Short answer: the Marshall Stockwell 2 for better sound quality, the onn Portable FM Boombox for the lower price. The Marshall Stockwell 2 ranks #11 of 78 large speakers at $229.99. The onn Portable FM Boombox ranks #23 at $74.83, $155.16 cheaper.
What the Marshall Stockwell 2 offers: Marshall Stockwell 2 uses 3” woofer, 2x 2” fullrange tweeters. Its 1.4 kg, claimed 20 hours (Manufacturer specified) battery life, IPX4 protection, aux input, up to 96dB and mono playback make it a practical option for its intended room or portable use. Watch for: Bass is limited by its 44Hz specification. There is no companion app. No EQ adjustment.
What the onn Portable FM Boombox offers: Extremely good value. Reasonably deep bass, though not as deep as something like the JBL Xtreme 3, Soundcore Boom 2, or Tribit Stormbox Lava. IPX7 waterproof and floats. FM radio with 10 presets. 6 multicolor LED lighting effects. Can run on battery or corded power. Watch for: Reasonable frequency response, but not quite as smooth as some of the top-ranked speakers in this size. No custom EQ. Only available in the United States and Canada.
Buy the Marshall Stockwell 2 when sound quality outweighs the price for you, and the onn Portable FM Boombox when the price outweighs sound quality instead.
There is a real gap in water resistance: the onn Portable FM Boombox at IPX7 (brief submersion) against the Marshall Stockwell 2, which has IPX4 (splashing).
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Marshall Stockwell 2 | onn Portable FM Boombox | |
|---|---|---|
| Price | $229.99 | $74.83 |
| Ranked | #11 of 78 in Large Size Portable Bluetooth Speakers | #23 of 78 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 44Hz | - |
| Battery Life | 20 hours (Manufacturer specified) | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | SBC (inferred; additional codecs unverified) |
| IP Rating | IPX4 | IPX7 |
| Bluetooth Latency | 50ms | - |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) | - |
| Party Mode | No | Yes (Party Sync, pairs with 1 other onn. speaker) |
| Power Input | USB-C | USB-C |
| Stereo | No | - |
| Omnidirectional | Yes | No |
| TWS | No | Yes |
| Weight | 3.1 lbs (1.4 kg) | 4.9 lbs (2.22 kg) |
| App | No | No |
| Built-in Microphone | Yes | Yes |
| EQ | No | No |
| Power Bank | No | Yes (USB-A) |
| Bluetooth Version | 5.0 | - |
| Dimensions | 7.1" x 6.3" x 2.8" (180 x 161 x 70 mm) | 13.8" x 5.9" x 7.7" (350 x 149 x 195 mm) |
| Drivers | 3" woofer, 2x 2" fullrange tweeters | 2 speakers |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 20W | 25W RMS (100W peak) |
| Digital Aux Input | No | No |
| FM Tuner | - | Yes (10 presets) |
| Removable Battery | - | No |
| Discontinued | - | No |
| Lights | - | Yes |
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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
Marshall Stockwell 2: $229.99 Amazon eBay
Pros: Marshall Stockwell 2 uses 3” woofer, 2x 2” fullrange tweeters. Its 1.4 kg, claimed 20 hours (Manufacturer specified) battery life, IPX4 protection, aux input, up to 96dB and mono playback make it a practical option for its intended room or portable use. Measured bass extension of 44Hz (-10dB).
Cons: Bass is limited by its 44Hz specification. There is no companion app. No EQ adjustment.
Full Marshall Stockwell 2 review and specifications →
| Amplifier Power | 20W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 44Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 50ms |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.1" x 6.3" x 2.8" (180 x 161 x 70 mm) |
| Drivers | 3" woofer, 2x 2" fullrange tweeters |
| EQ | No |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX4 |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | No |
| Weight | 3.1 lbs (1.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
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onn Portable FM Boombox: $74.83 Walmart eBay
Pros: Extremely good value. Reasonably deep bass, though not as deep as something like the JBL Xtreme 3, Soundcore Boom 2, or Tribit Stormbox Lava. IPX7 waterproof and floats. FM radio with 10 presets. 6 multicolor LED lighting effects. Can run on battery or corded power.
Cons: Reasonable frequency response, but not quite as smooth as some of the top-ranked speakers in this size. No custom EQ. Only available in the United States and Canada.
Full onn Portable FM Boombox review and specifications →
| Amplifier Power | 25W RMS (100W peak) |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 13.8" x 5.9" x 7.7" (350 x 149 x 195 mm) |
| Discontinued | No |
| Drivers | 2 speakers |
| EQ | No |
| FM Tuner | Yes (10 presets) |
| IP Rating | IPX7 |
| Lights | Yes |
| Omnidirectional | No |
| Party Mode | Yes (Party Sync, pairs with 1 other onn. speaker) |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Removable Battery | No |
| TWS | Yes |
| Weight | 4.9 lbs (2.22 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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