Short answer: the onn Pro X Large Boom Boombox, if you are buying new. The Teufel Boomster 2021 measures as well as it (#45 vs #43 of 89 boombox speakers, 3.4/5 vs 3.4/5) but is discontinued, so only consider it used; the onn Pro X Large Boom Boombox is still sold new at $199.
What the onn Pro X Large Boom Boombox does well: High rated power for the price at 180W RMS (540W peak). The tradeoff: Bass not as deep as higher ranked speakers like the JBL Boombox 3, JBL Boombox 4, or Tribit Stormbox Blast.
Why pick the Teufel Boomster 2021: Teufel Boomster 2021 uses 1x 110mm (4.3”) woofer + 2x 65mm midrange drivers + 2x 20mm tweeters. The tradeoff: There is no companion app.
Buy the onn Pro X Large Boom Boombox if you want one new; the Teufel Boomster 2021 is discontinued, so only look for it used.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| onn Pro X Large Boom Boombox | Teufel Boomster 2021 | |
|---|---|---|
| Price | $199.00 | €250 Discontinued |
| Ranked | #43 of 89 in Boombox Size Portable Bluetooth Speakers | #45 of 89 in Boombox Size Portable Bluetooth Speakers |
| Battery Life | 20 hours (Manufacturer specified) | 18 hours (Manufacturer specified) |
| IP Rating | IP67 | IPX7 |
| Amplifier Power | 180W RMS (540W peak) | 42W RMS |
| Weight | 17.2 lbs (7.8 kg) | 8.3 lbs (3.75 kg) |
| Dimensions | 20.1” x 10.3” x 9” (510 x 261 x 228 mm) | 14.6” x 7.1” x 5.8” (370 x 180 x 148 mm) |
| Drivers | 5 speakers | 1x 110mm (4.3”) woofer + 2x 65mm midrange drivers + 2x 20mm tweeters |
| Power Input | AC Power cord | USB-C |
| Removable Battery | No | - |
| Party Mode | Yes (Auracast) | No |
| Aux Input | Yes | Yes |
| Power Bank | Yes (USB-A, 5V/2A) | No |
| TWS | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.4 (Manufacturer specified) | 5.0 |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) | - |
| Omnidirectional | No | No |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC |
| Lights | Yes | - |
| Digital Aux Input | No | No |
| EQ | Yes (Bass Boost) | No |
| App | - | No |
| FM Tuner | - | Yes |
| Stereo | - | Yes |
| USB Playback | - | No |
| Built-in Microphone | - | No |
| Strap | - | No |
Related Speaker Comparisons
More worthwhile head-to-heads for onn Pro X Large Boom Boombox:
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- Zealot S89 vs onn Pro X Large Boom Boombox
Prices on this page were last checked September 29, 2026 at 3:43 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 Pro X Large Boom Boombox: $199.00 Walmart eBay
Pros: High rated power for the price at 180W RMS (540W peak). IP67 waterproof design for indoor and outdoor use. 20 hour battery life. 6 LED lighting modes. Party Mode supports multiple devices.
Cons: Bass not as deep as higher ranked speakers like the JBL Boombox 3, JBL Boombox 4, or Tribit Stormbox Blast. Frequency response isn’t as smooth as the top ranked speakers. Charges via AC cable rather than USB-C. Only available in the United States and Canada.
Full onn Pro X Large Boom Boombox review and specifications →
| Amplifier Power | 180W RMS (540W peak) |
|---|---|
| Aux Input | Yes |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.4 (Manufacturer specified) |
| Digital Aux Input | No |
| Dimensions | 20.1” x 10.3” x 9” (510 x 261 x 228 mm) |
| Drivers | 5 speakers |
| EQ | Yes (Bass Boost) |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| Lights | Yes |
| Omnidirectional | No |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-A, 5V/2A) |
| Power Input | AC Power cord |
| Removable Battery | No |
| TWS | Yes |
| Weight | 17.2 lbs (7.8 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- onn Pro X Large Boom Boombox vs JBL Authentics 300
- onn Pro X Large Boom Boombox vs W-King X20
- onn Pro X Large Boom Boombox vs Soundcore Boom 2 Plus
- onn Pro X Large Boom Boombox vs Zealot S95
- onn Pro X Large Boom Boombox vs LG Xboom Stage 301
- onn Pro X Large Boom Boombox vs Sony ULT Field 7
- onn Pro X Large Boom Boombox vs Tribit Stormbox Blast 2
- onn Pro X Large Boom Boombox vs Sony SRS-XG500
- See all 15 comparisons
Teufel Boomster 2021: €250 Discontinued eBay
Newer model: the Teufel Boomster 4, ranked higher, rated 3.4/5.
Pros: Teufel Boomster 2021 uses 1x 110mm (4.3”) woofer + 2x 65mm midrange drivers + 2x 20mm tweeters. Its 3.75 kg, claimed 18 hours (Manufacturer specified) battery life, IPX7 protection, aux input and stereo playback make it a practical option for its intended room or portable use.
Cons: There is no companion app. No EQ adjustment. Discontinued.
Full Teufel Boomster 2021 review and specifications →
| Amplifier Power | 42W RMS |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.0 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 14.6” x 7.1” x 5.8” (370 x 180 x 148 mm) |
| Drivers | 1x 110mm (4.3”) woofer + 2x 65mm midrange drivers + 2x 20mm tweeters |
| EQ | No |
| FM Tuner | Yes |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | No |
| TWS | Yes |
| USB Playback | No |
| Weight | 8.3 lbs (3.75 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Teufel Boomster 2021 vs Teufel Boomster 4
- Teufel Boomster 2021 vs B&O Beolit 20
- Teufel Boomster 2021 vs JBL Authentics 300
- Teufel Boomster 2021 vs JBL Boombox 2
- Teufel Boomster 2021 vs Teufel Boomster NG (2017)
- Teufel Boomster 2021 vs Soundcore Boom 2 Plus
- Teufel Boomster 2021 vs Sony ULT Field 7
- Teufel Boomster 2021 vs Soundcore Rave Party 2
- See all 26 comparisons