Experience enhanced deep bass and compact power with the Sony ULT FIELD 1 Wireless Speaker (SRS-ULT10/B). Designed for any adventure, this portable powerhouse features Sony’s dedicated ULT Button for instant bass amplification and an advanced Sound Diffusion Processor that fills any room or outdoor setting with rich surround audio.

Built with an IP67 waterproof, dustproof, rustproof, and shockproof rating, the ULT FIELD 1 is ready for the beach, poolside, camping trips, or backyard hangouts. With up to 12 hours of battery life and a multi-way detachable strap, keep the music pumping wherever life takes you—at a fraction of retail price.

✨ Key Feature Highlights

• 🔊 Press the ULT Button for Instant Bass: Hit the dedicated ULT button to unlock boosted low-end punch and deep acoustic resonance.

• 🎧 Sound Diffusion Processor (DSP): Compact size doesn't compromise sound stage. Integrated DSP technology scatters audio evenly across wide outdoor or indoor spaces.

• 🏖️ IP67 Extreme Outdoor Durability: Totally waterproof, dustproof, and salt-water resistant. Wash it off if it gets dirty or play it beachside without worry.

• 🛡️ Shockproof Design: Engineered to withstand the inevitable knocks, bumps, drops, and scrapes of everyday portable use.

• 🔋 Up to 12-Hour Battery Life: Extended battery stamina ensures your soundtrack lasts from day to night on a single charge via USB Type-C.

• 🎒 Detachable Multi-Way Belt Strap: Grab-and-go convenience. Carry it in hand, sling it over a shoulder, or loop it to your backpack/tree branch.

• 📞 Crystal-Clear Hands-Free Calling: Built-in microphone featuring advanced Echo Canceling technology delivers crisp, uninterrupted conference and phone calls.

• 🎶 Wireless Stereo Pair Ready: Wirelessly pair two ULT FIELD 1 speakers together for a true left/right multi-channel stereo experience.

📦 What's Included in the Box

• Sony ULT FIELD 1 Portable Wireless Speaker (SRS-ULT10/B - Black)

• USB Type-C Charging Cable

• Multi-Way Carry Strap / Belt

⚙️ Technical Specifications