Short answer: the Onn XL Wireless Party Speaker. It ranks #11 of 46 party speakers by sound quality (rated 4.1/5) at $249 and is still sold new; the Diamondboxx L2 ranks #33 (rated 2.9/5) and is discontinued, so it is only an option used.
The Onn XL Wireless Party Speaker is the better-sounding, tougher option. A compelling all-in-one party and karaoke package: dual 8-inch woofers, 240W claimed output, two included wireless microphones, dual mic/guitar inputs, karaoke effects and USB-A phone charging. It is rated IPX4, while the Diamondboxx L2 has no water resistance. It has an adjustable EQ, which the Diamondboxx L2 lacks. The tradeoff: Sound favors punch and a forward/bright top end over refinement.
The Diamondboxx L2 is the longer-running, lighter option. High-fidelity Class A/B amps with good bass response and clear sound at all volumes. It is rated for 48 hours of battery against 16 for the Onn XL Wireless Party Speaker. At 24.3 lbs (11 kg) it weighs much less than the Onn XL Wireless Party Speaker at 44 lbs (19.96 kg). The tradeoff: Boomyness in the 100Hz region.
Buy the Onn XL Wireless Party Speaker. It is rated higher for sound quality, and the Diamondboxx L2 is discontinued, so it is only available used.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Onn XL Wireless Party Speaker | Diamondboxx L2 | |
|---|---|---|
| Price | $249.00 | $1,000 Discontinued |
| Ranked | #11 of 46 in Party Size Portable Bluetooth Speakers | #33 of 46 in Party Size Portable Bluetooth Speakers |
| Weight | 44 lbs (19.96 kg) | 24.3 lbs (11 kg) |
| Dimensions | 30.1”H x 15.7”W x 15.5”D (765.0 x 400.0 x 392.9 mm) | 23” x 14.5” x 9.5” (584.2 x 368.3 x 241.3 mm) |
| Drivers | Dual 8” (203mm) woofers + dual 2” (51mm) tweeters | 5.5” woofer, 1” tweeter |
| Amplifier Power | 240W | 260W RMS |
| Battery Life | 16 hours (Manufacturer specified) | 6-48 hours (Manufacturer specified) |
| IP Rating | IPX4 | None |
| Microphone Input | Yes (2 inputs, karaoke mode) | - |
| Wireless Microphones | Yes 2 Included | - |
| Guitar Input | Yes | - |
| Power Input | AC Power cord | AC Power brick |
| Power Bank | Yes (USB-A) | No |
| Aux Input | Yes | Yes |
| Removable Battery | No | - |
| Omnidirectional | No | No |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | aptX HD, SBC |
| Lights | Yes | - |
| Wheels | Yes | - |
| App | Yes | No |
| EQ | Yes | No |
| Stereo | Yes | Yes |
| TWS | Yes | No |
| Digital Aux Input | No | No |
| Strap | No | - |
| Bluetooth Version | - | 4.2 |
| Charging Time | - | 9 hours |
| Frequency Response | - | 40Hz - 22kHz (Manufacturer specified) |
| Party Mode | - | No |
| USB Playback | - | No |
Related Speaker Comparisons
How Onn XL Wireless Party Speaker compares with other leading options:
- Onn XL Wireless Party Speaker vs Sony ULT Tower 7
- JBL Partybox 330 vs Onn XL Wireless Party Speaker
- Onn XL Wireless Party Speaker vs JBL Partybox Stage 320
- JBL Partybox 310 vs Onn XL Wireless Party Speaker
- Onn XL Wireless Party Speaker vs Sony ULT Tower 5
Prices on this page were last checked October 15, 2026 at 5:41 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
Onn XL Wireless Party Speaker: $249.00 Walmart $249.00 eBay
Pros: A compelling all-in-one party and karaoke package: dual 8-inch woofers, 240W claimed output, two included wireless microphones, dual mic/guitar inputs, karaoke effects and USB-A phone charging. It plays loudly enough for backyard use and has punchy bass; owners especially like the wheels, telescoping handle and colorful light effects. At 44 lb it is still a substantial cabinet, but the trolley design makes moving it far easier than carrying it.
