These are not really the same size class, and that is the honest framing here. The Marshall Bromley 150 ranks #47 of 102 large speakers by sound quality at $499.99; the Marshall Bromley 750 ranks #13 of 13 large party speakers by sound quality at $999.95.
The Marshall Bromley 150 is the lighter pick. The smallest and lightest Bromley at 13.9 lbs (6.3 kg), with a carry handle, a 6.5-inch woofer, two 2-inch full-range drivers and a passive radiator driven by 200W of amplification, rated at 97dB. At 13.9 lbs (6.3 kg) it weighs much less than the Marshall Bromley 750 at 52.7 lbs (23.9 kg). Watch for: Newly announced and not yet reviewed, so its sound can’t be compared with ranked party speakers.
What the Marshall Bromley 750 does well: Much wider, more consistent off-axis dispersion than the JBL Partybox 720, which only fires forward: the Marshall’s standout feature, sounding about the same from any angle. The tradeoff: Not as deep bass as the JBL Partybox 330 or JBL Partybox 720.
Buy the Marshall Bromley 150 at $499.99 if you want a large speaker. Buy the Marshall Bromley 750 at $999.95 if you want a large party speaker instead.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Marshall Bromley 150 | Marshall Bromley 750 | |
|---|---|---|
| Price | $499.99 each | $999.95 |
| Ranked | #47 of 102 in Large Size Portable Bluetooth Speakers | #13 of 13 in Large Party Size Portable Bluetooth Speakers |
| Amplifier Power | 200W (90W woofer, 2x 55W full-range) | 400W |
| Drivers | 6.5” woofer, 2x 2” full-range drivers, 7.5” passive radiator | 2x 10” woofers, 2x 5.25” mid-ranges, 2x 1” tweeters, 2x 0.8” tweeters |
| Frequency Response | 42Hz - 20kHz (Manufacturer specified) | 20Hz - 20kHz (Manufacturer specified) |
| Maximum SPL | 97dB @ 1m (Manufacturer specified) | - |
| Battery Life | 40+ hours (Manufacturer specified) | 40+ hours (Manufacturer specified) |
| Charging Time | 3 hours | 3.5 hours |
| Removable Battery | Yes | Yes |
| IP Rating | IP55 | IP54 |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 5.3 |
| Bluetooth Codecs | SBC, AAC, LC3 | SBC, AAC, LC3 |
| Aux Input | Yes (3.5mm in/out) | Yes (3.5mm, RCA) |
| Microphone Input | Yes (2x XLR/6.35mm combo) | Yes (2x XLR/6.35mm combo) |
| XLR Input | Yes (2x combo) | Yes (2x combo) |
| Guitar Input | Yes | Yes |
| Power Bank | Yes (USB-C, 5V/3A) | Yes (USB-C) |
| App | Yes (Marshall Bluetooth app) | Yes (Marshall Bluetooth app) |
| EQ | Yes | Yes |
| Party Mode | Yes (Auracast) | Yes (Auracast) |
| Lights | Yes | Yes |
| Wi-Fi | No | No |
| Wheels | No | - |
| Strap | No | No |
| Stereo | Partially | Yes |
| Weight | 13.9 lbs (6.3 kg) | 52.7 lbs (23.9 kg) |
| Dimensions | 11.7”H x 11.4”W x 8.2”D (297 x 290 x 208 mm) | 16.3” x 25.7” x 14” (413 x 652 x 355 mm) |
| Power Input | - | USB-C |
| Built-in Microphone | - | No |
| Omnidirectional | - | Yes |
| TWS | - | No |
| USB Playback | - | No |
| Digital Aux Input | - | Yes (USB-C) |
Related Speaker Comparisons
More worthwhile head-to-heads for Marshall Bromley 150:
- JBL Partybox Stage 320 vs Marshall Bromley 750
- JBL Partybox 130 vs Marshall Bromley 750
- JBL Partybox 330 vs Marshall Bromley 750
- Marshall Bromley 450 vs Marshall Bromley 750
- JBL Partybox 710 vs Marshall Bromley 750
Prices on this page were last checked October 4, 2026 at 9:58 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Marshall Bromley 150: $499.99 each Estimated Marshall eBay
Pros: The smallest and lightest Bromley at 6.3kg, with a carry handle, a 6.5-inch woofer, two 2-inch full-range drivers and a passive radiator driven by 200W of amplification, rated at 97dB. A removable LiFePO4 battery is rated for 40+ hours, recharges in about 3 hours and can be swapped for a spare. Two XLR/6.35mm combo inputs each have their own volume and effects controls for microphones or instruments, and it adds IP55 dust and water resistance, Auracast, Bluetooth 5.3 with AAC and LC3, a USB-C power bank output and built-in stage lighting.
