Sony ULT Field 5 SRS-ULT50 – Premium Portable Bluetooth Speaker

The Sony ULT Field 5 SRS-ULT50 is a powerful and stylish wireless portable Bluetooth speaker designed for music lovers who want rich, immersive sound wherever they go. Built with Sony’s advanced ULT Power Sound technology, this speaker combines dynamic audio performance, long battery life, rugged durability, and versatile connectivity — making it ideal for outdoor adventures, travel, parties, and everyday listening.

Next-Level Wireless Audio

The Sony ULT Field 5 SRS-ULT50 delivers rich stereo sound that fills the room or outdoor space with crisp highs, solid mids, and enhanced bass response thanks to its dedicated woofer and tweeter units. With Sony ULT Power Sound, you get two distinct sound modes (ULT1 and ULT2) and up to 10 customizable EQ bands — giving you total control over your sound profile.

This flexible audio setup ensures that everything from soft acoustic tracks to booming bass lines sounds clear and compelling, whether you’re relaxing at home, hosting a party, or enjoying a picnic outdoors.

Stable Bluetooth 5.3 Connectivity

Equipped with Bluetooth 5.3, the portable Bluetooth speaker offers reliable wireless streaming with low latency and improved connection strength. It supports common Bluetooth audio codecs including SBC, AAC, and high-quality LDAC — which can deliver better data transmission for higher-resolution sound.

This makes it compatible with a wide range of phones, tablets, laptops, and other Bluetooth-enabled devices.

Party Connect & Stereo Pairing

Want to turn up the volume? The party connect Bluetooth speaker feature lets you wirelessly link multiple Sony speakers together for synchronized playback — perfect for larger events or outdoor celebrations. You can also pair two ULT Field 5 units for true stereo sound and wider audio coverage.

Not only does this boost output power, but it also creates an immersive, multi-directional listening experience.

Rugged, Water-Resistant Design for Outdoor Fun

The Sony ULT Field 5 SRS-ULT50 is rated IP66/IP67 for water and dust resistance, making it durable enough for beach days, poolside lounging, hiking, and unpredictable weather — so you don’t have to worry about splashes, dust, or rain.

Whether you’re on the trail or at a backyard barbecue, this wireless speaker with deep bass stands up to everyday environments and active lifestyles.

Up to 25 Hours of Playback

One of the standout features of this rechargeable Bluetooth speaker is its impressive battery life — up to approx. 25 hours on a single charge.

That means all-day music for road trips, all night at campsite hangouts, or continuous playback at weekend gatherings without needing to recharge.

Built-In Sound Customization

Use Sony’s Sound Connect app to customize your listening experience. Take advantage of the custom EQ Bluetooth speaker settings to fine-tune your audio preferences or switch between sound modes to match different music genres and settings.

This level of control gives you the flexibility to tailor the performance to your taste — whether you prefer deep, thumping bass, vibrant mids, or crisp, detailed highs.

Extras That Enhance Your Party

The ULT Field 5 doesn’t just play your music — it lights up the scene. With 360° party lights speaker features, ambient lighting synchronizes with your sound for a more engaging multimedia experience.

These subtle yet dynamic lights add a visual element to your music, making this model a versatile choice for social settings, celebrations, or casual get-togethers.

Easy Connectivity Options

The speaker supports both Bluetooth and wired connections, including USB-C for charging and a stereo mini jack input for direct audio from devices that don’t support Bluetooth.

There’s also a USB power port that can serve as a power supply for mobile devices — handy when you’re on the go and want to charge your phone while streaming music.

Dimensions & Portability

Despite its powerful audio performance and robust feature set, the Sony portable audio device remains easy to carry. It weighs about 3.3 kg and measures roughly 320 × 144 × 125 mm, striking a balance between powerful sound output and convenient portability.

It’s big enough to fill spaces with sound but compact enough to toss in a car or take to outdoor activities without hassle.

Who This Speaker Is For

The Sony ULT Field 5 SRS-ULT50 is ideal for:

• 🌟 Music lovers seeking immersive, high-quality wireless audio

• 🎉 Party hosts who want sound + lighting effects

• 🚴‍♂️ Outdoor adventurers who need a rugged, water-proof speaker

• 📱 Mobile users who want up to 25 hours of cable-free playback

• 🔊 Anyone looking for a feature-rich wireless portable Bluetooth speaker with versatile connectivity

From beach picnics to backyard barbecues and everything in between, this speaker handles it all with flair and power.