Short answer: these aren’t really competing for the same job. The Authentics 500 is $449.95 and has no battery at all; the Boombox 3 is $349.95, runs 24 hours on battery, and survives full submersion. Picking between them is really picking a use case first.
The Authentics 500 is JBL’s home lifestyle line. It ranks #5 of 10 in its powered desktop category, a small field, with 270W of output and genuinely deep bass for its size. It plugs into a wall and stays there. Its cons are typical JBL house tuning: boosted upper bass and peaky upper mids.
The Boombox 3 is built to leave the house. It ranks #27 of 112 portable boombox speakers, doubles as a USB power bank, and links up to 100 compatible JBL speakers over PartyBoost. Its own weak points are dips in the mid bass and a peak at 700 Hz that our notes say hold it back from the Stormbox Blast’s mids and treble.
Price aside, the decision is really about batteries and water. If it’s staying on a shelf near an outlet, the Authentics 500’s extra output and cleaner design make sense. If it needs to survive a pool deck or a yard, only the Boombox 3 is built for that.
Buy the Authentics 500 for a stationary home speaker with real output. Buy the Boombox 3 if you need it to run on battery, get wet, and travel.
There is a real gap in water resistance: the JBL Boombox 3 at IP67 (brief submersion) against the JBL Authentics 500, which has no water resistance.
Want more options? Browse the full Powered Home rankings and Portable Bluetooth rankings.
A large smart speaker with a built in subwoofer, virtual Dolby Atmos, Wi-Fi streaming and both Alexa and Google Assistant.
A loud, fully waterproof boombox with a dedicated subwoofer, a 24 hour battery and power bank charging.
Prices on this page were last checked November 5, 2026 at 10:30 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 500 | JBL Boombox 3 | |
|---|---|---|
| Price | $449.95 each | $349.95 |
| Ranked | #5 of 10 in Large Size Powered Desktop Speakers | #27 of 112 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Battery Life | No Battery | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 5.3 | 5.3 |
| Dimensions | 17.6” x 9.4” x 10.1” (447 x 240 x 255.7 mm) | 19” x 10.1” x 7.9” (482 x 257 x 200 mm) |
| Dolby Atmos | Yes (virtual) | - |
| EQ | Yes | No |
| Ethernet | Yes | - |
| Frequency Response | 40Hz - 20kHz (-6dB) (Manufacturer specified) | - |
| IP Rating | None | IP67 |
| Drivers | 6.5” (down-firing subwoofer), 3x 2.75” midranges, 3x 1” (25mm aluminum dome) tweeters | 1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters |
| Party Mode | Yes (Wi-Fi multi-room) | Yes (PartyBoost up to 100 speakers) |
| Power Input | 100 - 240V AC, ~ 50/60Hz | AC Power cable |
| Configuration | 3.1 channel | - |
| Stereo | Yes | Yes |
| Streaming Services | AirPlay 2, Chromecast, Spotify Connect, Tidal Connect, Alexa MRM | - |
| Inputs | USB-C (USB playback, US only) | - |
| Voice Assistants | Amazon Alexa & Google Assistant (simultaneous) | - |
| Weight | 17.2 lbs (7.8 kg) | 14.8 lbs (6.7 kg) |
| Wi-Fi | Yes (IEEE 802.11 a/b/g/n/ac/ax, 2.4GHz/5GHz) | - |
| Amplifier Power | 270W (Max @ THD 1%) | 180W AC / 136W battery |
| XLR Input | No | - |
| RCA Input | No | - |
| TRS Input | No | - |
| Optical Input | No | - |
| Coaxial Input | No | - |
| USB Input | Yes | - |
| HDMI Input | No | - |
| AES Input | No | - |
| Bluetooth | Yes | Yes |
| Aux Latency | - | 25ms |
| Bass Extension (-10dB) | - | 43Hz |
| Bluetooth Latency | - | 100ms |
| Maximum SPL | - | 110dB (measured by Alan Ross Reviews) |
| Omnidirectional | - | No |
| TWS | - | Yes |
| Power Bank | - | Yes (USB-A) |
| USB Playback | - | No |
| Built-in Microphone | - | No |
| FM Tuner | - | No |
| Microphone Input | - | No |
| MicroSD Playback | - | No |
| Digital Aux Input | - | No |
| Strap | - | No |
Watch Them Compared
Videos and reviews that test both speakers side by side.
- Jay’s Straight Up Reviews & More: JBL Authentics 500 vs Boombox 3 🙮💨 Bluetooth Speaker Sound Comparison. Plugged In 🔌 Get Your 💵 Out!
- AudioTribe: JBL Authentics 500 VS JBL Boombox 3 Sound Test Comparison
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