Cons: Newly announced and not yet reviewed, so its sound can’t be compared with ranked party speakers. Marshall rates it at 97dB, well short of its bigger Bromley siblings, and at $499.99 it costs as much as some larger party speakers with more output.
Full Marshall Bromley 150 review and specifications →
| Amplifier Power | 200W (90W woofer, 2x 55W full-range) |
|---|---|
| App | Yes (Marshall Bluetooth app) |
| Aux Input | Yes (3.5mm in/out) |
| Battery Life | 40+ hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC, LC3 |
| Bluetooth Version | 5.3 |
| Charging Time | 3 hours |
| Dimensions | 11.7”H x 11.4”W x 8.2”D (297 x 290 x 208 mm) |
| Drivers | 6.5” woofer, 2x 2” full-range drivers, 7.5” passive radiator |
| EQ | Yes |
| Frequency Response | 42Hz - 20kHz (Manufacturer specified) |
| Guitar Input | Yes |
| IP Rating | IP55 |
| Lights | Yes |
| Maximum SPL | 97dB @ 1m (Manufacturer specified) |
| Microphone Input | Yes (2x XLR/6.35mm combo) |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-C, 5V/3A) |
| Removable Battery | Yes |
| Stereo | Partially |
| Strap | No |
| Weight | 13.9 lbs (6.3 kg) |
| Wheels | No |
| Wi-Fi | No |
| XLR Input | Yes (2x combo) |
- 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
Marshall Bromley 750: $999.95 Amazon eBay
Pros: Much wider, more consistent off-axis dispersion than the JBL Partybox 720, which only fires forward: the Marshall’s standout feature, sounding about the same from any angle.
Cons: Not as deep bass as the JBL Partybox 330 or JBL Partybox 720. Not a great frequency response overall, with some midrange peaks. Only basic bass/treble controls, no full custom EQ like the JBL Partybox 720’s app. Default bass (dynamic mode) is overdone out of the box and needs trimming.
Full Marshall Bromley 750 review and specifications →
| Amplifier Power | 400W |
|---|---|
| App | Yes (Marshall Bluetooth app) |
| Aux Input | Yes (3.5mm, RCA) |
| Battery Life | 40+ hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC, LC3 |
| Bluetooth Version | 5.3 |
| Built-in Microphone | No |
| Charging Time | 3.5 hours |
| Digital Aux Input | Yes (USB-C) |
| Dimensions | 16.3” x 25.7” x 14” (413 x 652 x 355 mm) |
| Drivers | 2x 10” woofers, 2x 5.25” mid-ranges, 2x 1” tweeters, 2x 0.8” tweeters |
| EQ | Yes |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| Guitar Input | Yes |
| IP Rating | IP54 |
| Lights | Yes |
| Microphone Input | Yes (2x XLR/6.35mm combo) |
| Omnidirectional | Yes |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Removable Battery | Yes |
| Stereo | Yes |
| Strap | No |
| TWS | No |
| USB Playback | No |
| Weight | 52.7 lbs (23.9 kg) |
| Wi-Fi | No |
| XLR Input | Yes (2x combo) |
- Links
- Reviews, Comparisons and Sound Samples
- Joy & Oluv’Sone: Marshall Bromley 750 vs JBL Partybox 720 - outdoor test More from Oluv’Sone →
- Storytripper HD: W-King T12 vs Marshall Bromley 750 More from storytripperhd →
- Danny Pops: I Finally Got The Marshall Bromley 750 Everyone Wanted More from DannyPops →
- Oluv Patreon: JBL Partybox 720 vs Marshall Bromley 750
- Oluv Patreon: Marshall Bromley 750 - battery issues in the cold
- Oluv Patreon: Marshall Bromley 750 & Teufel Rockster Air 2 - outdoor test
- Oluv Patreon: Marshall Bromley 750 - 2nd look after update
- Oluv Patreon: Marshall Bromley 750 - first impressions
- Head-to-Head Comparisons
- Marshall Bromley 750 vs Sony SRS-XV900
- Marshall Bromley 750 vs Sony ULT Tower 10
- Marshall Bromley 750 vs Sony ULT Tower 9
- Marshall Bromley 750 vs Teufel Rockster
- Marshall Bromley 750 vs JBL Partybox 520
- Marshall Bromley 750 vs JBL Partybox Ultimate 2
- Marshall Bromley 750 vs JBL Partybox 710
- Marshall Bromley 750 vs JBL Partybox 720
- See all 19 comparisons