Short answer: the Ultimate Ears Hyperboom for better sound quality, the W-King T9 Pro for the lower price. The Ultimate Ears Hyperboom ranks #29 of 46 party speakers, rated 3.2/5, at $399.99. The W-King T9 Pro ranks #32, rated 3.0/5, at $171.49, $228.50 cheaper.
The Ultimate Ears Hyperboom is the longer-running, lighter choice. Strong audio performance with 2x 4.5” woofers, 2x 1” tweeters, 2x passive radiators. It is rated for 24 hours of battery against 12 for the W-King T9 Pro. At 13 lbs (5.9 kg) it weighs noticeably less than the W-King T9 Pro at 20 lbs (9.05 kg). It links with other speakers (PartyUp up to 50 speakers), which the W-King T9 Pro cannot. Watch for: Very expensive for what it does, a bit dull and muddy sound.
What the W-King T9 Pro does well: A feature-rich rolling party speaker with dual 6.5-inch woofers, removable battery, TWS pairing, bass presets and music-synced lighting. Watch for: Reviewer comparisons describe the tuning as warm and gritty rather than clean or detailed.
Buy the Ultimate Ears Hyperboom if sound quality is the priority over the price, or the W-King T9 Pro if the price is the priority over sound quality.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Ultimate Ears Hyperboom | W-King T9 Pro | |
|---|---|---|
| Price | $399.99 | $171.49 |
| Ranked | #29 of 46 in Party Size Portable Bluetooth Speakers | #32 of 46 in Party Size Portable Bluetooth Speakers |
| App | No | No |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 55Hz | - |
| Battery Life | 24 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 5.0 | 5.3 |
| Charging Time | 2.6 hours | 4 hours |
| Dimensions | 7.5” x 7.5” x 14.3” (190 x 190 x 364 mm) | 10.8” x 10.1” x 21.1” (274 x 255.7 x 535.5 mm) |
| Drivers | 2x 5.66” woofers, 2x 0.98” tweeters, passive radiators | 2x 6.5” woofers, 2x 2.5” tweeters |
| EQ | No | No |
| IP Rating | None | None |
| Party Mode | Yes (PartyUp up to 50 speakers) | No |
| Power Bank | No | No |
| Power Input | AC Power brick | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | No | No |
| USB Playback | No | Yes |
| Weight | 13 lbs (5.9 kg) | 20 lbs (9.05 kg) |
| Digital Aux Input | No | No |
| Strap | No | - |
| Frequency Response | - | 50Hz - 20kHz (Manufacturer specified) |
| Amplifier Power | - | 250W (peak) |
| Lights | - | Yes |
| Wheels | - | Yes |
Related Speaker Comparisons
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- Sony ULT Tower 7 vs Ultimate Ears Hyperboom
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- JBL Partybox Stage 320 vs Ultimate Ears Hyperboom
- JBL Partybox 310 vs Ultimate Ears Hyperboom
- Sony ULT Tower 5 vs Ultimate Ears Hyperboom
Prices on this page were last checked October 12, 2026 at 4:13 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
Ultimate Ears Hyperboom: $399.99 Amazon $399.99 Ultimate Ears $399.99 eBay
Pros: Strong audio performance with 2x 4.5” woofers, 2x 1” tweeters, 2x passive radiators. Up to 24 hours battery at 50% volume (3 hours at max). Adaptive bass compensation for wall-reflective environments. Dual Bluetooth pairing, aux and optical inputs, USB-out for device charging. IPX4 splash-proof. Sliding rubber handle and compact square design. Measured bass extension of 55Hz (-10dB).
Cons: Very expensive for what it does, a bit dull and muddy sound. Not as loud as others in the class. Bass not as deep as a JBL Partybox 100. External power brick for charging.
Full Ultimate Ears Hyperboom review and specifications →
| Released | Mar 2020 (6 years ago) |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 55Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.0 |
| Charging Time | 2.6 hours |
| Digital Aux Input | No |
| Dimensions | 7.5” x 7.5” x 14.3” (190 x 190 x 364 mm) |
| Drivers | 2x 5.66” woofers, 2x 0.98” tweeters, passive radiators |
| EQ | No |
| IP Rating | None |
| Omnidirectional | No |
| Party Mode | Yes (PartyUp up to 50 speakers) |
| Power Bank | No |
| Power Input | AC Power brick |
| Stereo | Yes |
| Strap | No |
| TWS | No |
| USB Playback | No |
| Weight | 13 lbs (5.9 kg) |
- Links
- Reviews, Comparisons and Sound Samples
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- See all 37 comparisons
W-King T9 Pro: $171.49 AliExpress $171.49 eBay
Pros: A feature-rich rolling party speaker with dual 6.5-inch woofers, removable battery, TWS pairing, bass presets and music-synced lighting. The swappable battery is especially useful for long events, and its strong output gives it much more headroom than compact Bluetooth speakers.
Cons: Reviewer comparisons describe the tuning as warm and gritty rather than clean or detailed. Its claimed output figures should not be mistaken for neutral sound quality, and a large cabinet with no stated water rating is a poor fit for wet outdoor use.
Full W-King T9 Pro review and specifications →
| Released | Feb 2024 (2 years ago) |
|---|---|
| Amplifier Power | 250W (peak) |
| App | No |
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Charging Time | 4 hours |
| Digital Aux Input | No |
| Dimensions | 10.8” x 10.1” x 21.1” (274 x 255.7 x 535.5 mm) |
| Drivers | 2x 6.5” woofers, 2x 2.5” tweeters |
| EQ | No |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | None |
| Lights | Yes |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | No |
| USB Playback | Yes |
| Weight | 20 lbs (9.05 kg) |
| Wheels | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons