Sony ULT FIELD 5 - Powerful Bluetooth Portable Speaker – Black SRSULT50B.CE7
ULT POWER SOUND Series | 25-Hour Battery | IP67 Waterproof & Dustproof | 360° Lighting | Detachable Strap
Powerful Bass, Anywhere You Go
Introducing the ULT FIELD 5 Wireless Portable Speaker, part of Sony’s ULT POWER SOUND series—designed for those who crave more power, more bass, and more freedom. Engineered with cutting-edge audio innovations and built to withstand your wildest adventures, this compact speaker transforms your music experience indoors and out.
Ultimate Bass with ULT POWER SOUND Modes
Feel the music like never before with 2 powerful bass-enhancing modes at the press of the ULT button:
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ULT1 Mode: Emphasizes deeper, low-end bass for full-bodied sound
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ULT2 Mode: Delivers punchy, energetic bass with heightened sound pressure
Whether you're relaxing or partying, experience more sound pressure and increased bass with audio tuned to move you.
X-Balanced Speaker Unit for Superior Sound Quality
Sony’s exclusive X-Balanced Speaker Unit features a non-circular diaphragm that increases sound pressure and minimizes distortion.
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Large Woofer (approx. 79 mm x 107 mm): Delivers deep, impactful bass
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High-Efficiency Tweeter: Produces crisp highs and rich detail
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Optimized Passive Radiators: Enhance low-end clarity without sacrificing fidelity
Enjoy booming bass, clear vocals, and wide audio dispersion—even at max volume.
360° Party Light That Syncs with Your Music
The ULT FIELD 5 features a built-in 360° lighting system that reacts in real-time to your playlist. Customise the lighting effects using the Sony | Sound Connect app to set the perfect vibe whether you’re indoors or out.
Waterproof, Dustproof & Ready for Anything
Take the party outside with confidence.
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IP67 Rating: Fully waterproof, dustproof, and rust-resistant
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Salt Water Resistant: Ideal for use by the pool, park, or beach
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Easy to Wash: No worries about sand, rain, or spills
Wherever you go, the ULT FIELD 5 is built to go too.
Designed for Portability
Compact and convenient, the speaker comes with a detachable shoulder strap for hands-free carrying.
- Carry vertically or horizontally
- Durable build, lightweight design
- Perfect for festivals, hikes, beach days, or just chilling in the garden
Note: Always use the supplied strap and follow usage guidelines for safety.
All-Day Battery Life & Quick Charging
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Up to 25 Hours Playback on a full charge
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Quick Charge: 10 minutes = 100 minutes of music
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Battery Care Mode: Extends battery lifespan and prevents overcharging
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USB-C Port: Charge your speaker—and your phone—with built-in powerbank functionality
Check battery status easily via the Sony | Sound Connect app.
Seamless Connectivity & Sharing
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Multipoint Bluetooth® Connection: Connect two devices at once
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Fast Pair for Android™: Quick and easy pairing in a single tap
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Stereo Pairing: Connect two ULT FIELD 5 speakers for wide stereo sound
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Party Connect: Sync up to 100 compatible speakers with music and lights unified—no app needed
Eco-Conscious Design
Sony is committed to sustainability:
- Recycled Plastic Body
- Plastic-Free Packaging
- Part of Sony’s goal to achieve a zero environmental footprint by 2050
Smart Features & App Control
Use the Sony | Sound Connect app to:
- Customize lighting and EQ
- Check battery life
- Adjust settings and shortcuts
- View listening history
The Ultimate Portable Sound Experience
Whether you're heading to a beach party or chilling at home, the Sony ULT FIELD 5 Wireless Portable Speaker brings ULT POWER SOUND, durability, smart features, and style in one compact package.
Technical Specifications
General
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Brand: Sony
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Model Name: ULT FIELD 5
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Product Code: SRSULT50B.CE7
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Product Type: Portable Bluetooth Speaker
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Colour: Black
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Recommended Usage: Universal
Audio
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RMS Output Power: 27W
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Speaker Drivers: 3 (including 2 tweeters + 1 woofer)
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Tweeter Size: 4.6 cm
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Frequency Response: 20 Hz – 20,000 Hz
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Bass Enhancement: ULT Boost Function
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Sound Modes: Adjustable via ULT button
Connectivity
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Connectivity Type: Wired & Wireless
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Bluetooth Version: 5.3
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Bluetooth Profiles Supported: A2DP, AVRCP, LDAC, SBC, AAC, SPP
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Wi-Fi: Yes
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3.5mm Audio Jack: Yes
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USB Charging: USB Type-C
Power & Battery
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Battery Type: Built-in Rechargeable
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Maximum Battery Life: Up to 25 hours
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Charging Port: USB Type-C
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DC Input Voltage: 5V
Design & Build
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Placement Options: Vertical / Horizontal
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IP Rating: IP66 & IP67 (Waterproof & Dustproof)
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Lighting Effects: Yes – music-synced lighting
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Auto Power Off: Yes
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Shoulder Strap: Included
Dimensions & Weight
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Width: 320 mm
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Height: 144 mm
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Depth: 125 mm
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Weight: 3.3 kg
Included Accessories
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Cables: USB Type-C Charging Cable
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