Short answer: the Harman Kardon Luna for better sound quality, the JBL Flip 4 for the lower price. The Harman Kardon Luna ranks #22 of 136 medium speakers at $290.99. The JBL Flip 4 ranks #63 at $70, $220.99 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 Flip 4 offers: Less bass than a Flip 5. Peaky lower treble. Watch for: Battery failures are common.
Buy the Harman Kardon Luna if sound quality matters more than the price. Buy the JBL Flip 4 if the price matters more than sound quality.
Specifications Side By Side
| Harman Kardon Luna | JBL Flip 4 | |
|---|---|---|
| Price | $290.99 | $70 Discontinued |
| Ranked | #22 of 136 in Medium Size Portable Bluetooth Speakers | #63 of 136 in Medium Size Portable Bluetooth Speakers |
| App | No | - |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 57Hz | 66Hz |
| Battery Life | 12 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | - |
| EQ | No | - |
| IP Rating | IP67 | IPX7 |
| MicroSD Playback | No | - |
| Power Input | USB-C | Micro USB |
| Stereo | No | - |
| Omnidirectional | No | No |
| TWS | Yes | No |
| USB Playback | Yes | - |
| Weight | 2.5 lbs / 1.13 kg | 1.1 lbs / 510 g |
| Bluetooth Version | 5.3 | 4.2 |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) | 6.9" x 2.8" x 2.6" (175 x 70 x 65 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter | 2x 40mm fullrange |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | 70Hz - 20kHz (Manufacturer specified) |
| Output Power | 40W | 16W RMS |
| Digital Aux Input | No | No |
| Bluetooth Latency | - | 300ms |
| Party Mode | - | Yes (Connect+ up to 100 speakers) |
| Discontinued | - | Yes |
| Max Volume | - | 92dB |
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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
- Harman Kardon Luna vs Tribit Maxsound Plus V1/V2/Thunderbox Plus
- Harman Kardon Luna vs Tribit Xsound Mega
- Harman Kardon Luna vs JBL Charge 5 Wifi
- 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 Flip 4: $70 Discontinued Amazon eBay
Pros: Less bass than a Flip 5. Peaky lower treble.
Cons: Battery failures are common. Discontinued.
Full JBL Flip 4 review and specifications →
| Aux Input | Yes |
|---|---|
| Bass Extension (-10dB) | 66Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Latency | 300ms |
| Bluetooth Version | 4.2 |
| Digital Aux Input | No |
| Dimensions | 6.9" x 2.8" x 2.6" (175 x 70 x 65 mm) |
| Discontinued | Yes |
| Drivers | 2x 40mm fullrange |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 92dB |
| Omnidirectional | No |
| Output Power | 16W RMS |
| Party Mode | Yes (Connect+ up to 100 speakers) |
| Power Input | Micro USB |
| TWS | No |
| Weight | 1.1 lbs / 510 g |
- Links
- Reviews, Comparisons and Sound Samples
- DLX Willington: JBL Flip 5 vs Flip 4 :Sound Battle: Almost to the size of the JBL Charge 3? More from DLXWillington →
- GYMCADDY: Best $100 Speaker? JBL Flip 4 Vs Sony XB20 Vs UE WONDERBOOM Vs Altec Mini Lifejacket 2 More from GYMCADDY →
- GYMCADDY: Best $100 Speaker? JBL Flip 4 Vs Sony XB20 Vs UE WONDERBOOM Vs Altec Mini Lifejacket 2
- Reddit Search for JBL Flip 4 Review
- Head-to-Head Comparisons