Short answer: the Harman Kardon Onyx Studio 8. It ranks #10 of 73 boombox speakers by sound quality at $159.99; the Sony SRS-XG500 ranks #45 and costs $349, which makes this an easy call rather than a real tradeoff.
What the Harman Kardon Onyx Studio 8 offers: Warm sound with boosted bass. Watch for: Not as loud as others. No water rating.
What the Sony SRS-XG500 offers: 30 hour battery life; 10-min quick-charge gives 3 hours. Battery care function stops charging at 90% to extend longevity. IP66 water/dust resistant. Two USB-A ports (one charges devices), mic/guitar inputs, AUX. Party mode links 100+ speakers. Watch for: Thuddy upper bass, not as deep bass as others. Speaker will not remain at max volume and will turn itself down automatically.
Buy the Harman Kardon Onyx Studio 8. It ranks higher for sound quality than the Sony SRS-XG500 and costs less, so there is no real case for the other one.
If battery life is a priority, the Sony SRS-XG500 is rated for 30 hours versus 8 hours for the Harman Kardon Onyx Studio 8.
There is a real gap in water resistance: the Sony SRS-XG500 at IP66 (powerful water jets) against the Harman Kardon Onyx Studio 8, which has no water resistance.
Specifications Side By Side
| Harman Kardon Onyx Studio 8 | Sony SRS-XG500 | |
|---|---|---|
| Price | $159.99 | $349.00 |
| Ranked | #10 of 73 in Boombox Size Portable Bluetooth Speakers | #45 of 73 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Aux Latency | 42ms | - |
| Bass Extension (-10dB) | 35Hz | 49Hz |
| Battery Life | 8 hours (Manufacturer specified) | 30 hours (Manufacturer specified) |
| Built in Microphone | Yes | Yes |
| IP Rating | None | IP66 |
| Bluetooth Latency | 175ms | - |
| Max Volume | 96dB | - |
| Power Input | DC Barrel Connector (19V/2.1A) | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 7.3 lbs / 3.3 kg | 12.3 lbs / 5.6 kg |
| App | Yes (Harman Kardon One app) | Yes (Music Center, Fiestable) |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| Power Bank | No | Yes (USB-A, 5V/1.5A) |
| EQ | Yes (App EQ) | Yes (App + ClearAudio+) |
| Party Mode | No | Yes (Party Connect up to 100 speakers) |
| USB Playback | No | Yes |
| Bluetooth Version | 5.2 | 5.0 |
| Output Power | 50W RMS | 2x 25W + 2x 10W |
| Dimensions | 10.6" x 11.9" x 6.3" (268 x 302.5 x 159.5 mm) | 18.1" x 10.1" x 8.5" (460 x 256 x 215 mm) |
| Drivers | 2x 75mm woofers + 2x 20mm tweeters | 2x 30mm tweeters + 2x 40mm mid-range + 1x 60mm woofer |
| Digital Aux Input | No | No |
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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 Onyx Studio 8: $159.99 Amazon eBay
Pros: Warm sound with boosted bass.
Cons: Not as loud as others. No water rating.
Full Harman Kardon Onyx Studio 8 review and specifications →
| App | Yes (Harman Kardon One app) |
|---|---|
| Aux Input | Yes |
| Aux Latency | 42ms |
| Bass Extension (-10dB) | 35Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 175ms |
| Bluetooth Version | 5.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 10.6" x 11.9" x 6.3" (268 x 302.5 x 159.5 mm) |
| Drivers | 2x 75mm woofers + 2x 20mm tweeters |
| EQ | Yes (App EQ) |
| IP Rating | None |
| Max Volume | 96dB |
| Omnidirectional | No |
| Output Power | 50W RMS |
| Party Mode | No |
| Power Bank | No |
| Power Input | DC Barrel Connector (19V/2.1A) |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 7.3 lbs / 3.3 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Harman Kardon Onyx Studio 8 review - part 2 of 3 More from alanrossreviews →
- Alan Ross Reviews: Onyx Studio 8 vs HK Onyx 6, Xtreme 3, PartyBox Encore, Go+ Play, Bag of Riddim! part 3 of 3
- Alan Ross Reviews: Dead room vs Live room - Onyx studio 8 self tuning test! part 1 of 3
- Alan Ross Reviews: Ultimate HK Onyx Studio speaker review and comparison! 8 speakers!
- Reddit Search for Harman Kardon Onyx Studio 8 Review
- Head-to-Head Comparisons
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Sony SRS-XG500: $349.00 Amazon eBay
Pros: 30 hour battery life; 10-min quick-charge gives 3 hours. Battery care function stops charging at 90% to extend longevity. IP66 water/dust resistant. Two USB-A ports (one charges devices), mic/guitar inputs, AUX. Party mode links 100+ speakers.
Cons: Thuddy upper bass, not as deep bass as others. Speaker will not remain at max volume and will turn itself down automatically.
Full Sony SRS-XG500 review and specifications →
| App | Yes (Music Center, Fiestable) |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 49Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.0 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 18.1" x 10.1" x 8.5" (460 x 256 x 215 mm) |
| Drivers | 2x 30mm tweeters + 2x 40mm mid-range + 1x 60mm woofer |
| EQ | Yes (App + ClearAudio+) |
| IP Rating | IP66 |
| Omnidirectional | No |
| Output Power | 2x 25W + 2x 10W |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/1.5A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 12.3 lbs / 5.6 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Jay’s Straight Up Reviews & More: Tribit Stormbox Blast 🆚 Sony SRS-XG500 - Tailgater Special - Battery Powered ☢️ Bass Boost Enabled. More from JaysStraightUpReviews →
- Jagist reviews: Tribit Stormbox Blast vs Sony SRS XG 500 More from Jagistreviews →
- DLX Willington: Sony SRS-XG500 vs JBL Encore Essential Sound Battle More from DLXWillington →
- Reddit Search for Sony SRS-XG500 Review
- Head-to-Head Comparisons
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- See all 47 comparisons