Short answer: the Harman Kardon Luna if sound quality matters most, the JBL Charge 3 if price matters most. The Harman Kardon Luna ranks #22 of 136 medium speakers at $290.99. The JBL Charge 3 ranks #67 at $80, $210.99 cheaper.
What the Harman Kardon Luna offers: Pretty balanced sound besides the boosted bass. Watch for: Not stereo. Boosted bass, not as detailed as higher ranked speakers
What the JBL Charge 3 offers: Doubles as a 6000mAh power bank for USB devices. ~20 hour battery life. IPX7 rated; built-in noise/echo-cancelling speakerphone. Watch for: Less clarity than the Flip 4. Battery failures are common.
Buy the Harman Kardon Luna if sound quality matters more than the price. Buy the JBL Charge 3 if the price matters more than sound quality.
If battery life is a priority, the JBL Charge 3 is rated for 20 hours versus 12 hours for the Harman Kardon Luna.
Specifications Side By Side
| Harman Kardon Luna | JBL Charge 3 | |
|---|---|---|
| Price | $290.99 | $80 Discontinued |
| Ranked | #22 of 136 in Medium Size Portable Bluetooth Speakers | #67 of 136 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes (JBL Connect) |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 57Hz | 63Hz |
| Battery Life | 12 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | SBC |
| EQ | No | No |
| IP Rating | IP67 | IPX7 |
| MicroSD Playback | No | - |
| Power Input | USB-C | Micro USB |
| Stereo | No | - |
| Omnidirectional | No | No |
| TWS | Yes | - |
| USB Playback | Yes | - |
| Weight | 2.5 lbs / 1.13 kg | 1.8 lbs / 800 g |
| Bluetooth Version | 5.3 | 4.1 |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) | 8.4" x 3.5" x 3.5" (213 x 88 x 88 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter | 2x 50mm fullrange |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | 65Hz - 20kHz (Manufacturer specified) |
| Output Power | 40W | 20W RMS |
| Digital Aux Input | No | No |
| Max Volume | - | 100dB |
| Party Mode | - | Yes (Connect+ up to 100 speakers) |
| Power Bank | - | Yes (USB-A, 5V/2A) |
| Built in Microphone | - | Yes |
| Discontinued | - | Yes |
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Prices on this page were last checked August 27, 2026 at 10:09 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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The Two Speakers In Full
Harman Kardon Luna: $290.99 Amazon eBay
Pros: Pretty balanced sound besides the boosted bass.
Cons: Not stereo. Boosted bass, not as detailed as higher ranked speakers
Full Harman Kardon Luna review and specifications →
| App | No |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 57Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter |
| EQ | No |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| MicroSD Playback | No |
| Omnidirectional | No |
| Output Power | 40W |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 2.5 lbs / 1.13 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Oluv Patreon: Harman Kardon Luna - sound demo More from Oluv’Sone →
- Alan Ross Reviews: Beats Pill vs Harman Luna vs Bose Flex vs Soundcore Motion Plus More from alanrossreviews →
- Storytripper HD: Klipsch Nashville vs Harman Kardon Luna vs Soundcore Motion 300 More from storytripperhd →
- Reddit Search for Harman Kardon Luna Review
- Head-to-Head Comparisons
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- Harman Kardon Luna vs Tribit Xsound Mega
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- Harman Kardon Luna vs Xiaomi Sound Party
- Harman Kardon Luna vs B&O Beosound A1 3rd gen
- Harman Kardon Luna vs JBL Charge 5
- Harman Kardon Luna vs Soundcore Boom 3i
- Harman Kardon Luna vs JBL Flip 7
- See all 72 comparisons
JBL Charge 3: $80 Discontinued eBay
Pros: Doubles as a 6000mAh power bank for USB devices. ~20 hour battery life. IPX7 rated; built-in noise/echo-cancelling speakerphone.
Cons: Less clarity than the Flip 4. Battery failures are common. Discontinued.
Full JBL Charge 3 review and specifications →
| App | Yes (JBL Connect) |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 63Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.1 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 8.4" x 3.5" x 3.5" (213 x 88 x 88 mm) |
| Discontinued | Yes |
| Drivers | 2x 50mm fullrange |
| EQ | No |
| Frequency Response | 65Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 100dB |
| Omnidirectional | No |
| Output Power | 20W RMS |
| Party Mode | Yes (Connect+ up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/2A) |
| Power Input | Micro USB |
| Weight | 1.8 lbs / 800 g |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: JBL Charge 5 vs JBL Charge 4 and Charge 3 - best JBL charge 5 review 2021? More from alanrossreviews →
- Alan Ross Reviews: JBL Flip 6 vs JBL Charge 4 and JBL Charge 3 - small one or a large one? 🤷♂️
- DLX Willington: JBL Flip 5 vs Flip 4 :Sound Battle: Almost to the size of the JBL Charge 3? More from DLXWillington →
- EnforcerMan: JBL CHARGE 3 VS TREBLAB HD77 - FULL REVIEW
- Reddit Search for JBL Charge 3 Review
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