Short answer: the W-King T9. It ranks #38 of 77 large speakers by sound quality at $130; the Sony ULT Field 5 ranks #41 and costs $198, so there is little reason to consider the other one.
What the W-King T9 offers: 80W output power, 106dB max volume, 24-hour battery life, power bank function, Bluetooth 5.3 with 100ft range, TWS stereo pairing with wireless microphone, dual subwoofers, RGB lighting, MicroSD and AUX support, USB-C charging, karaoke capability Watch for: Peaks in the upper mids which makes it sound a bit harsh.
What the Sony ULT Field 5 offers: IP67 rated, dustproof and water resistant. 25 hour battery life. App with 10-band EQ. Party Connect with up to 100 speakers. USB-C in/out for charging your phone. Watch for: Bass not as deep as others in the category, and sound quality overall is just okay. ULT button makes a really loud tone when pressed. Just an okay speaker.
Buy the W-King T9. It ranks higher for sound quality than the Sony ULT Field 5 and costs less, which settles it without a real tradeoff to make.
Water resistance is not close: the Sony ULT Field 5 is rated at IP67 (brief submersion), well ahead of the W-King T9 at no water resistance.
Specifications Side By Side
| W-King T9 | Sony ULT Field 5 | |
|---|---|---|
| Price | $130 | $198 |
| Ranked | #38 of 77 in Large Size Portable Bluetooth Speakers | #41 of 77 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 47Hz | - |
| Battery Life | 24 hours (Manufacturer specified) | 25 hours (Manufacturer specified) |
| IP Rating | None | IP67 |
| Max Volume | 106dB | - |
| MicroSD Playback | Yes | - |
| Power Bank | Yes (USB-A) | Yes (USB-C) |
| TWS | Yes | Yes |
| Weight | 10.1 lbs / 4.6 kg | 7.3 lbs / 3.3 kg |
| App | No | Yes |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| Built in Microphone | Yes | Yes |
| EQ | No | Yes (App + ULT button) |
| Party Mode | No | Yes (Party Connect up to 100 speakers) |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| Bluetooth Version | 5.3 | 5.3 |
| Output Power | 80W | 27W |
| Dimensions | 11.8" x 5.9" x 4.7" (300 x 150 x 120 mm) | 12.6" x 5.7" x 4.9" (320 x 144 x 125 mm) |
| Drivers | 2x 4.04" subwoofers + drivers | 2x 46mm tweeters + 1x 79mm x 107mm 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
W-King T9: $130 Amazon Aliexpress eBay
Pros: 80W output power, 106dB max volume, 24-hour battery life, power bank function, Bluetooth 5.3 with 100ft range, TWS stereo pairing with wireless microphone, dual subwoofers, RGB lighting, MicroSD and AUX support, USB-C charging, karaoke capability
Cons: Peaks in the upper mids which makes it sound a bit harsh.
Full W-King T9 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 47Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.8" x 5.9" x 4.7" (300 x 150 x 120 mm) |
| Drivers | 2x 4.04" subwoofers + drivers |
| EQ | No |
| IP Rating | None |
| Max Volume | 106dB |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Output Power | 80W |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 10.1 lbs / 4.6 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: W-King t9 party speaker vs Soundcore Rave Neo and Trance (Rave Mega) 🥳 More from alanrossreviews →
- Alan Ross Reviews: W-King T9 or Soundcore Motion Boom - King vs World Champion! 👌
- Jay’s Straight Up Reviews & More: W-King T9 🆚 ONN Large Party Speaker -By Request for Big Tee. Can the Smaller T9 Hang With The ONN? More from JaysStraightUpReviews →
- Reddit Search for W-King T9 Review
- Head-to-Head Comparisons
Sony ULT Field 5: $198 Amazon eBay
Pros: IP67 rated, dustproof and water resistant. 25 hour battery life. App with 10-band EQ. Party Connect with up to 100 speakers. USB-C in/out for charging your phone.
Cons: Bass not as deep as others in the category, and sound quality overall is just okay. ULT button makes a really loud tone when pressed. Just an okay speaker.
Full Sony ULT Field 5 review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | 25 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 12.6" x 5.7" x 4.9" (320 x 144 x 125 mm) |
| Drivers | 2x 46mm tweeters + 1x 79mm x 107mm woofer |
| EQ | Yes (App + ULT button) |
| IP Rating | IP67 |
| Omnidirectional | No |
| Output Power | 27W |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 7.3 lbs / 3.3 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Danny Pops: Don’t TOUCH that ULT Button! Sony ULT Field 5 Review More from DannyPops →
- Mark Ellis Reviews: Sony just changed summer sound 🤨 | Sony ULT Field 5 & 3 Review
- Dominik Reviews: Sony ULT Field 5 vs JBL Xtreme 4 - Outdoor Sound Test - Sony shines or not? More from Dominik Reviews →
- Joy & Oluv’Sone: Sony ULT Field 5 vs Anker SoundCore Boom 2 - listening test More from Oluv’Sone →
- Reddit Search for Sony ULT Field 5 Review
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