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Edifier S350DB Active Speaker review — Sound quality beyond expectations
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Edifier S350DB Active Speaker review — Sound quality beyond expectations

by April 26, 2017

+ Classy design, solid build quality with wooden material
+ Support for various inputs, including Bluetooth with aptX codec
+ Excellent sound without distortion even at extreme volume
+ Powerful bass which does not overpower the higher frequencies
+Balanced mids and crystal clear highs make for a stunning listening experience


- No shield to protect drivers from fingers
- NFC would have been great for easier pairing

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The Edifier S350DB is part of Edifier's signature series, and for a good reason too, with a classic look and support for the latest inputs, including Bluetooth with aptX codec.

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I really like the Edifier XM6BT which I previously reviewed. It was really so enjoyable to listen to that I thought it will not get any better. it has become one of my favorite multimedia speaker, with me considering it one of the best value for money 2.1 audio systems out there. Listening songs and playing games was just so much fun with it. Well, I was definitely wrong, as it can get a lot better, it seems. We got ourselves another Edifier speaker set, something that isn’t made for the masses, something only audio enthusiasts can appreciate.

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The Edifier S350DB is part of Edifier’s signature series and the price tag alone filled me with some really high expectations. Let’s take a look.


Edifier S350DB comes in a very huge box and was quite difficult to handle even for a big guy like me. Just for precaution, it’s better to handle the box with a hand trolley or get some help carrying it. At the front of the box we have the picture of the speaker system itself, along with its highlighted features like Bluetooth with support for the higher quality aptX codec, optical input and many more.

On top of the box we have the SPL versus Frequency chart for the Edifier S350DB. Reading the chart is actually not that difficult. Referring to the frequency axis, from the left most is bass (20Hz-500Hz), followed by midrange (500Hz – 5000Hz) and lastly the Treble or Highs (5000Hz – 20kHz). On the sBSPL axis, the higher it is, the louder the speaker can deliver on that frequency. By looking at the graph we can say that Edifier S350DB will deliver strong bass, balanced mid and also clear trebles. Of course, data from a graph only tells you so much, and we will have to listen to the speakers to get a proper idea of the sound.

At the back, we have all the detailed information and specifications regarding the speakers. The Edifier S350DB is capable of playing music through Bluetooth with support for Qualcomm’s aptX codec. What aptX does is offer a means to deliver high quality audio over Bluetooth with a higher bitrate from the source. If you have aptX capable audio setup, you should really just forget about cables. That’s how far Bluetooth has come in it’s journey.

Inside the box, we have all the required accessories to get started. We have a remote control, power cable (1.8 meter), 3.5mm-RCA audio cable (1.7 meter), speaker connection cable (3 meter), fiber optic cable (3 meter) and all the necessary documentations.

Let’s start with the remote control first. Its rounded design does feel comfortable in hand. This IR remote control allows us to change the track, on or off the speaker and pick the audio sources either from Bluetooth or PC.

After all the accessories are taken out, it’s time to check the speakers themselves. The Edifier S350DB is secure with two huge blocks of Styrofoam and it sit nicely in the box. Taking out the subwoofer needs extra care as it is really heavy.


Edifier S350DB comes with two satellite. The right satellite is an active type with a built-in amplifier while the left satellite is passive type, which needed to be connected through speaker wire. Both satellite are equipped with titanium dome tweeters and a 3.5-inch aluminum cone woofers. On the right satellite, there is a tiny display panel at the bottom.

The top and sides are where you get to enjoy the nice wooden finish Edifier has bestowed onto the Edifier S350DB’s satellites.

The Edifier S350DB’s control panel is located on the right side of the satellite. Here you can tweak the bass and treble levels, and also control the speaker volume. Right under the volume knob there is a status LED.

At the back, we can see that the right active satellite has a fixed wire while for the passive left satellite you need to connect it with the provided speaker cable first.

In order to keep both speaker firmly in a place, it has four rubber feet on each satellite.

Moving on to the subwoofer, Edifier S350DB is equipped with a long-throw 8-inch subwoofer. This subwoofer is the heaviest part in the speaker system, and rightfully so. It feels very solid and the build construction is commendable. We have a bass port on the right side the right side.

There is nothing to show off at the top and left side of the woofer.

At the bottom, it has four rounded silicone feet to hold the woofer in a place. These double as anti-vibration pads. Both subwoofer and satellites are made from the same wooden material. It’s really thick for strength and a more solid sound.

At the back, we have the connector panel where we find all the connectors and inputs the system features.

This is what it’s looks like when all the necessary cables and wires are plugged it. For the review, I connected it to my PC, and additionally, I also used the Bluetooth connection to detect any quality loss or delay.


