Choose the speaker type
Decide whether you need portable, powered stereo or passive speakers.
Expert reviews. One COR Score.
JBL Authentics 300 reviews
Brand: JBL More JBL speakers reviews →
4.05out of 5
Compare JBL Authentics 300 reviews, specifications and available UK retailer offers. Check the details for this exact model and follow the original critics’ findings.
Manufacturer codeJBLAUTH300BLKEP
The product, explained
About the JBL Authentics 300
JBL JBLAUTH300BLKEP is listed in the portable & party speakers category. The recorded specifications include connectivity technology: Wired & Wireless; bluetooth: Yes; rms rated power: 100 W. This entry covers manufacturer code JBLAUTH300BLKEP. Specifications relate to this exact source record; other editions or packages may differ.
The source lists Wired & Wireless connectivity. Check the actual inputs and supported devices before choosing accessories. Connection type alone does not establish sound quality, wireless delay or compatibility with a particular service.
- Rated audio power (RMS)
- 100 W
- Connectivity technology
- Wired & Wireless
- Bluetooth
- Yes
- Wi-Fi
- Yes
- Maximum stated battery life
- 8 h
- Weight
- 4.9 kg
Make it work for you
Before choosing the JBL Authentics 300
List required source inputs
List required inputs for phone, TV, turntable and computer.
Measure placement and listening space
Measure shelf, stand and listening positions before choosing size.
Check outdoor protection limits
Check the full protection-rating conditions for outdoor use.
Independent perspectives
Expert reviews 5
Independent ratings, converted to the same five-point scale. Each card links to the original review and identifies the available evidence.
What Hi-Fi?
4.00 / 5Original rating: 4 / 5
Review covers JBL Authentics 300. The verified Icecat source record identifies this product name for code JBLAUTH300BLKEP. Model-level review; the colour may differ. Other models and generations are kept separate.
Read the full review ↗Checked 9 Oct 2026
Tom's Guide
4.00 / 5Original rating: 4 / 5
Review covers JBL Authentics 300. The verified Icecat source record identifies this product name for code JBLAUTH300BLKEP. Model-level review; the colour may differ. Other models and generations are kept separate.
Read the full review ↗Checked 9 Oct 2026
PCWorld
4.00 / 5Original rating: 4 / 5
Review covers JBL Authentics 300. The verified Icecat source record identifies this product name for code JBLAUTH300BLKEP. Model-level review; the colour may differ. Other models and generations are kept separate.
Read the full review ↗Checked 9 Oct 2026
How-To Geek
4.00 / 5Original rating: 8 / 10
Review covers JBL Authentics 300. The verified Icecat source record identifies this product name for code JBLAUTH300BLKEP. Model-level review; the colour may differ. Other models and generations are kept separate.
Read the full review ↗Checked 9 Oct 2026
Android Police
4.25 / 5Original rating: 8.5 / 10
Review covers JBL Authentics 300. The verified Icecat source record identifies this product name for code JBLAUTH300BLKEP. Model-level review; the colour may differ. Other models and generations are kept separate.
Read the full review ↗Checked 9 Oct 2026
More expert reviews
Techaeris
JBL Authentics 300 review: A refreshing and considerable change for JBL
By Alex Hernandez. Read the publisher’s assessment of this model.
Read the full review ↗Review link · Not included in the COR Score
Shane the Gamer
JBL Authentics 300 Speaker Review
By Shane Coleman. Read the publisher’s assessment of this model.
Read the full review ↗Review link · Not included in the COR Score
9to5Google
Review: JBL Authentics 300 is a Google Assistant speaker that hits all the right notes
By Max Weinbach. Read the publisher’s assessment of this model.
Read the full review ↗Review link · Not included in the COR Score
Independent reviews, made comparable
What does the COR Score mean?
One consistent scale makes different publishers’ ratings easier to compare. The original review still tells you why a critic reached that verdict.
Read our scoring methodology →Scale conversion · example
8/ 104.00/ 5
An illustration of conversion, not this product’s rating.
Check the match
Identify the exact model and the version reviewed. Check the manufacturer code, configuration and supplied accessories.
Compare on one scale
Convert usable ratings to five points, count each publisher once and give each critic equal weight.
Require three critics
Show the average to two decimal places after three distinct critics. Otherwise display tbd, keeping individual reviews visible.
Find the best fit by considering the score alongside the critic count, review dates, tested version and the strengths that matter to you. Eligible model-level reviews identify the tested configuration. Reviews of different hardware are shown separately and do not enter this product’s COR Score.
Know exactly what you’re buying
JBL Authentics 300 specifications
Manufacturer code: JBLAUTH300BLKEP · Icecat product 114777205 · Checked 24 Sep 2026. Specifications belong to this exact model.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Rated audio power (RMS) | 100 W |
|---|---|
| Connectivity technology | Wired & Wireless |
| Bluetooth | Yes |
| Wi-Fi | Yes |
| Maximum stated battery life | 8 h |
| Weight | 4.9 kg |
More product specifications
Open a section for the details that matter to you.