Cons: Sound favors punch and a forward/bright top end over refinement. Independent comparisons and owner reports find the bass less deep and the overall balance less satisfying than the JBL PartyBox 320; several consider the far-cheaper Onn Large Party gen 2 the better sound-per-dollar buy. Some owners report distortion or static at high volume, and a few report wireless-mic pairing/dropout problems. Large (30 inches tall, 44 lb) and only IPX4 splash-resistant, not a speaker to leave out in rain.
Full Onn XL Wireless Party Speaker review and specifications →
| Released | Jul 2026 (3 months ago) |
|---|---|
| Amplifier Power | 240W |
| App | Yes |
| Aux Input | Yes |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Digital Aux Input | No |
| Dimensions | 30.1”H x 15.7”W x 15.5”D (765.0 x 400.0 x 392.9 mm) |
| Drivers | Dual 8” (203mm) woofers + dual 2” (51mm) tweeters |
| EQ | Yes |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Lights | Yes |
| Microphone Input | Yes (2 inputs, karaoke mode) |
| Omnidirectional | No |
| Power Bank | Yes (USB-A) |
| Power Input | AC Power cord |
| Removable Battery | No |
| Stereo | Yes |
| Strap | No |
| TWS | Yes |
| Weight | 44 lbs (19.96 kg) |
| Wheels | Yes |
| Wireless Microphones | Yes 2 Included |
- Links
- Reviews, Comparisons and Sound Samples
- Jay’s Straight Up Reviews & More: ONN XL Party Speaker Review & Demo 😲 Is This The Next Big Thing In Party/Karaoke Speakers? More from JaysStraightUpReviews →
- Jay’s Straight Up Reviews & More: ONN XL Party Speaker vs JBL Partybox 320. Outdoors, Battery Powered.
- Jay’s Straight Up Reviews & More: ONN XL Party Speaker vs. Two Large Gen. 2 Party Speakers. ONN With The Showdown🔌 Plugged In
- Head-to-Head Comparisons
- Onn XL Wireless Party Speaker vs JBL Partybox 300
- Onn XL Wireless Party Speaker vs Zealot PT21
- Onn XL Wireless Party Speaker vs JBL Partybox 110
- Onn XL Wireless Party Speaker vs JBL Partybox 100
- Onn XL Wireless Party Speaker vs Sony SRS-XP700
- Onn XL Wireless Party Speaker vs JBL Partybox 130
- Onn XL Wireless Party Speaker vs Sony SRS-XP500
- Onn XL Wireless Party Speaker vs JBL Partybox Club 120
- See all 67 comparisons
Diamondboxx L2: $1,000 Discontinued eBay
Pros: High-fidelity Class A/B amps with good bass response and clear sound at all volumes. Fills large spaces at under 50% volume, comparable to medium bookshelf speakers. Stable bass response even at 15-20% volume. 6-48 hours battery on 400+ watts (9 hours full recharge). Built-in 2.1A USB power for charging devices. Over 1000 recharge cycles.
Cons: Boomyness in the 100Hz region. Gets distorted. Too much treble. Too expensive. Discontinued.
Full Diamondboxx L2 review and specifications →
| Amplifier Power | 260W RMS |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 6-48 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | aptX HD, SBC |
| Bluetooth Version | 4.2 |
| Charging Time | 9 hours |
| Digital Aux Input | No |
| Dimensions | 23” x 14.5” x 9.5” (584.2 x 368.3 x 241.3 mm) |
| Drivers | 5.5” woofer, 1” tweeter |
| EQ | No |
| Frequency Response | 40Hz - 22kHz (Manufacturer specified) |
| IP Rating | None |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | No |
| Power Input | AC Power brick |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 24.3 lbs (11 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.
- Head-to-Head Comparisons