Power output: RMS 40W x 2 + 70W (150W total)
Signal to noise ratio:R/L: ≥ 80 dBA; SW: ≥ 85 db
Frequency response:SW: 40 Hz – 160 Hz; R/L: 160 Hz – 20 KHz
Input Sensitivity:PC: R/L: 600 mV ± 50 mV; SW: 270 ± 20 mV
AUX: R/L: 400 mV ± 50 mV; SW: 200 ± 20 mV
Optical/Coaxial: R/L: 400 ± mFFS; SW: 200 ± 20 mFFS
Bluetooth: R/L: 400 ± 50 mFFS;SW: 200 ± 20 mFFS
Input type:RCA stereo input (PC and AUX), Bluetooth 4.0, USB and SD card reader
Dimensions:156 × 127 × 217mm (satellite) + 250 × 78 × 255mm (amplifier) + 312 × 265 × 289mm (subwoofer)
Weight:14.7 kg

The S350DB uses Texas Instrument DSP Technology via it’s AIC3254 chip which is a flexible, low-power, low-voltage stereo audio codec with programmable input and output, PowerTune capabilities, fully-programmable mini DSP, fixed predefined and parameterizable signal processing blocks, integrated PLL (phase-locked-loop), integrated LDO (low-drop-out) regulator and flexible digital interfaces.This is also available in some high-end speakers like JBL CM102, CM202 and Edifier S1000.

Each speaker is driven by its own power amplifier to produce true-to-source accuracy. The Texas Instrument chip used here, the TAS5754 is also seen in the flagship Edifier S2000 and Airpulse A200.

If that is not satisfying enough, Edifier went overboard with the S350DB. These speakers are tested by Klippel – a german company expert in audio analysis. Klippel has some very advanced tools to conduct the testing – much of which we can’t afford. This shows Edifier’s commitment in delivering only the best with their Signature speakers.

Oh, we’re not done yet. The S350DB also uses a High power SMPS (switched-mode power supply) that delivers higher efficiency, is smaller in size and lighter in weight. Because of this, on standby mode, the S350DB uses no more than 0.5W to conserve energy.

Combining all these specification, it totally justifies the price of this masterpiece!

User Experience

Connecting the Edifier S350DB to a PC doesn’t require any software. Similarly, pairing it via Bluetooth is a piece of cake, just press the Bluetooth button on the IR remote control and start pairing the speaker with your Bluetooth device. The display panel on the right satellite will show you the current audio source.

I was recommended to burn in the speakers for at least 60 hours before it will unleash its true potential by Edifier representative. Say what you want, but I have experienced improved sound quality after some time using my headsets and speakers. Burning it with JLAB audio is absolutely going to hurt my ear drums so I just let it play songs or any audio for more than a week before commencing my evaluation of the sound.

I did setup the Edifier S350DB in many ways, for me the best experience was when I placed the speakers within a meter between the two satellites. This setup delivered great sound and a very enjoyable wide soundstage.

My first impression with the speaker is the mid-range is very clear. So, I decide to increase the bass and treble just slightly. The outcome is spectacular, leaving me speechless and awestruck with some of my favorite songs, as it was as if I have never heard them properly before this.

I started with this classic, Hotel California. The instruments blew me away with their clarity. The amount of bass is just right, deep and tight. While the highs were smooth and clear, with every nuance in the vocals and instruments stunning me as I have never heard them before with my previous setup.

Next I listened to Say Yeah by Kishi Bashi. This song is absolutely one of my favorite. Its unique sound and vocals sound perfect with the Edifier S350DB. Although Edifier S350DB’s bass is quite heavy and loud it doesn’t overwhelm the mid and high range.

If you planning to get a new sound system for your small home theater, you should give the Edifier S350DB a listen. Regardless for movies or gaming, the speaker easily fills up your room with its sound. One of the best examples is when I’m playing Battlefield 1 with the Edifier S350DB. Even though it is connected through a Bluetooth connection, it didn’t disappoint me at all.  Thanks to the sound engineers who worked on Battlefiend 1, it felt like I was in a real battlefield when playing with Edifier S350DB.

Last but not least, I listened to Jake Shimabukuro with his solo ukulele performance. For this, my reaction to this is just WOW! Every note came through crystal clear, even when he was strumming so fast that the camera failed to keep up with his hands.


Impressed by its build quality, Edifier S350DB totally blew me away with its sound quality. Doesn’t matter how low or high the volume, the audio quality never dropped at all. It really makes me wonder how will it sound if I connect it to a high end DAC like the ASUS Essence One MKII.

It’s difficult for me to express in words how the Edifier S350DB sound. For me it’s perfect with the amount of bass, crystal mids and effortless highs. I must reinstate that I am not sugar coating this review, but the speaker did extremely well and surpassed all my expectation in audio. Compared to the XM6BT, Edifier S350DB totally leaves it in the dust. If we were to pit it against the OPPO Sonica which I also had the opportunity to review, it doesn’t stand a chance at all in a big room against the Edifier S350DB.

Edifier S350DB is priced at RM1099 on Lazada, which may seem pretty pricey at first, until you hear it. I highly recommended Edifier S350DB and I award it with our Gold Pokdeward.

Thank you Edifier Malaysia for providing the Edifier S350DB to us for review, also changed my perception on how a premium, signature audio system can be this good.

