Short answer: the Harman Kardon Luna on measured sound quality, the JBL Charge 4 on price. The Harman Kardon Luna ranks #22 of 136 medium speakers at $290.99. The JBL Charge 4 ranks #50 at $119.95, $171.04 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 4 offers: Doubles as a power bank for charging phones/tablets. IPX7 rated and floats. ~20 hour battery life; wirelessly links with 100+ JBL Connect+ speakers. Watch for: Not stereo. 1 Oval driver. Boosted bass, top a little rolled off, warm sound. Not as loud as a Charge 3.
Buy the Harman Kardon Luna if sound quality is the priority over the price, or the JBL Charge 4 if the price is the priority over sound quality.
Battery life favors the JBL Charge 4: rated for 20 hours against 12 hours for the Harman Kardon Luna.
Specifications Side By Side
| Harman Kardon Luna | JBL Charge 4 | |
|---|---|---|
| Price | $290.99 | $119.95 Discontinued |
| Ranked | #22 of 136 in Medium Size Portable Bluetooth Speakers | #50 of 136 in Medium Size Portable Bluetooth Speakers |
| App | No | - |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 57Hz | 54Hz |
| Battery Life | 12 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | - |
| EQ | No | - |
| IP Rating | IP67 | IPX7 |
| MicroSD Playback | No | - |
| Power Input | USB-C | - |
| Stereo | No | No |
| Omnidirectional | No | No |
| TWS | Yes | No |
| USB Playback | Yes | - |
| Weight | 2.5 lbs / 1.13 kg | 2.1 lbs / 960 g |
| Bluetooth Version | 5.3 | 4.2 |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) | 8.7" x 3.7" x 3.7" (220 x 95 x 93 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter | 1x 51x89mm fullrange |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | 60Hz - 20kHz (Manufacturer specified) |
| Output Power | 40W | 30W RMS |
| Digital Aux Input | No | No |
| Bluetooth Latency | - | 330ms |
| Max Volume | - | 99dB |
| Party Mode | - | Yes (Connect+ up to 100 speakers) |
| Power Bank | - | Yes (USB-A, 5V/2A) |
| Discontinued | - | Yes |
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- B&O Beosound A1 2nd gen vs Tribit Maxsound Plus V1/V2/Thunderbox Plus
- Tribit Xsound Mega vs Harman Kardon Luna
- Harman Kardon Luna vs Bose Soundlink Mini
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
- Harman Kardon Luna vs Tribit Maxsound Plus V1/V2/Thunderbox Plus
- Harman Kardon Luna vs Tribit Xsound Mega
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- Harman Kardon Luna vs B&O Beosound A1 3rd gen
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JBL Charge 4: $119.95 Discontinued Amazon eBay
Pros: Doubles as a power bank for charging phones/tablets. IPX7 rated and floats. ~20 hour battery life; wirelessly links with 100+ JBL Connect+ speakers.
Cons: Not stereo. 1 Oval driver. Boosted bass, top a little rolled off, warm sound. Not as loud as a Charge 3. Discontinued.
Full JBL Charge 4 review and specifications →
| Aux Input | Yes |
|---|---|
| Bass Extension (-10dB) | 54Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Latency | 330ms |
| Bluetooth Version | 4.2 |
| Digital Aux Input | No |
| Dimensions | 8.7" x 3.7" x 3.7" (220 x 95 x 93 mm) |
| Discontinued | Yes |
| Drivers | 1x 51x89mm fullrange |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 99dB |
| Omnidirectional | No |
| Output Power | 30W RMS |
| Party Mode | Yes (Connect+ up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/2A) |
| Stereo | No |
| TWS | No |
| Weight | 2.1 lbs / 960 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 →
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- Flossy Carter: JBL Charge 5 vs JBL Charge 4 vs JBL Charge Essential More from FlossyCarter →
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- Alan Ross Reviews: LG Xboom Go PL7 vs JBL Charge 4 and Sony XB33 - best Bluetooth speaker?
- Reddit Search for JBL Charge 4 Review
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