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