About The Author
Muhammad Firdaus
I love technology, so I love AMD.
  • Dave
    December 21, 2017 at 5:29 am

    Thanks for the review. It’s obvious that you enjoyed the quality of this sound system and I, myself, have decided to purchase this unit for myself. A few comments to mention regarding your review are the following:

    The product dimensions should be in mm, not cm. I HIGHLY doubt that the satellite speakers are 156cm x 127cm x 217cm.

    You used the word “irregardless”. This is a double negative and simply not necessary.

    Your recommendation that a person bring a trolly or hand truck is completely ludacris. The box is not THAT big, nor is the subwoofer THAT heavy.

    Otherwise, I felt you did a great job at the review. The “hype” you seemed to push regarding the size and weight of this unit almost causes the reader to question that validity of the review. That’s basically my main point in all of this. Great pictures as well, by the way!

    • Vyncent Chan
      December 21, 2017 at 12:40 pm

      Hi, sorry for the mistakes. We have fixed them, thanks!

      The speaker set is actually quite heavy to us, considering its 14.7 kg and the packaging is bulky. We wouldn’t want anyone to attempt to carry these babies around by hand and drop them! Maybe someone with a larger build might find it a piece of cake though.

  • Charles Wong
    January 14, 2018 at 12:04 am

    Hi to all readers. I’ve been using the Edifier S350DB for a few months and found the mid a bit recessed. It’s not upfront enough to have much impact for the listener. The soundstage is also rather narrow. It does not seem to conform to our local reviewers. The results are the same whether it’s from a disc player or through Bluetooth. I have high expectations of this product but was let down by it’s rather mediocre sound quality. Can someone please advise me what to do. Thank you to all in advance.

    • January 14, 2018 at 2:19 am

      I dont know how you tested the S350DB and what is your benchmark for reference when you call it “Mediocre sound quality”. Even just tweaking the treble and bass knob should give it quite some fair punch but I personally customize my music with source equalizers for maximum satisfaction. I have yet to be let down personally.

    • crz4all
      January 26, 2018 at 4:53 pm

      well i got this just for my pc and found it quite good for a pc but cant compare to my bookshelf speaker but u pay for wat u get right ? i bought my speaker mordaunt short mezzo 2 for rm 2.6k tat was 5 years ago and this unit doesnt come with amp, for rm800 u cant complain much for s350db

    • Frederik
      February 25, 2018 at 12:26 pm

      i also bought these speakers but very important: these aren’t speakers to place in “an usual desk setup” (sub under the desk, sattelite speakers on the desk) then the sub has a tendency to be a bit “boomy”. this has more to do with the desk cavity creating a resonance cage.

      i actually was blown away by it’s quality in a “straight on” setup, compared to my hifi set, however there it stood open the two speakers on 2 stands and the sub neatly in the middle.

      So they are a bit more picky in how you place then: it’s a very directional set, so you really have to place it as real speakers: sats ar ear height, sub freestanding, to have that awesome result.

      when you look at the site of Edifier, they also don’t really display it on a desk but in a small living room setup, which is a hint of to what they aim at.

      also the delivered cables do hint: the spread of the sats is max 3 meter i found each sat at 1 meter from the sub the best spread, but once you go out of a small zone i call “the sweet spot” that incredible spread and sound dulls of. as i lean back in my comfy chair, i do sit right in front of them, so no issue for me

      i advise to test some placement setups see what works and what not. these babies do reward spending some time to test that out

  • Tiago
    May 8, 2018 at 12:52 am

    Great Review :)

    I actually am trying to decide between the S350DB and the S1000DB, the 350 are a bit cheaper, and around me I don’t have a physical store where I could try it. Anyone by any chance tried both of them and could give me advice.


    • Vyncent Chan
      May 8, 2018 at 8:16 pm

      We haven’t tried the S1000DB ourselves either, but judging from our experience with Edifier’s bookshelves, you would be treated to an amazing experience with the S1000DB, but for more low end punch for greater impact in movies and games, the S350DB should be your choice :)

  • kong
    August 3, 2018 at 12:19 am

    Can some one guide me how to switch on the sound preference selection mode on the computer monitor for speaker model S350DB

  • August 14, 2018 at 5:39 pm

    Definitely the best review around, lots of relevant information without being too complicated or lenghty,

    I really enjoy the inside info about letting the speakers burn in for 60 hours, really cool info coming from the brand itself which I usually don’t see on product reviews.
    Also letting us know that the speakers went through testing from a german company (Klippel) to attest their quality is again another very relevant aspect to be mentioned, something I would never know if it not from reading it here.

    So thank you very much for this detailed review. I just bought these speakers and they are indeed great, the bass is definitely felt without feeling too boomy or shaking everything around and the speakers produce very clear and detailed sound. Could not be happier to make them part of my gaming set up.

    Keep up the good work, this site was a nice surprise for me. The quality of the reviews definitely excel compared to most tech sites out there.

  • Ryan
    August 25, 2018 at 5:15 pm

    Thanks for the review. I am really stuck between these and the R2000DB. I do not have much experience with high-end audio other than my Energy Take Classic 5.1 which are a great bang for buck system.
    I really like listening to music, so performance in that regard would be most important. Good bass is important to be but would the R2000’s offer enough tight bass?

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