for children 5-110 lbs. / Birth to 8 years

Platinum Symphony DLX All-in-One Car Seat (Ashland Gray)



Ashland Gray


The Platinum Symphony DLX provides a host of delightful details like buckle pockets to help protect against hot buckle burns, resilient temperature-regulating fabric for ultimate comfort, and our patented lower anchor system called SureLATCH® that automatically tightens to secure the car seat in the proper position.

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Trusted by Millions of Families for Nearly a Century

Made in USA with US & Global Components

Peace of Mind:

Expiration: 8 years

Warranty: 90 days

Returns: 30 days


Installation Manuals: Browse »

FREE Video Support: Book Now »

Why You’ll Love it

Comfort, safety, and extended use, together in perfect harmony...

Rated a #1 Car Seat by a leading consumer magazine, the Symphony is an opus of car seat innovation. Evenflo pioneered the all-in-one car seat, which unlike typical convertibles, accommodates children from birth up to 110 lbs. Symphony car seats can be used rear-facing, forward-facing and as a belt-positioning booster, covering a wide spectrum of seating options. The Symphony embodies our passion to provide families with safer, more peaceful rides and are proudly made in the United States of America.

Product Details

Child Specs (5-110lbs)


  • Weight: 5 - 40 lbs. (2.3 - 18 kg.)
  • Height: 19 - 40 in. (48 - 102 cm.)
  • Fit: Top of child’s head is at least 1 in. (25 mm) below the top of the child restraint seat back.


  • Weight: 22 - 65 lbs. (10 - 29.4 kg.)
  • Height: 28 - 50 in. (71 - 127 cm.)
  • Age: At least one year of age
  • Fit: The tops of child's ears are below the top of the child restraint headrest.


  • Weight: 40 - 110 lbs. (18 - 49.8 kg.)
  • Height: 44 - 57 in. (112 - 145 cm.)
  • Age: At least four years of age
  • Fit: The tops of their ears are below the top of the child restraint.

Product & Shipping Specs

  • Dimensions: 19.5" High x 21.5" Wide x 28" Long
  • Product Weight: Approximately 21 lbs. (9.53 kg)
  • Package Width: 20.875
  • Package Weight: 25
  • Package Depth: 20.875
  • Package Height: 27.625


Safety Testing

At Evenflo, we continue to go above and beyond government standards to provide car seats that are tested at 2X the Federal Crash Test Standard.

  • Side Impact Tested: Meets or exceeds all applicable federal safety standards and Evenflo’s side impact standards.
  • Designed and tested for structural integrity at energy levels approximately 2X the federal crash test standard.
  • FMVSS 213: Federal Motor Vehicle Safety Standards for Child Restraint Systems
  • FMVSS 302: Federal Motor Vehicle Safety Standards for Flammability of Interior Materials
  • CMVSS 302: Canada Motor Vehicle Safety Standard
  • CMVSS 213: Canada Motor Vehicle Safety Standard
  • Certified For Use In Aircraft: When used with the internal 5-point harness this restraint meets FAA Inversion requirements for airplane use.
  • Evenflo Temperature Testing: All current Evenflo car seats are tested for product integrity at both high and low temperatures.

Use & Care

Use & Care

Read all instructions and warnings on the product, product labels, and instruction manuals before use. Consult your vehicle owner’s manual to determine proper placement of child restraint in your vehicle and familiarize yourself with your vehicle’s components.

Browse Instruction Manuals »

Cleaning Instructions
  • DO NOT lubricate or immerse in water any part of this child restraint, unless rinsing is permitted
  • Plastic and metal parts may be wiped clean with mild soap and water and dried with a soft cloth. Do not use abrasive cleaners or solvents.
  • Take care not to damage any labels.
  • The harness can be wiped clean with mild soap and water. Allow harness to air dry.
  • Machine wash the seat pad separately in cold water, delicate cycle. Tumble dry 10 to 15 minutes on low heat.
  • Periodically inspect and clean the restraint's crotch buckle of food, liquids, and other debris to ensure proper latching. Place the buckle in a cup of warm water and gently agitate the buckle back and forth. Press the red button several times while the buckle is in the water. Do not submerge the harness strap. To avoid damage to the buckle, do not clean the buckle with soap or detergents and do not use a lubricant.