Audio & listening5 details
| Number of speakers | 1 |
|---|---|
| Subwoofer driver diameter | 13.3 cm |
| Subwoofer RMS power | 100 W |
| Frequency range | 45 - 20000 Hz |
| Audio formats supported | MP3, WAV |
Display1 detail
| Built-in display | No |
|---|
Processor, memory & storage1 detail
| Card reader integrated | No |
|---|
Connections & wireless7 details
| Bluetooth version | 5.3 |
|---|---|
| Bluetooth profiles | A2DP, AVRCP |
| 3.5 mm connector | Yes |
| USB connectivity | Yes |
| USB connector type | USB Type-C |
| AirPlay | Yes |
| Bluetooth transmitter power | 20 dBm |
Power & battery11 details
| Power source type | Battery, USB |
|---|---|
| Battery type | Built-in battery |
| Battery voltage | 3.6 V |
| Battery recharge time | 3.5 h |
| AC adapter input voltage | 100 - 240 V |
| AC adapter frequency | 50/60 Hz |
| USB Power Delivery (USB PD) | No |
| USB Type-C required charging power (min) | 0 W |
| USB Type-C required charging power (max) | 0 W |
| AC adapter included | No |
| Battery capacity | 4800 mAh |
Controls & features2 details
| Virtual assistant | Amazon Alexa & Google Assistant |
|---|---|
| Operating temperature (cooling) (T-T) | 0 - 45 °C |
Design & dimensions4 details
| Product colour | Black |
|---|---|
| Width | 342 mm |
| Depth | 180.3 mm |
| Height | 195.6 mm |
Further product details14 details
| Tweeter | Yes |
|---|---|
| Number of tweeter drivers | 2 |
| Tweeter diameter | 2.5 cm |
| Woofer | Yes |
| Number of woofer drivers | 1 |
| Woofer diameter (imperial) | 13.3 cm (5.25") |
| AUX in | Yes |
| Carrying handle(s) | Yes |
| Recommended usage | Universal |
| Hands-free mode | No |
| FM radio | No |
| Amplifier | Built-in |
| Quick start guide | Yes |
| Safety sheet | Yes |
Packaging & supplied accessories8 details
| Package width | 403 mm |
|---|---|
| Package depth | 272 mm |
| Package height | 272 mm |
| Package weight | 6.64 kg |
| Quantity per pack | 1 pc(s) |
| Cables included | AC |
| Warranty card | Yes |
| Warranty period | 2 year(s) |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
Build your shortlist
Compare other speakers
More products in this category. Compare their exact features, original reviews and available offers alongside the JBL Authentics 300.
| Product | Brand | Shown model | COR Score |
|---|---|---|---|
| Sony ULT FIELD 3 reviews → | Sony | SRSULT30W.CE7Off White | 3.54/57 critic reviews |
| Sony LinkBuds Speaker reviews → | Sony | SRSLS1H.CE7Light Gray | 3.67/56 critic reviews |
| Sony ULT FIELD 1 reviews → | Sony | SRSULT10D.CE7Orange | 3.99/56 critic reviews |
| Sony ULT FIELD 7 reviews → | Sony | SRSULT70B.EU8Black | 4.00/56 critic reviews |
Your questions, answered
JBL Authentics 300 FAQs
How many expert reviews are available for JBL Authentics 300?
This page currently includes 5 scored critic reviews. Each publisher counts once. Follow the review cards for the original verdict and the version that was tested.
What is the COR Score for JBL Authentics 300?
The current COR Score is 4.05 out of 5, calculated from 5 distinct critics. Ratings are converted to a five-point scale and given equal weight; affiliate offers do not affect this calculation.
Which exact version does this page cover?
This page identifies JBL Authentics 300 using manufacturer code JBLAUTH300BLKEP. Check that code, configuration and supplied accessories against the retailer listing. Related-version reviews are labelled separately and do not contribute to this version’s score.
What is the listed rms rated power for JBL Authentics 300?
The source specification records rms rated power as 100 W. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
What is the listed connectivity technology for JBL Authentics 300?
The source specification records connectivity technology as Wired & Wireless. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
Where can I compare prices for JBL Authentics 300?
Use the retailer-offer section on this page for available matched offers. If no offer is shown, we do not currently have a verified price. Confirm model, stock, delivery and the final total at the retailer; coverage does not include every seller.
Can one Bluetooth speaker make stereo?
Some can pair with a matching unit, but compatibility is model-specific. Check whether the mode is supported and how it behaves after updates.
Does a high watt figure mean it will be louder?
Not reliably. Measurement conditions, speaker efficiency and distortion limits vary, so use reviews and a listening test where possible.
Can I put a speaker in a cupboard?
Only if the maker permits it and airflow is adequate. Enclosures can alter sound and trap heat around powered equipment.
How should I use the specifications alongside reviews?
Use the recorded features to check compatibility and make a shortlist. Read the original reviews for measured performance, everyday use and the tested configuration.
Understand your options
Speaker buying guides
Explore one topic in depth before making your shortlist.
Start with the complete buying guide →Active vs passive speakers: building the right systemActive speakers include amplification; passive speakers require an external amplifier. The choice shapes the whole system, including volume control, source switching, cable runs and what can be upgraded later.Bookshelf vs floorstanding speakersChoose between standmount and floorstanding speakers from room placement, listening distance and total installed system.Speaker placement: distance from walls and listening positionUse placement to balance bass, stereo image and practical movement before relying on electronic correction.Bluetooth vs Wi-Fi speakersChoose the transport around portability, range, multiroom use, source independence and network support.