Short answer: the Harman Kardon Luna for better sound quality, the Sony SRS-XB30 for the lower price. The Harman Kardon Luna ranks #22 of 136 medium speakers at $290.99. The Sony SRS-XB30 ranks #104 at $199, $91.99 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 Sony SRS-XB30 offers: IPX5 rated. Doubles as a power bank for charging your phone. Long claimed battery life (up to 24 hours at moderate volume). Watch for: Muffled sound, worse than a XB20
Buy the Harman Kardon Luna if sound quality matters more than the price. Buy the Sony SRS-XB30 if the price matters more than sound quality.
Skip the Sony SRS-XB30 if sound quality matters to you. It ranks near the bottom of the 136 medium speakers.
Battery life favors the Sony SRS-XB30: rated for 24 hours against 12 hours for the Harman Kardon Luna.
Specifications Side By Side
| Harman Kardon Luna | Sony SRS-XB30 | |
|---|---|---|
| Price | $290.99 | $199 |
| Ranked | #22 of 136 in Medium Size Portable Bluetooth Speakers | #104 of 136 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes (Sony Music Center) |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 57Hz | 55Hz |
| Battery Life | 12 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| EQ | No | - |
| IP Rating | IP67 | IPX5 |
| MicroSD Playback | No | - |
| Power Input | USB-C | Micro USB |
| Stereo | No | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | - |
| Weight | 2.5 lbs / 1.13 kg | 2.2 lbs / 1000 g |
| Bluetooth Version | 5.3 | 4.2 |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) | 9" x 3.2" x 3.4" (228 x 82 x 86 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter | 2x 48mm full-range drivers + 2x passive radiators |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| Output Power | 40W | 20W |
| Digital Aux Input | No | No |
| Party Mode | - | Yes (Partychain up to 100 speakers) |
| Built in Microphone | - | Yes |
| Max Volume | - | 95dB |
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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
Sony SRS-XB30: $199 eBay
Pros: IPX5 rated. Doubles as a power bank for charging your phone. Long claimed battery life (up to 24 hours at moderate volume).
Cons: Muffled sound, worse than a XB20
Full Sony SRS-XB30 review and specifications →
| App | Yes (Sony Music Center) |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 55Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 4.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9" x 3.2" x 3.4" (228 x 82 x 86 mm) |
| Drivers | 2x 48mm full-range drivers + 2x passive radiators |
| IP Rating | IPX5 |
| Max Volume | 95dB |
| Omnidirectional | No |
| Output Power | 20W |
| Party Mode | Yes (Partychain up to 100 speakers) |
| Power Input | Micro USB |
| Stereo | Yes |
| TWS | Yes |
| Weight | 2.2 lbs / 1000 g |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Sony SRS-XB30 vs Soundcore Flare 2
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- See all 72 comparisons