Short answer: the Yeahbox Sonic Boom Ultra if sound quality matters most, the Soundcore Rave Party 2 if price matters most. The Yeahbox Sonic Boom Ultra ranks #10 of 75 boombox speakers at $349.20. The Soundcore Rave Party 2 ranks #44 at $129.99, $219.21 cheaper.
What the Yeahbox Sonic Boom Ultra offers: By far the loudest boombox tested against it, hitting 106-107dB, roughly 3-5dB louder than the JBL Boombox 4, Zealot ZE41, Tribit Stormbox Blast 2, W-King X20, and Hopestar A90/A95. The massive 6x9in racetrack woofer reaches audible bass down to around 30Hz on the Country EQ preset, and a teardown confirmed genuinely robust internals: a thick vented voice coil and a dedicated crossover output per driver. HDMI ARC input/output lets it double as a TV soundbar, a feature none of its direct competitors offer. Watch for: The 500W peak-power rating doesn’t fully hold up: it gets noisy above roughly 80-90% volume, and the midrange isn’t fully refined, sometimes sitting a touch too forward. The custom EQ in the app noticeably reduces bass output compared to the factory presets and doesn’t persist after the speaker powers off. No Auracast, no removable battery, a plastic handle with some flex, and heavy at 11kg (24lb) for $388. Most of the sound-quality coverage comes from enthusiast listening-test comparisons rather than independent measurement.
What the Soundcore Rave Party 2 offers: Soundcore Rave Party 2 uses 2x 4” (100mm) woofers + 2x 2” (50mm) tweeters. Its 4.6 kg, claimed 16 hours (Manufacturer specified) battery life, IPX4 protection, aux input and stereo playback make it a practical option for its intended room or portable use. Watch for: There is no companion app.
Buy the Yeahbox Sonic Boom Ultra if sound quality is the priority over the price, or the Soundcore Rave Party 2 if the price is the priority over sound quality.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Yeahbox Sonic Boom Ultra | Soundcore Rave Party 2 | |
|---|---|---|
| Price | $349.20 | $129.99 |
| Ranked | #10 of 75 in Boombox Size Portable Bluetooth Speakers | #44 of 75 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Battery Capacity | 45000mAh (Reviewer estimated) | - |
| Bluetooth Version | 6.0 | - |
| Dimensions | 23.4" x 9.8" x 12.3" (595 x 248 x 313 mm) | 7.5" x 7.8" x 15.7" (191 x 198 x 400 mm) |
| Drivers | 6x9in racetrack woofer (200W) + 2x 4.5in midrange (40W each) + 2x tweeters (20W each), true 3-way | 2x 4" (100mm) woofers + 2x 2" (50mm) tweeters |
| EQ | Yes (Country, Classic, and custom app EQ; custom settings don't persist after the app closes) | Yes (App EQ) |
| Inputs | HDMI ARC (in/out, usable as a TV soundbar), AUX in/out, USB drive, microSD, optional wired mic | - |
| IP Rating | IPX6 | IPX4 |
| MicroSD Playback | Yes | - |
| Amplifier Power | 320W RMS / 500W Peak | 80W RMS / 120W peak |
| Party Mode | No (TWS stereo pairing of 2 units only, no Auracast) | Yes (PartyCast 2.0 up to 100 speakers) |
| Power Input | USB-C (60W fast charging) | AC Power brick |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | No |
| Weight | 24.3 lbs (11 kg) | 10.1 lbs (4.6 kg) |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC |
| Lights | Yes | Yes |
| Battery Life | - | 16 hours (Manufacturer specified) |
| Microphone Input | - | Yes (Karaoke mode with reverb effect) |
| Power Bank | - | Yes (USB-A) |
| Built-in Microphone | - | No |
Related Speaker Comparisons
More worthwhile head-to-heads for Yeahbox Sonic Boom Ultra:
- Yeahbox Sonic Boom Ultra vs Tribit Stormbox Blast
- JBL Partybox Encore 2 vs Yeahbox Sonic Boom Ultra
- JBL Partybox Encore Essential 2 vs Yeahbox Sonic Boom Ultra
- Yeahbox Sonic Boom Ultra vs JBL Partybox Encore
- JBL Partybox Encore Essential vs Yeahbox Sonic Boom Ultra
Prices on this page were last checked September 16, 2026 at 12:41 AM 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
Yeahbox Sonic Boom Ultra: $349.20 Amazon eBay
Pros: By far the loudest boombox tested against it, hitting 106-107dB, roughly 3-5dB louder than the JBL Boombox 4, Zealot ZE41, Tribit Stormbox Blast 2, W-King X20, and Hopestar A90/A95. The massive 6x9in racetrack woofer reaches audible bass down to around 30Hz on the Country EQ preset, and a teardown confirmed genuinely robust internals: a thick vented voice coil and a dedicated crossover output per driver. HDMI ARC input/output lets it double as a TV soundbar, a feature none of its direct competitors offer.
Cons: The 500W peak-power rating doesn’t fully hold up: it gets noisy above roughly 80-90% volume, and the midrange isn’t fully refined, sometimes sitting a touch too forward. The custom EQ in the app noticeably reduces bass output compared to the factory presets and doesn’t persist after the speaker powers off. No Auracast, no removable battery, a plastic handle with some flex, and heavy at 11kg (24lb) for $388. Most of the sound-quality coverage comes from enthusiast listening-test comparisons rather than independent measurement.
