Short answer: the Teufel Rockster Cross for neutral, midrange-focused sound, the Stockwell II for portable naturalness. The Rockster Cross has a pretty neutral response and is more vocal and midrange-focused than the JBL Xtreme 4, though outdoor mode can sound harsh from a 4kHz peak and its bass is not as deep as the Xtreme 4. The Stockwell II is possibly the most natural Marshall speaker, but it is not stereo and is not very loud.
Buy the Marshall Stockwell II. It is rated higher for sound quality than the Teufel Rockster Cross and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Marshall Stockwell II | Teufel Rockster Cross | |
|---|---|---|
| Price | $229.99 | $249.99 |
| Ranked | #11 of 97 in Large Size Portable Bluetooth Speakers | #23 of 97 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 44Hz | 51Hz |
| Battery Life | 20 hours (Manufacturer specified) | 16 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC, aptX |
| IP Rating | IPX4 | IPX5 |
| Bluetooth Latency | 50ms | - |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) | - |
| Party Mode | No | No |
| Power Input | USB-C | DC barrel jack |
| Stereo | No | Partially |
| Omnidirectional | Yes | No |
| TWS | No | Yes |
| Weight | 3.1 lbs (1.4 kg) | 5.3 lbs (2.4 kg) |
| App | No | No |
| Built-in Microphone | Yes | Yes |
| EQ | No | No |
| Power Bank | No | Yes (USB-A) |
| Bluetooth Version | 5.0 | 5.0 |
| Dimensions | 7.1” x 6.3” x 2.8” (180 x 161 x 70 mm) | 15” x 6.3” x 5.1” (380 x 160 x 130 mm) |
| Drivers | 3” woofer, 2x 2” fullrange tweeters | 5” woofer, 2x textile dome tweeters + 2x passive radiators |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | 50Hz - 20kHz (Manufacturer specified) |
| Amplifier Power | 20W | 30W |
| Digital Aux Input | No | No |
| Strap | Yes (built-in strap) | Yes (detachable shoulder strap) |
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Prices on this page were last checked October 3, 2026 at 10:26 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
Marshall Stockwell II: $229.99 Amazon eBay
Newer model: the Marshall Stockwell III, ranked lower, rated 3/5.
Pros: Marshall Stockwell II 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. Possibly the most natural sounding Marshall speaker, with excellent off-axis sound. Measured bass extension of 44Hz (-10dB).
Cons: Bass is limited by its 44Hz specification. There is no companion app. No EQ adjustment. Not very loud, and the added DSP reverb may annoy purists.
Full Marshall Stockwell II review and specifications →
| Amplifier Power | 20W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 44Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| 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 |
| Strap | Yes (built-in strap) |
| TWS | No |
| Weight | 3.1 lbs (1.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Marshall Stockwell 2 vs Soundcore Motion Boom and Motion Plus! expensive is better? More from alanrossreviews →
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- Oluv Patreon: Marshall Stockwell III vs Stockwell II More from Oluv’Sone →
- Joy & Oluv’Sone: Marshall Stockwell III vs II - sound test
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Teufel Rockster Cross: $249.99 Amazon eBay
Newer model: the Teufel Rockster Cross 2, ranked higher, rated 4.2/5.
Pros: Pretty neutral frequency response. More vocal/midrange-focused than the JBL Xtreme 4, thanks to a larger mid/bass driver: better suited to rock and jazz. Nicer upper-bass detail than the JBL Xtreme 4. Punchy, well-controlled bass that suits rock music, unlike the Soundcore Boom 2 Plus’s overboosted, uncontrolled bass even at stock tuning. Clear, detailed audio with good vocal presence and solid Bluetooth codec support even a couple years after release. Measured bass extension of 51Hz (-10dB).
Cons: Outdoor mode can sound somewhat harsh due to the 4kHz peak. Not as deep or full-sounding in the bass as the JBL Xtreme 4.
Full Teufel Rockster Cross review and specifications →
| Amplifier Power | 30W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 51Hz |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, aptX |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 15” x 6.3” x 5.1” (380 x 160 x 130 mm) |
| Drivers | 5” woofer, 2x textile dome tweeters + 2x passive radiators |
| EQ | No |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX5 |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | DC barrel jack |
| Stereo | Partially |
| Strap | Yes (detachable shoulder strap) |
| TWS | Yes |
| Weight | 5.3 lbs (2.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
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