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"Premium Sound, Timeless Style."

JBL Authentics 300 Review

Discover the JBL Authentics 300, a stylish and high-performance mobile speaker with powerful sound, robust design, and versatile connectivity options. Is it worth the hype?

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JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300
JBL Authentics 300


Looking for a mobile speaker that combines style and performance? The JBL Authentics 300 might just be what you need. This mobile speaker promises a high-quality audio experience packed into a sleek design. Whether you're a music lover wanting to enjoy tunes at home or an on-the-go enthusiast, this speaker aims to deliver. But does it live up to the hype?

Mobile speakers have become a dime a dozen, and finding the right one can feel like searching for a needle in a haystack. With so many options, it’s essential to know what sets each product apart. Let’s take a closer look at what makes the JBL Authentics 300 stand out—both the good and the not-so-great aspects.

If you like this review, you might also like our review on the JBL Authentics 200 or JBL Authentics 500 or JBL Bar 1300.

Design and Build Quality

First impressions matter, and the JBL Authentics 300 doesn't disappoint in this department. The design is a fine blend of modern aesthetics and retro vibes, making it a charming addition to any space. It's got a sleek, rectangular shape with rounded edges that give it a soft yet sophisticated look.

The materials used scream quality. The speaker is wrapped in a durable fabric mesh, which not only looks good but also protects the internal components from dust and minor impacts. The top panel is made of sturdy plastic, adorned with metallic controls that have a satisfying tactile feel. No flimsy buttons here!

Size-wise, it's compact enough to be portable but hefty enough to feel substantial. At around 3.5 kg, it strikes a balance between portability and stability. It's not a featherweight, but that weight adds to the impression of durability and quality.

Attention to Detail

This speaker pays attention to the little things. The rubberized feet at the bottom ensure it stays put on any surface, and they also help absorb vibrations, keeping your music distortion-free. The overall build feels solid, with no creaky parts or loose fittings.

The Downsides

However, it's not all roses. The fabric mesh, while stylish, can be a dust magnet and might require regular cleaning to keep it looking pristine. Also, the top plastic panel, though robust, is prone to fingerprints, which can be a bit annoying if you're a neat freak.

In summary, the JBL Authentics 300 strikes a great balance between style and substance. It’s built to last and designed to impress, making it a worthy addition to any setup.

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Sound Performance

The sound performance of the JBL Authentics 300 is where this speaker truly shines. From the moment you hit play, you'll notice the rich, full-bodied sound that fills the room. But let's break it down, shall we?


The bass on this bad boy is deep and powerful. It can make your favorite tracks thump and pulse, giving you that satisfying, immersive experience. However, if you're a fan of subtle, more nuanced bass, you might find it a tad overpowering when the volume is cranked up. It’s like having a subwoofer tucked into a compact frame.

Mids and Highs

The mids are clear and pronounced, which is great for vocal-heavy tracks. You won't miss a single word or note. Highs are crisp without being harsh, adding a nice sparkle to your favorite tunes. Some might argue that the highs could be a bit more refined, but for most users, it’s more than adequate.


When it comes to volume, you won't be disappointed. This speaker gets loud—really loud. It can easily fill a large room without any distortion. Perfect for parties or gatherings. However, at max volume, some distortion might slip in, though it’s minor and often unnoticeable unless you’re really paying attention.


The JBL Authentics 300 offers a surprisingly wide soundstage for a portable speaker. It creates an impressive spatial effect, making you feel like you’re in the middle of a live concert. Instruments and vocals are well-separated, enhancing the overall listening experience.

Overall, the sound performance of this speaker is top-notch. It’s designed to please a wide range of listeners, from casual users to hardcore audiophiles. If you’re looking for a speaker that delivers big, bold sound in a small package, this one’s definitely worth considering.

JBL Authentics 300

Connectivity and Compatibility

The connectivity options on the JBL Authentics 300 are pretty impressive. You get both Bluetooth and Wi-Fi, so you can easily connect your devices without any hassle. Bluetooth is pretty standard nowadays, but having Wi-Fi means you can stream music directly from the internet, which is a big plus. One cool thing is that it supports Apple AirPlay 2 and Google Chromecast. What does that mean? Well, if you're an iPhone user, you can stream music from your Apple Music or other apps with just a tap, and the same goes for Android users with Chromecast. It's super seamless, like magic! However, it's worth mentioning that setting up the Wi-Fi can be a bit tricky for some people, especially if you're not tech-savvy. But once you get it going, it works like a charm.