Full Yeahbox Sonic Boom Ultra review and specifications →
| Amplifier Power | 320W RMS / 500W Peak |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Battery Capacity | 45000mAh (Reviewer estimated) |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 6.0 |
| Digital Aux Input | No |
| Dimensions | 23.4" x 9.8" x 12.3" (595 x 248 x 313 mm) |
| Drivers | 6x9in racetrack woofer (200W) + 2x 4.5in midrange (40W each) + 2x tweeters (20W each), true 3-way |
| EQ | Yes (Country, Classic, and custom app EQ; custom settings don't persist after the app closes) |
| IP Rating | IPX6 |
| Inputs | HDMI ARC (in/out, usable as a TV soundbar), AUX in/out, USB drive, microSD, optional wired mic |
| Lights | Yes |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Party Mode | No (TWS stereo pairing of 2 units only, no Auracast) |
| Power Input | USB-C (60W fast charging) |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 24.3 lbs (11 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Jagist reviews: Yeahbox Sonic Boom Ultra Vs Zealot Ze41!!! Battle Of Big Boys!!! 😜😜😜 More from Jagistreviews →
- Jagist reviews: Yeahbox Sonic Boom Ultra Vs Zealot Ze21!!! Battle Of The Deep Bass 🥳🥳🥳
- Jagist reviews: Yeahbox Sonic Boom Ultra Vs W-king X20!!! Old Vs New!!! 🫨🫨🫨
- Techder Audios: YEAHBOX Sonic Boom Ultra VS JBL Boombox 4 "IT BEATS THE KING!?😈😱" More from techderaudios →
- Jagist reviews: Yeahbox Sonic Boom Ultra Vs Tribit Stormbox Blast 2 Firmware 11!!! Holy Crap!!! 🤩🤩🤩
- Jagist reviews: Yeahbox Sonic Boom Ultra Vs Hopestar A95!!! Battle Of Big Boys!!!! 😘😘😘
- Jagist reviews: Yeahbox Sonic Boom Ultra!!! 💥 Unboxing And Review!!! Absolutely A Beast 💯 🥵🥵🥵
- Techder Audios: YEAHBOX Sonic Boom Ultra - Soundtest "DEEP SUBWOOFER LIKE PERFORMANCE!🔥"
- Audio y Mas: El Woofer Más GRANDE en un Altavoz, Yeahbox Sonic Boom Ultra
- Jagist reviews: Yeahbox Sonic Boom Ultra Bass Test!!! What A Beast!!! 😍😍😍
- brett levesque: Yeahbox sonic boom ultra hertz test
- Jagist reviews: Yeahbox Sonic Boom Ultra Hertz Test!!! How Low Will She Go??? 😛😛😛
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Soundcore Rave Party 2: $129.99 Amazon B&H Photo Video eBay
Pros: Soundcore Rave Party 2 uses 2x 4” (100mm) woofers + 2x 2” (50mm) tweeters. Its 4.6 kg, claimed 16 hours (Manufacturer specified) battery life, IPX4 protection, aux input and stereo playback make it a practical option for its intended room or portable use.
Cons: There is no companion app.
Full Soundcore Rave Party 2 review and specifications →
| Amplifier Power | 80W RMS / 120W peak |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 7.5" x 7.8" x 15.7" (191 x 198 x 400 mm) |
| Drivers | 2x 4" (100mm) woofers + 2x 2" (50mm) tweeters |
| EQ | Yes (App EQ) |
| IP Rating | IPX4 |
| Lights | Yes |
| Microphone Input | Yes (Karaoke mode with reverb effect) |
| Omnidirectional | No |
| Party Mode | Yes (PartyCast 2.0 up to 100 speakers) |
| Power Bank | Yes (USB-A) |
| Power Input | AC Power brick |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 10.1 lbs (4.6 kg) |
- Reviews, Comparisons and Sound Samples
- Jay’s Straight Up Reviews & More: Soundcore Rave Party 2 vs. Tribit Stormbox Blast - Bluetooth Speaker Basement ⚒ Battle More from JaysStraightUpReviews →
- Jay’s Straight Up Reviews & More: Soundcore Rave Party 2 🎇 & Rave Neo 2 🎉 Head to Head Off The Floor. A Family Battle❗️
- Jagist reviews: Soundcore Rave Party 2 Bass Test 😍 More from Jagistreviews →
- Jay’s Straight Up Reviews & More: Triple Threat 💸 $200 Challenge 🔋 Soundcore Rave Party 2, W-King H10, JBL Partybox Encore Essential
- Jay’s Straight Up Reviews & More: Soundcore Rave Party 2 🔥 Unboxing & Short Sound Demo. Is This The New Speaker To Beat Under $200?💵
- Flossy Carter: Soundcore Rave Neo 2 / Rave Party 2 - Affordable Party Speakers with RGB Lights More from FlossyCarter →
- Jay’s Straight Up Reviews & More: Skullcandy Barrel XT vs Soundcore Rave Party 2 (Stock & Custom EQ) 🛜 Battery Powered🔋Let’s Get It🧨
- Head-to-Head Comparisons
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