| Name | Marshall Stanmore III | JBL Boombox 4 |
|---|---|---|
| Image |  |
 |
| Type | Large | Large |
| MSRP | $379.99 | $549.95 |
| Released | 2023 | 2025 |
| Availability | Available | Available |
| Current price | Amazon | Amazon |
| Speaker configuration | ||
| Audio channels | 2.0 (stereo) | 2.0 (stereo) |
| Woofers (or full range): | 1× 5″ | 2× 5″ |
| Tweeters: | 2× 3/4″ | 2× 0.75″ |
| Subwoofers: | - | - |
| Audio specs & features | ||
| Watts RMS | 80 W | 210 W (plugged in), 200 (battery) |
| Frequency range | 45.0 Hz - 20 kHz | 37.0 Hz - 20 kHz |
| Wireless stereo pairing? | ❌ | ✔ via app |
| Party mode? (mono) | ❌ | ✔ Auracast |
| Other (special) audio features? | Placement Correction | AI Sound Boost, PlayTime boost (+6h) |
| Connectivity | ||
| Bluetooth version? | 5.2 | 5.4 |
| Wi-Fi? | ❌ | ❌ |
| NFC? (for pairing) | ❌ | ❌ |
| Radio? | ❌ | ❌ |
| Audio inputs & outputs | ||
| Buit-in mic? (and function) | ❌ | ❌ |
| Guitar/mic input? | ❌ | ❌ |
| USB-A playback? | ❌ | ✔ (USB-C) |
| 3.5 mm AUX in? | ✔ | ❌ |
| 3.5 mm AUX out? | ❌ | ❌ |
| Other in/outputs? | RCA | ❌ |
| Battery, power & charging | ||
| Battery? | ❌ | ✔ |
| Battery life | N/A | 28 hours |
| Charge time | N/A | 3 hrs |
| Battery capacity | N/A | 99.02 Wh |
| Swappable battery? | N/A | Replaceable |
| Charging port(s): | AC | AC |
| Powerbank function? | ❌ | Yes; 1× USB-C ?W |
| Buttons & controls | ||
| Sound mode button(s)? | ❌ | 'Bass Boost' (2 modes) |
| Sound effect buttons? | ❌ | ❌ |
| Other (special) buttons? | Physical EQ buttons; bass, treble. Source btn. | ❌ |
| App? | Marshall Bluetooth app | JBL Portable |
| Voice assistant? | ❌ | ❌ |
| Lights | ||
| Colored LEDS? | ❌ | ❌ |
| Strobe LEDS? | ❌ | ❌ |
| Size & weight | ||
| Size (cm H×W×D): | 20.3×35.0×18.8 | 26.29×50.64×21.29 |
| Size (inch H×W×D): | 8.0×13.78×7.4 | 10.4×19.9×8.4 |
| Weight (kg): | 4.25 | 5.89 |
| Weight (lbs): | 9.37 | 13 |
| Physical features | ||
| IP Code | None | IP68 |
| Transportation method? | Stationary use | 1 handle |
| Color options: | 3 colors: Black&brass, brown, cream | 3 colors: Black, blue, camo |
| Other features? | - | - |
| In the box | ||
| Charger/cables? | AC power cable | Power cable |
| Accessories? | - | - |
| More info | ||
| Model number | 1006014, 1006083, 1006015 | JBLBOOMBOX4 |
| User guide / manual | Full manual | Quick start guide |
| Official site link: | Marshall.com | JBL.com |
Marshall Stanmore 3 vs JBL Boombox 4
Legend:
Great/yes
Good
Not good
Bad/no
More Bluetooth speaker comparisons: