JBL Authentics 300 vs Bumpboxx Flare 8

Last updated: October 27, 2026

Short answer: the JBL Authentics 300. It ranks #46 of 113 boombox speakers by sound quality (rated 3.5/5) at $299.95 and is still sold new; the Bumpboxx Flare 8 ranks #82 (rated 2.6/5) and is discontinued, so it is only an option used. The Bumpboxx Flare 8’s replacement, the Bumpboxx Flare8 Pro, is rated 2.8/5 at $449.

JBL Authentics 300 vs Bumpboxx Flare 8

The JBL Authentics 300 is the better-sounding, lighter choice. A retro styled smart speaker with both Alexa and Google Assistant, a leather handle and battery power. At 10.8 lbs (4.9 kg) it weighs much less than the Bumpboxx Flare 8 at 19 lbs (8.62 kg). It links with other speakers (Wi-Fi Multi-Room), which the Bumpboxx Flare 8 cannot. Watch for: Narrow sounding, bass not as deep as others.

The Bumpboxx Flare 8 is the longer-running, tougher pick. A retro styled party speaker with FM radio, water resistance and high volume for small outdoor parties. It is rated for 12 hours of battery against 8 for the JBL Authentics 300. It is rated IPX6, while the JBL Authentics 300 has no water resistance. It keeps a wired aux input, which the JBL Authentics 300 lacks. The catch: Bass is thuddy rather than deep or controlled, and there is no app to improve the tuning.

Buy the JBL Authentics 300. It is rated higher for sound quality; the Bumpboxx Flare 8 is no longer sold new.

Still deciding? The full Portable Bluetooth rankings cover every ranked option.

Prices on this page were last checked November 7, 2026 at 7:34 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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Specifications Side By Side

JBL Authentics 300 Bumpboxx Flare 8
Price$299.95$400 Discontinued
Ranked#46 of 113 in Boombox Size Portable Bluetooth Speakers#82 of 113 in Boombox Size Portable Bluetooth Speakers
AppYesNo
Bass Extension (-10dB)45Hz-
Battery Life8 hours (Manufacturer specified)12 hours (Manufacturer specified)
EQYes (App EQ)Yes
IP RatingNoneIPX6
Maximum SPL100dB (measured by Alan Ross Reviews)118dB (Manufacturer specified)
Party ModeYes (Wi-Fi Multi-Room)No
Power InputAC Power cableUSB-C
StereoPartially (1 woofer)Yes
OmnidirectionalNoNo
TWSYesYes
Weight10.8 lbs (4.9 kg)19 lbs (8.62 kg)
Wi-FiYes-
BluetoothYesYes
Bluetooth CodecsSBCSBC
Power BankNoNo
USB PlaybackYesYes
Built-in MicrophoneYesNo
MicroSD PlaybackNoYes
Aux InputNoYes
Amplifier Power100W200W
Dimensions13.5” x 7.7” x 7.1” (342 x 195.6 x 180.3 mm)28” x 8” x 16” (711 x 203 x 406 mm)
Drivers1” tweeter + 4” woofer + passive radiators8” woofer + tweeters
Digital Aux InputNoNo
Bluetooth Version5.3-
Voice AssistantsAmazon Alexa & Google Assistant (simultaneous)-
StrapNo-
FM Tuner-Yes
Lights-Yes

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