Short answer: these aren’t really competing for the same job. The Authentics 500 is $600 and has no battery at all; the Boombox 3 is $399, 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 #3 of 5 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 #21 of 71 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.
Specifications Side By Side
| JBL Authentics 500 | JBL Boombox 3 | |
|---|---|---|
| Price | $600 | $399.00 |
| Ranked | #3 of 4 in Large Size Powered Desktop Speakers | #21 of 70 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 | - |
| Dimensions | 17.60" x 9.45" x 10.07" (447 x 240 x 255.7 mm) | 48.2cm x 25.7cm x 20cm |
| 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 | Yes (PartyBoost up to 100 speakers) |
| Power Supply | 100 - 240V AC, ~ 50/60Hz | - |
| Sound System | 3.1 channel | - |
| Stereo | Yes | Yes |
| Streaming Services | AirPlay 2, Chromecast, Spotify Connect, Tidal Connect, Alexa MRM | - |
| USB | Type-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 |
| Wifi | Yes (IEEE 802.11 a/b/g/n/ac/ax, 2.4GHz/5GHz) | - |
| Output Power | 270W (Max @ THD 1%) | 180W AC / 136W battery |
| Aux Latency | - | 25ms |
| Bass Extension (-10dB) | - | 43Hz |
| Bluetooth Latency | - | 100ms |
| Max Volume | - | 110dB |
| Power Input | - | AC Power cable |
| TWS | - | Yes |
| Power Bank | - | Yes |
| USB Playback | - | No |
| Built in Microphone | - | No |
| FM Tuner | - | No |
| Microphone Input | - | No |
| MicroSD Playback | - | No |
The Two Speakers In Full
JBL Authentics 500: $600 Amazon
Pros: Quite powerful sound, and quite deep bass for the size.
Cons: No battery. Boosted upper bass. Peaky upper mids.
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | No Battery |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Dimensions | 17.60" x 9.45" x 10.07" (447 x 240 x 255.7 mm) |
| Dolby Atmos | Yes (virtual) |
| Drivers | 6.5" (down-firing subwoofer), 3x 2.75" midranges, 3x 1" (25mm aluminum dome) tweeters |
| EQ | Yes |
| Ethernet | Yes |
| Frequency Response | 40Hz - 20kHz (-6dB) (Manufacturer specified) |
| IP Rating | None |
| Output Power | 270W (Max @ THD 1%) |
| Party Mode | Yes |
| Power Supply | 100 - 240V AC, ~ 50/60Hz |
| Sound System | 3.1 channel |
| Stereo | Yes |
| Streaming Services | AirPlay 2, Chromecast, Spotify Connect, Tidal Connect, Alexa MRM |
| USB | Type-C (USB playback US only) |
| Voice Assistants | Amazon Alexa & Google Assistant (simultaneous) |
| Weight | 17.2 lbs / 7.8 kg |
| Wifi | Yes (IEEE 802.11 a/b/g/n/ac/ax, 2.4GHz/5GHz) |
- Reviews, Comparisons and Sound Samples
- Links
JBL Boombox 3: $399.00 Amazon
Pros: IP67 rated. 24 hour battery life (6.5 hour charge time). Doubles as a power bank. PartyBoost links up to 100 compatible JBL speakers. Three-way speaker system with subwoofer.
Cons: Dips in mid bass range which makes the bass sound undefined, bass boosted, peaky at 700hz, not quite as good mids and treble as the Blast.
| App | No |
|---|---|
| Aux Input | Yes |
| Aux Latency | 25ms |
| Bass Extension (-10dB) | 43Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 100ms |
| Built in Microphone | No |
| Dimensions | 48.2cm x 25.7cm x 20cm |
| Drivers | 1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters |
| EQ | No |
| FM Tuner | No |
| IP Rating | IP67 |
| Max Volume | 110dB |
| MicroSD Playback | No |
| Microphone Input | No |
| Output Power | 180W AC / 136W battery |
| Party Mode | Yes (PartyBoost up to 100 speakers) |
| Power Bank | Yes |
| Power Input | AC Power cable |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 14.8 lbs / 6.7 kg |
- Reviews, Comparisons and Sound Samples
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- Jay’s Straight Up Reviews & More: New! W-King X20 vs JBL Boombox 3 🛜 Head to Head 🔋Battery Powered 📊Custom EQ - Links In Description
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- Head-to-Head Comparisons
- Links
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Product prices and availability were last checked August 8, 2026 at 6:24 AM UTC 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.