




Turn up every moment with the Sony ULT Field 5 Bluetooth Wireless Speaker (SRS-ULT50), built to deliver massive bass, immersive sound, and vibrant party lighting in a portable design. Equipped with Sony’s ULT Button, this speaker instantly boosts low frequencies for deeper, punchier bass, making your music feel more powerful and energetic.
Enjoy up to 25 hours of battery life with quick charging support, so your party never slows down. The speaker’s IP67 waterproof, dustproof, and shockproof construction makes it ideal for outdoor adventures, while the built-in power bank lets you charge your smartphone on the go. With 360° ambient party lights, Party Connect, 10-band equalizer, and 2-way active speaker design (woofer + tweeter), the ULT Field 5 is perfect for both indoor gatherings and outdoor celebrations.
| SPEAKER TYPE | Woofer / Tweeter (L / R) |
| NUMBER OF SPEAKER | Tweeter Unit: 2, Woofer Unit: 1 |
| SPEAKER SIZE | Tweeter Unit: Approx. Φ 46 mm, Woofer Unit: Approx. 79 mm x 107 mm |
| X-BALANCED SPEAKER UNIT | Woofer Unit |
| SOUND MODES | ULT POWER SOUND: 2 (ULT1 / ULT2), Volume Step: 50, custom EQ band: 10 |
| SOUND FUNCTIONS | Sound Field Optimization |
| DIMENSIONS (W X H X D) | Approx. 320 mm x 144 mm x 125 mm |
| WEIGHT | Approx. 7.28 lb |
| COMMUNICATION SYSTEM | Version 5.3 |
| COMPATIBLE PROFILES | A2DP, AVRCP, SPP |
| SPEAKER ADD FUNCTION | Stereo Pair,Party Connect |
| SUPPORTED CODECS | SBC, AAC, LDAC |
| FREQUENCY TRANSMISSION RANGE | 20 Hz–20,000 Hz (44.1 kHz sampling) |
| FREQUENCY RANGE | 2.4 GHz |
| INPUT AND OUTPUT TERMINALS | Stereo Mini Jack (IN), USB Type-C® (DC IN / OUT only) |
| COMPATIBLE SMARTPHONE APPS | Sound Connect |
| BATTERY LIFE | Approx. 25 H |
| POWER SUPPLY | DC, 5 V / 9 V, Internal rechargeable, USB Type-C® |
| USB POWER PORT FOR SMARTPHONE | Yes |
| POWER CONSUMPTION | Approx. 27 W (at 9 V 3.0 A) |
| WATER PROTECTION | IP66 / IP67 |
| POWER CONSUMPTION (STANDBY MODE / LOW POWER MODE) | 0.3 W |
| POWER CONSUMPTION (NETWORKED STANDBY MODE) – TERMINALS | 2.0 W (Bluetooth® function, all terminals and networks connected) |








