Bose SoundLink Flex 2 vs Sony ULT Field 3

Name Bose SoundLink Flex (2nd Gen) Sony ULT Field 3
Image Image Image
Type Medium Medium
MSRP $149 $199.99
Released 2024 2025
Availability Available Available
Current price Amazon Amazon
Speaker configuration
Audio channels 1.0 (mono) 1.0 (mono)
Woofers (or full range): 1× full range 1× 86×46 mm
Tweeters: - 1× 20 mm
Subwoofers: - -
Audio specs & features
Watts RMS Not specified Not specified
Frequency range Not specified Not specified
Wireless stereo pairing? ✔ TWS ✔ TWS
Party mode? (mono) ✔ (Party Mode) ✔ (Party Connect)
Other (special) audio features? Speakerphone, PositionIQ (adaptive EQ) Speakerphone
Connectivity
Bluetooth version? 5.3 5.2
Wi-Fi?
NFC? (for pairing)
Radio?
Audio inputs & outputs
Buit-in mic? (and function) ✔ (calls, voice control) ✔ (calls)
Guitar/mic input?
USB-A playback?
3.5 mm AUX in?
3.5 mm AUX out?
Other in/outputs?
Battery, power & charging
Battery?
Battery life 12 hours 24 hours
Charge time 4 hrs 3.5 hrs
Battery capacity 11.4 Wh ?
Swappable battery?
Charging port(s): USB-C USB-C
Powerbank function? Yes; 1× USB-C 7.5W
Buttons & controls
Sound mode button(s)? Bass boost
Sound effect buttons?
Other (special) buttons? Shortcut button
App? Bose App Sony Sound Connect
Voice assistant?
Lights
Colored LEDS?
Strobe LEDS?
Size & weight
Size (cm H×W×D): 5.23×20.14×9.04 25.6×11.3×7.9
Size (inch H×W×D): 2.06×7.93×3.56 10.08×4.45×3.11
Weight (kg): 0.586 1.2
Weight (lbs): 1.291 2.65
Physical features
IP Code IP67 IP67
Transportation method? In hand Shoulder strap
Color options: 5 colors: Black, blue, green, beige, pink 3 colors: Black, white, green
Other features? Loop Detachable shoulder strap
In the box
Charger/cables? USB-A to USB-C USB-C to USB-C
Accessories? - Shoulder strap
More info
Model number 442591 YY7866E, SRS-ULT30
User guide / manual Owner's guide Help Guide
Official site link: Bose.com Sony.com
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