Short answer: the Marshall Middleton II if sound quality matters most, the JBL Xtreme if price matters most. The Marshall Middleton II ranks #28 of 77 large speakers at $330. The JBL Xtreme ranks #52 at $200, $130 cheaper.
What the Marshall Middleton II offers: Very deep bass for the size/weight. Watch for: Bass boosted which drowns out the midrange. Dip around 200hz, peak at 1khz, dipped at 1.6khz. Strange frequency response through the mids.
What the JBL Xtreme offers: 15 hour battery. IPX7 water resistance. JBL Connect for pairing with other JBL speakers. Built-in microphone for calls. Watch for: Issues with bass distortion at high volumes. An older speaker outclassed by newer releases of the Xtreme. External AC power brick for charging.
Buy the Marshall Middleton II if sound quality matters more than the price. Buy the JBL Xtreme if the price matters more than sound quality.
There is a real battery-life gap here: the Marshall Middleton II is rated for 30 hours, the JBL Xtreme only 15 hours.
Specifications Side By Side
| Marshall Middleton II | JBL Xtreme | |
|---|---|---|
| Price | $330 | $200 Discontinued |
| Ranked | #28 of 77 in Large Size Portable Bluetooth Speakers | #52 of 77 in Large Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 38Hz | - |
| Battery Life | 30 hours (Manufacturer specified) | 15 hours (Manufacturer specified) |
| Built in Microphone | Yes | Yes |
| EQ | Yes (5 band) | No |
| IP Rating | IP67 | IPX7 |
| Party Mode | Yes (Marshall Stack) | Yes (Connect) |
| Power Bank | Yes (USB-C) | No |
| Power Input | USB-C | USB-C |
| Weight | 4 lbs / 1.8 kg | 5.3 lbs / 2.4 kg |
| Bluetooth Codecs | SBC | SBC |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | No |
| Bluetooth Version | 5.3 | 4.1 |
| Dimensions | 9.1" x 3.9" x 4.3" (230 x 98 x 110 mm) | 11.1" x 5" x 4.8" (283 x 126 x 122 mm) |
| Drivers | 2x 75mm woofers, 2x 0.625" tweeters + 2x passive radiators | 2x 63mm woofers, 2x 35mm tweeters |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) | 70Hz - 20kHz (Manufacturer specified) |
| Output Power | 80W | 40W |
| Digital Aux Input | No | No |
| Max Volume | - | 96dB |
| Discontinued | - | Yes |
Related Speaker Comparisons
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- JBL Partybox 110 vs Mee audio PartySPKR
- JBL Xtreme 4 vs Mee audio PartySPKR
- JBL Xtreme 3 vs Sonos Move
- Marshall Middleton II vs Marshall Stockwell 2
- Teufel Rockster Cross vs Marshall Middleton II
Prices on this page were last checked August 27, 2026 at 10:09 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 Middleton II: $330 Amazon eBay
Pros: Very deep bass for the size/weight.
Cons: Bass boosted which drowns out the midrange. Dip around 200hz, peak at 1khz, dipped at 1.6khz. Strange frequency response through the mids.
Full Marshall Middleton II review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 38Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9.1" x 3.9" x 4.3" (230 x 98 x 110 mm) |
| Drivers | 2x 75mm woofers, 2x 0.625" tweeters + 2x passive radiators |
| EQ | Yes (5 band) |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| Omnidirectional | No |
| Output Power | 80W |
| Party Mode | Yes (Marshall Stack) |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 4 lbs / 1.8 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Marshall Middleton II vs Sonos Move
- Marshall Middleton II vs LG Xboom Bounce
- Marshall Middleton II vs Sonos Move 2
- Marshall Middleton II vs Marshall Middleton
- Marshall Middleton II vs Ultimate Ears Everboom
- Marshall Middleton II vs Soundcore Motion X500
- Marshall Middleton II vs Bose SoundLink Plus
- Marshall Middleton II vs Teufel Rockster Cross
- See all 38 comparisons
JBL Xtreme: $200 Discontinued eBay
Pros: 15 hour battery. IPX7 water resistance. JBL Connect for pairing with other JBL speakers. Built-in microphone for calls.
Cons: Issues with bass distortion at high volumes. An older speaker outclassed by newer releases of the Xtreme. External AC power brick for charging. Discontinued.
Full JBL Xtreme review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 15 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.1 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.1" x 5" x 4.8" (283 x 126 x 122 mm) |
| Discontinued | Yes |
| Drivers | 2x 63mm woofers, 2x 35mm tweeters |
| EQ | No |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 96dB |
| Omnidirectional | No |
| Output Power | 40W |
| Party Mode | Yes (Connect) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | No |
| Weight | 5.3 lbs / 2.4 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons