Short answer: the Harman Kardon Luna if sound quality matters most, the Sony SRS-XE300 if price matters most. The Harman Kardon Luna ranks #22 of 136 medium speakers at $290.99. The Sony SRS-XE300 ranks #92 at $137, $153.99 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-XE300 offers: IP67 rated. Orientation-aware playback switches to stereo when laid flat. Party Connect links up to 100 speakers; fast charging (10 min charge = ~70 min playback). Watch for: Muffled sounding, not very deep bass. Hollow sounding. Worse than a XB43
Buy the Harman Kardon Luna if sound quality matters more than the price. Buy the Sony SRS-XE300 if the price matters more than sound quality.
If battery life is a priority, the Sony SRS-XE300 is rated for 24 hours versus 12 hours for the Harman Kardon Luna.
Specifications Side By Side
| Harman Kardon Luna | Sony SRS-XE300 | |
|---|---|---|
| Price | $290.99 | $137 |
| Ranked | #22 of 136 in Medium Size Portable Bluetooth Speakers | #92 of 136 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes (Sony Music Center) |
| Aux Input | No | No |
| Bass Extension (-10dB) | 57Hz | - |
| Battery Life | 12 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| EQ | No | Yes (via app) |
| IP Rating | IP67 | IP67 |
| MicroSD Playback | No | - |
| Power Input | USB-C | USB-C |
| Stereo | No | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | - |
| Weight | 2.5 lbs / 1.13 kg | 2.9 lbs / 1.3 kg |
| Bluetooth Version | 5.3 | 5.2 |
| Dimensions | 8.3" x 3.1" x 3.1" (210 x 78 x 80 mm) | 9.4" x 4.1" x 4.7" (238 x 105 x 119 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter | 2x 49x71mm X-Balanced speaker units + 2x passive radiators |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| Output Power | 40W | 16W |
| Digital Aux Input | No | No |
| Party Mode | - | Yes (Party Connect up to 100 speakers) |
| Built in Microphone | - | Yes |
| Power Bank | - | No |
Related Speaker Comparisons
Other pairings from the same speaker class worth checking:
- JBL Charge 6 vs DBSONO X-Blast F37
- JBL Partybox 110 vs Tribit Maxsound Plus V1/V2/Thunderbox Plus
- B&O Beosound A1 2nd gen vs Tribit Maxsound Plus V1/V2/Thunderbox Plus
- Harman Kardon Luna vs JBL Charge 5
- Xiaomi Sound Party vs Harman Kardon Luna
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.
As an eBay Partner, we may be compensated if you make a purchase.
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-XE300: $137 Amazon eBay
Pros: IP67 rated. Orientation-aware playback switches to stereo when laid flat. Party Connect links up to 100 speakers; fast charging (10 min charge = ~70 min playback).
Cons: Muffled sounding, not very deep bass. Hollow sounding. Worse than a XB43
Full Sony SRS-XE300 review and specifications →
| App | Yes (Sony Music Center) |
|---|---|
| Aux Input | No |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9.4" x 4.1" x 4.7" (238 x 105 x 119 mm) |
| Drivers | 2x 49x71mm X-Balanced speaker units + 2x passive radiators |
| EQ | Yes (via app) |
| IP Rating | IP67 |
| Omnidirectional | No |
| Output Power | 16W |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 2.9 lbs / 1.3 kg |
- Links
- Reviews, Comparisons and Sound Samples
- New Stuff TV: Sony SRS-XE300 vs JBL Charge 5
- DLX Willington: FINALLY! Sony SRS XG300, SRS XE300, & SRS XE200 Are Here. Binaural Sound Samples & First Impressions More from DLXWillington →
- GYMCADDY: Sony XE300 Review And Compared to Sony XB33 - A Muffled Mess More from GYMCADDY →
- GYMCADDY: JBL Charge 5 Vs Sony XE300 - How Can You Mess Up This Bad?
- Reddit Search for Sony SRS-XE300 Review
- Head-to-Head Comparisons
- Sony SRS-XE300 vs DBSONO X-Blast F37
- Sony SRS-XE300 vs Tribit Stormbox
- Sony SRS-XE300 vs Sony SRS-XB20
- Sony SRS-XE300 vs Klipsch Groove/Heritage Groove
- Sony SRS-XE300 vs Yamaha True X Speaker 1A
- Sony SRS-XE300 vs Ultimate Ears Boom 3
- Sony SRS-XE300 vs Ultimate Ears Boom 4
- Sony SRS-XE300 vs Ultimate Ears Wonderboom
- See all 72 comparisons