| Name | Sony ULT Field 5 | JBL Boombox 4 |
|---|---|---|
| Image |  |
 |
| Type | Large | Large |
| MSRP | $329.99 | $549.95 |
| Released | 2025 | 2025 |
| Availability | Available | Available |
| Current price | Amazon | Amazon |
| Speaker configuration | ||
| Audio channels | 2.0 (stereo) | 2.0 (stereo) |
| Woofers (or full range): | 1× 107×79 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? | ✔ TWS | ✔ via app |
| Party mode? (mono) | ✔ (Party Connect) | ✔ Auracast |
| Other (special) audio features? | Placement Correction | AI Sound Boost, PlayTime boost (+6h) |
| Connectivity | ||
| Bluetooth version? | 5.3 | 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? | ❌ | ❌ |
| Battery, power & charging | ||
| Battery? | ✔ | ✔ |
| Battery life | 25 hours | 28 hours |
| Charge time | 3.5 hrs | 3 hrs |
| Battery capacity | ? | 99.02 Wh |
| Swappable battery? | ❌ | Replaceable |
| Charging port(s): | USB-C | AC |
| Powerbank function? | Yes; 1× USB-C | Yes; 1× USB-C ?W |
| Buttons & controls | ||
| Sound mode button(s)? | Bass boost | 'Bass Boost' (2 modes) |
| Sound effect buttons? | ❌ | ❌ |
| Other (special) buttons? | Light effect button | ❌ |
| App? | Sony Sound Connect | JBL Portable |
| Voice assistant? | ❌ | ❌ |
| Lights | ||
| Colored LEDS? | 4× rings | ❌ |
| Strobe LEDS? | ❌ | ❌ |
| Size & weight | ||
| Size (cm H×W×D): | 14.4×32.0×12.5 | 26.29×50.64×21.29 |
| Size (inch H×W×D): | 5.7×12.6×5.0 | 10.4×19.9×8.4 |
| Weight (kg): | 3.3 | 5.89 |
| Weight (lbs): | 7.28 | 13 |
| Physical features | ||
| IP Code | IP67 | IP68 |
| Transportation method? | Shoulder strap | 1 handle |
| Color options: | 2 colors: Black, white | 3 colors: Black, blue, camo |
| Other features? | Detachable shoulder strap | - |
| In the box | ||
| Charger/cables? | USB-C to USB-C | Power cable |
| Accessories? | Shoulder strap | - |
| More info | ||
| Model number | YY7859E, SRS-ULT50 | JBLBOOMBOX4 |
| User guide / manual | Help Guide | Quick start guide |
| Official site link: | Sony.com | JBL.com |
Sony ULT Field 5 vs JBL Boombox 4
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