| Name | JBL Boombox 4 | Sony ULT Field 7 |
|---|---|---|
| Image |  |
 |
| Type | Large | Large |
| MSRP | $549.95 | $499.99 |
| Released | 2025 | 2024 |
| Availability | Available | Available |
| Current price | Amazon | Amazon |
| Speaker configuration | ||
| Audio channels | 2.0 (stereo) | 2.0 (stereo) |
| Woofers (or full range): | 2× 5″ | 2× 114 mm |
| Tweeters: | 2× 0.75″ | 2× 46 mm |
| Subwoofers: | - | - |
| Audio specs & features | ||
| Watts RMS | 210 W (plugged in), 200 (battery) | Not specified |
| Frequency range | 37.0 Hz - 20 kHz | Not specified |
| Wireless stereo pairing? | ✔ via app | ✔ via app |
| Party mode? (mono) | ✔ Auracast | ✔ (Party Connect) |
| Other (special) audio features? | AI Sound Boost, PlayTime boost (+6h) | Karaoke: mix music w/ mic input |
| Connectivity | ||
| Bluetooth version? | 5.4 | 5.2 |
| Wi-Fi? | ❌ | ❌ |
| NFC? (for pairing) | ❌ | ❌ |
| Radio? | ❌ | ❌ |
| Audio inputs & outputs | ||
| Buit-in mic? (and function) | ❌ | ❌ |
| Guitar/mic input? | ❌ | 1× TRS (guitar/mic) |
| USB-A playback? | ✔ (USB-C) | ✔ |
| 3.5 mm AUX in? | ❌ | ✔ |
| 3.5 mm AUX out? | ❌ | ❌ |
| Other in/outputs? | ❌ | ❌ |
| Battery, power & charging | ||
| Battery? | ✔ | ✔ |
| Battery life | 28 hours | 30 hours |
| Charge time | 3 hrs | 5 hrs |
| Battery capacity | 99.02 Wh | 74.88 Wh |
| Swappable battery? | Replaceable | ❌ |
| Charging port(s): | AC | AC |
| Powerbank function? | Yes; 1× USB-C ?W | Yes; 1× USB-A 7.5W |
| Buttons & controls | ||
| Sound mode button(s)? | 'Bass Boost' (2 modes) | Bass boost |
| Sound effect buttons? | ❌ | Echo, Key control |
| Other (special) buttons? | ❌ | Guitar/mic vol. knob |
| App? | JBL Portable | Sony Music Center |
| Voice assistant? | ❌ | ❌ |
| Lights | ||
| Colored LEDS? | ❌ | 2× ring |
| Strobe LEDS? | ❌ | ❌ |
| Size & weight | ||
| Size (cm H×W×D): | 26.29×50.64×21.29 | 22.4×51.2×22.2 |
| Size (inch H×W×D): | 10.4×19.9×8.4 | 8.9×20.2×8.8 |
| Weight (kg): | 5.89 | 6.3 |
| Weight (lbs): | 13 | 13.89 |
| Physical features | ||
| IP Code | IP68 | IP67 |
| Transportation method? | 1 handle | 2 handles |
| Color options: | 3 colors: Black, blue, camo | 1 color: Black |
| Other features? | - | - |
| In the box | ||
| Charger/cables? | Power cable | AC power cable |
| Accessories? | - | - |
| More info | ||
| Model number | JBLBOOMBOX4 | YY7858E, SRS-ULT70 |
| User guide / manual | Quick Start Guide | Help Guide |
| Official site link: | JBL.com | Sony.com |
JBL Boombox 4 vs Sony ULT Field 7
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