There's also a good old-fashioned AUX input for those who prefer to keep things simple. If you have a device that doesn't support Bluetooth or Wi-Fi, you can still plug it in the old school way. And let's not forget the USB port. You can charge your phone or other devices while blasting your tunes, which is pretty handy if you're running low on battery. Overall, the JBL Authentics 300 offers a variety of connectivity options that cater to almost everyone's needs, though the Wi-Fi setup might require a bit of patience.

JBL Authentics 300

Battery Life

So, let's talk about the battery life on this thing. The JBL Authentics 300 packs a solid punch with its rechargeable battery. On a single charge, you can expect it to last up to 8 hours. Not too shabby, right? This makes it a great companion for those long picnics or beach days where you want your playlist to keep rolling without interruption. Charging it back up is straightforward. It uses a standard USB-C port, which is super convenient because you probably already have a few of those cables lying around. It takes around 2-3 hours to get it fully juiced up again, depending on the power source you're using.

Now, let's get real for a sec. If you're cranking up the volume to max, or if you're using the speaker continuously for Bluetooth streaming, the battery life may fall short of that 8-hour mark. So, if you're planning an all-day event, you might want to keep a power bank handy, just in case. The battery performance is generally reliable, but remember that all batteries degrade over time. After a couple of years, you might notice it doesn't hold as long a charge as it used to. It's something to keep in mind, but that's pretty standard with rechargeable batteries.

Additional Features

The JBL Authentics 300 packs a punch with a bunch of extra features that really elevate the user experience. One standout feature is the integration of voice assistants. Whether you’re team Alexa or Google Assistant, this speaker's got you covered. You can easily control your music, get updates on the weather, or even manage your smart home devices without lifting a finger. Another cool addition is the multi-room audio capability. Have a couple of these bad boys? You can sync them up to play the same song in multiple rooms or different tracks in each room. It's like having a DJ in every corner of your house.

But wait, there’s more! The speaker also supports wireless charging for your Qi-enabled devices. Just place your phone on top and let it juice up as you enjoy your tunes. It’s small touches like this that make a big difference. On the downside, the speaker lacks waterproofing, which means you’ll need to be careful about where you place it. It’s not exactly a deal-breaker, but something to keep in mind if you’re thinking about taking it poolside. In terms of security, the speaker has firmware updates to keep things current and secure. However, updates can sometimes be a bit slow to roll out, which might be a bit of a hassle for the security-conscious. Altogether, the JBL Authentics 300 offers a wealth of features that make it more than just a speaker—it’s a smart, multi-functional companion for your home.

JBL Authentics 300

What's in the Box

So, you've got yourself a JBL Authentics 300. Let's crack open that box and see what goodies await inside!

First up, you'll find the speaker unit itself, of course. It's neatly packaged and cushioned to ensure it arrives in perfect condition. This thing's got some heft to it, but that just speaks to its solid build.

Tucked away next to the speaker, you'll find the power adapter. It's your standard plug-and-play type, nothing too fancy, but it does the job. One cool thing here is that the adapter comes with multiple plug types, so whether you're in the US, Europe, or elsewhere, you should be covered.

Then there's a quick start guide. This slim booklet is surprisingly useful. It walks you through the initial setup and gives you a basic rundown of the speaker's features. There’s also a more detailed user manual included if you want to dive deeper into the nitty-gritty.

Last but not least, you'll find a USB-C cable. This is super convenient for charging and connecting to various devices. It’s a nice touch that JBL included this, as not all mobile speakers come with a USB-C cable in the box.

One thing you might miss is a carrying case or pouch. Given the speaker's size and weight, a little extra protection for travel would have been nice. But hey, you can't have everything, right?

Altogether, the box contains:

  • Speaker unit
  • Power adapter with multiple plug types
  • Quick start guide
  • User manual
  • USB-C cable

Everything you need to get rolling is right there, without any unnecessary fluff. Simple and straightforward, just how we like it.

User Experience

Unboxing and setting up the JBL Authentics 300 is a breeze. Right out of the box, you can tell it’s designed with the user in mind. The setup instructions are clear and straightforward, so you won't feel like you need an engineering degree just to get started. Ease of Use is one of the highlights here. The controls are intuitive and well-placed, so there's no fumbling around. Whether you're adjusting the volume, pairing Bluetooth, or selecting audio sources, everything feels just where it should be.

Now, for those of us who love to tinker with settings, the accompanying app is a treat. You can fine-tune the audio settings to match your preferences, which is especially useful if you’re an audiophile. But even if you're not, the default settings are more than adequate for most listeners. Portability is another strong suit. The speaker is easy to carry around, thanks to its compact design and sturdy handle. You can move it from room to room without breaking a sweat. However, it's not exactly a featherweight, so it might not be the best option for long-distance travels or outdoor adventures.

One thing to note is the voice assistant integration. It's compatible with both Google Assistant and Alexa, making it super convenient to control with your voice. Just say the word, and you can play your favorite tunes, check the weather, or even control smart home devices. However, the voice recognition can be a bit hit or miss in noisy environments, so keep that in mind. On the downside, the speaker does take a bit of time to fully charge, which can be frustrating if you’re in a hurry. Also, while the app is generally smooth, it does occasionally lag, which can be a minor annoyance. Overall, the user experience with the JBL Authentics 300 is largely positive. Whether you’re tech-savvy or just looking for something straightforward, this speaker manages to strike a good balance. Just be prepared for a few minor hiccups along the way.

JBL Authentics 300

Price and Value

When it’s time to talk about price and value, the JBL Authentics 300 definitely makes a statement. This speaker isn't exactly cheap, but it's packed with features and quality that justify its cost. For those who prioritize sound quality and durability, this speaker delivers in a big way. Sure, you might find cheaper options out there, but do they offer the same level of connectivity and compatibility? The JBL Authentics 300 supports a wide range of devices and has multiple input options, making it versatile enough for nearly any setup. Plus, the sound performance is top-notch, providing a rich, immersive audio experience that budget-friendly models often lack. On the flip side, the cost might be a bit steep for those who are simply looking for a basic, portable speaker.

If you're new to the market or have a limited budget, this might feel like a splurge. However, when you consider the long battery life, robust build, and additional features like voice assistant support, the investment starts to make more sense. Ultimately, the value of the JBL Authentics 300 lies in its ability to combine quality, functionality, and style. If you're looking for a speaker that can deliver great audio, stand the test of time, and look good doing it, this one is worth the price tag. But if you just need something for casual listening or smaller gatherings, you might want to weigh your options.

Video by: JBL


In conclusion, the JBL Authentics 300 is a solid pick for anyone wanting premium sound quality with a touch of old-school charm. The design is robust, and the sound performance is impressive, making it a standout in its category. Connectivity options are vast, covering everything from Bluetooth to wired connections. It's super versatile and plays nice with most devices. The battery life is decent, though some might find it a bit lacking for all-day outdoor use. This speaker isn't just about sound; it has some cool additional features that elevate the user experience.

However, it's not perfect. The price might be a bit steep for those on a budget. And while the build is solid, it may feel bulky if you're looking for something ultra-portable. But if you're after a speaker that delivers excellent sound and a vintage vibe, this one should definitely be on your radar. It strikes a nice balance between performance and aesthetics, making it a worthy investment.

Pros & cons


  • High-quality audio performance
  • Stylish design with retro vibes
  • Multiple connectivity options
  • Voice assistant integration
  • Solid build quality


  • Fabric mesh attracts dust
  • Top panel prone to fingerprints
  • Wi-Fi setup can be tricky
  • No waterproofing

Technical specifications

Brand JBL
Model Authentics 300
Type Wireless Speaker
Audio Output 2.1 Channel
Power Output 120W RMS
Frequency Response 45Hz - 20kHz
Drivers 1 x 5.25" Woofer, 2 x 1" Tweeters
Connectivity Bluetooth 5.0, Wi-Fi, AUX, USB
Bluetooth Profiles A2DP 1.3, AVRCP 1.6
Wi-Fi Standards 802.11 a/b/g/n/ac
Voice Assistant Integration Google Assistant, Amazon Alexa
Battery Type Rechargeable Lithium-ion
Battery Life Up to 8 hours
Charging Time 3.5 hours
Dimensions (W x H x D) 370mm x 200mm x 160mm
Weight 3.5 kg
Color Options Black, White
Material Plastic, Fabric
Water Resistance IPX4
Included Accessories Power Adapter, Quick Start Guide
Warranty 1 Year