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Platinum Symphony DLX All-in-One Car Seat (Ashland Gray) is rated 4.5 out of 5 by 250.
Rated 5 out of 5 by from SAFETY at its finest!! We have purchased 3 of these seats. 1 for each vehicle and recently one to replace ours that was in an accident. My son is 2.5 and was driving with my mom when they were t-boned on his side of the car. My mom ended up with bad whiplash and brushing and my son didn't end up with even a scratch!! The car seat kept him safe. He medics and firefighters praised the good installation and safety of the seat itself. It's super easy to install from vehicle to vehicle. We wouldnt consider any other brand after being through this ordeal because the safety of my children is the most important thing and we feel safe every time they're buckled in!!
Date published: 2015-05-01
Rated 5 out of 5 by from Overall the best! Our family has been purchasing car seats for over 13 years now, for 4 children. And this one by far has been the best! It was the easiest to install and seems to offer the utmost in comfort for our 2 year old daughter. Now that the weather is warm, and we have a van with leather seats, I take solace in knowing that the car seat's unique fabric is keeping my child from over heating. I've always prided myself in selecting the safest car seat product for my children and this one takes the cake! My mind is at ease when I drive, no concerns on safety for our youngest in her new car seat. My favorite feature is the easy slide harness. NEVER have we had a car seat with that brilliant feature!.
Date published: 2014-04-18
Rated 5 out of 5 by from The Only Car Seat You Need! I received this car seat for free in order to facilitate this review but all opinions are my own. I wish that this car seat would have been around when my son was born! The removable infant inserts are great -- start your infant out as rear-facing, then turn them around to forward-facing harness, and, finally to a booster. I love that it grows with your child. My almost-three-year-old can sit upright in this seat with a full view out the window. The Quick Connector Latch and Guides are amazing. It makes it so easy to move the car seat from one car to another -- no more wrestling trying to get it hooked in. And so easy to remove.
Date published: 2014-09-24
Rated 5 out of 5 by from Amazing seat! We are seriously blown away by this seat. In fact, if I could strap myself into it, I would!! The first thing my 20 month old did when we put her in it is rub the seat and go, "Ooooo! Cozy, cozy!!" She wasn't kidding... she was asleep in the backseat in 10 minutes flat.The material is so soft and easy to clean, not to mention it's cushy, the buckles and straps are easy as pie and it was a snap to install - which is important, as I am 29 weeks pregnant and not a lot is easy for me to do these days. :) We got the green and black one and it's so sleek and nice to look at. Keep up the great work, Evenflo!!
Date published: 2014-06-20
Rated 5 out of 5 by from The only car seat you'll ever need. We love it! We love this car seat so much! We received it free to review, but my opinion is strictly my own. My favorite thing about the seat is the practicality and frugality - 1 seat for all ages saves money and hassle. I also love the buckle pockets because I was forever digging for the buckles on our old convertible car seat. We live in Texas where it gets HOT, so I'm thankful I can tuck the buckles in and not have to worry about burning my kiddos. The Outlast Technology really helps with temperature control as well. This is a great deal for the price and the only car seat you'll ever need.
Date published: 2014-04-18
Rated 5 out of 5 by from Safe and comfortable for our twins! We received two of the ProComfort Symphony™ DLX All-In-One Car Seats last week. They were very easy to install. We feel very confident that our twins are safe in their new car seats. They love them too! They are 2 years old and when we showed them their new car seats for the first time, they got really excited and smile every time we buckle them into their "big boy seats"!! The gel makes the seats comfortable for them, which will be great for our upcoming road trips this summer! I love the fact that the seats have cup holders for their juice and snack cups. It's already helped with minimizing messes in the car! The fact that the car seats will grow with our kids is a definite plus and a money saver in the long run!!
Date published: 2014-06-16
Rated 5 out of 5 by from The only car seat that holds ALL of my kids! This car seat is hands-down the most innovative seat I have seen. It is easy to install (both front and rear facing), is easy to clean AND it manages to fit all three of my kids with just a few adjustments (aged 6 months, 3 and 5). I love that I can have a seat in teh car that the kids can switch in and out of (or I can easily use for friends.) It takes less than 10 seconds to go between our 3 year old and 5 year old and just a few minutes to move to rear-facing for the baby. This is the seat the kids fight over and talk again and again about how comfortable they are (with no prodding by me!) The only downside? It's big. Certainly not one you could put 3 across in.) But, my kids are safe, comfortable AND it's easy on me!
Date published: 2014-08-27
Rated 5 out of 5 by from A TRUE All-In-One Seat! I received this car seat for free in order to facilitate this review but all opinions are my own. The buckle pockets provide a place for you to insert the chest clip. This serves two purposes. First, it keeps it in place until you are ready to secure your child. Secondly, you can cover the entire clip inside the pocket and it keeps it cool under the hot sun! You will never burn your fingers or your child on a hot clip thanks to these new buckle pockets. This seat works for your child from 5-110 pounds. You can use this from birth, until they are front facing and beyond! And with a price tag of $249.99, I don’t think you will find a better deal!
Date published: 2014-04-16
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