame-Retardant Fabrics: Free of added FR chemicals and safe for machine washing and drying.
  • Carbon Steel Frame: Reinforces the seat for exceptional stability and durability.

Specifications

  • Dimensions: 20.5" x 17" x 23.5"
  • Child Weight: Rear-facing 5–50 lbs; forward-facing 22–65 lbs
  • Child Height: Less than 49"
  • Harness Slot Heights: 14 positions from 8" to 17"
  • Buckle Strap Depths: 4"–7"
  • Seat Area Depth/Width: 11"/12"
  • Shoulder Width: 14"

Safety Recommendations

Britax strongly recommends:

  1. Rear-Facing: Keep children rear-facing to the maximum weight or height allowed.
  2. 5-Point Harness: Use the 5-point harness until your child reaches its maximum capacity.
  3. Top Tether Usage: Always secure the top tether when the seat is installed forward-facing.

Why Choose Britax?

Britax has a legacy of safety and innovation, and the Poplar Convertible Car Seat embodies these values. With its advanced features, durable construction, and commitment to your child’s safety, this car seat is the perfect choice for your growing family.

*Fitment of 3-across installations may vary depending on the vehicle.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77408511584

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4.8 ★★★★★
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A
Verified Purchase
Andre Glover
Boise, US
★★★★★ 5
Love it
Size: Pair
These are nice for any audiophile. They look and sound amazing.
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Reviewed in the United States on May 14, 2026
L
Verified Purchase
Lee W. Sellman
Lowell, US
★★★★★ 5
Great Sound
Size: Pair
Great things sometimes come in little packages. Powerhouse sound with virtually no input at all. Tight, crisp, and well-made as usual from Klipsch. If you are looking for a powerhouse monitor these are what you want.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
Y
Verified Purchase
YALE70
Los Angeles, US
★★★★★ 4
Great starter speakers - for the right price.
Size: Pair
A good all-around pair of starter speakers if you're planning on using them as standalones. These will have zero trouble filling a small to medium sized space with rich and detailed sound at low to mid volumes. The bass is adequate for their size. They're not going to knock your socks off on more thumpy genres. I would imagine pairing them with a subwoofer would make quite the difference but for rock and some synth pop, they're pretty sweet. Plus the copper woofers look very striking without the faceplates. That said, I say these are best suited at low to mid volumes because cranked, the higher frequencies can be awfully fatiguing coming out of these speakers. I would not pay anywhere close to the $349 MSRP for these (you can probably find a pair of far superior RP-600Ms for around that price nowadays). Around $150 seems like a sweet spot for the R-51Ms, but the Sony SSCS5s and Fluance Signature bookshelfs are very comparable, if not better sounding for around the same price. Still, these will probably more than satisfactory if you're not expecting to be blown away by them. UPDATE 5/20/25: Can confirm that the subwoofer made a big difference. I was going to retire these since I replaced them with some bigger floor speakers on my main setup but I decided to try them out in place of the factory speakers on the Klipsch ProMedia 2.1 I have hooked up to my computer. Not only does the onboard amp seem to drive them okay at not-insane levels of volume - they sound really sweet paired with the 6.5-inch subwoofer. While I won't change my rating, I do highly recommend getting a sub along with these speakers.
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Reviewed in the United States on April 11, 2025
R
Verified Purchase
Ramona O.
Phoenix, US
★★★★★ 5
Great speakers, rich full sound
Size: Pair
These are really great speakers. I got them to go with my husband's new record player for Christmas. These really sound fantastic. A rich range, with a nice bass that's not too much. They were easy to connect to the player. I like a rich sound better then bright (I think if it's too bright it doesn't have enough bass), and these definitely fit the bill. I got these on a black Friday deal which was even better. They are a good value for the quality.
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Reviewed in the United States on January 9, 2026
Q
Verified Purchase
Q W Lott
Charlottesville, US
★★★★★ 5
The new amp/speaker configuration made a very noticeably positive difference.
Size: Pair, Size: Pair
I bought a Denton amp / Klipsch 7 speaker bundle for Christmas last year. It sounded impressive. For this year, I recently replace the Denon AVR-S970H, a 5.2.2 POS-Amp that quit after less than a year. Then I also added a 70” TV and a set of R-51M’s on the sides. I could never hear this amp driving the Dolby Atmos speakers on top of the R-625FA towers, so I decided that back speakers would be more beneficial to this 7-channel system. I’d been using the R-41M’s that came in the bundle as side surround speakers, but I was thinking that they would be more suited for use in back. So I replaced them with a new set of R-51M’s that I thought would be better surround sides because of their fuller stronger sound. As of now, at the front of this theater system is an Onkyo TX-RZ 820 AVR amp, a 70 inch LED 4K smart TV, a set of Klipsch R-625FA towers, an R-52C Center Channel Speaker, and two R-12SW Subwoofers. For the surround sides is the newly purchased set of R-51M’s on stands, and mounted on the back-wall is the set of R-41M’s, using BS-218pro Wall Mounts. For good reason, this is a very powerful amp driving a complete set of purely Klipsch speakers. I built this THX 7.2.0 surround sound system to go in my wife’s 11’ X 12’ privacy room, specifically because she is hard of hearing. She said, that with the new additions, the sound is much cleaner, stronger, the 3D surround effect is more noticeable, and the vocals are easier for her to understand. I get to use it sometimes when she’s not at home. Thunder in movies sounds as crisp sharp and loud as real thunder. All around, the system is very realistic sounding. And it can play music, shaking the house at live levels. At present, my wife and I are extremely happy with this system. It sounds as good as it looks. The Klipsch speakers & Onkyo amp configuration makes a very noticeably positive difference.
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Reviewed in the United States on January 5, 2026

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