Sony ULT Field 1 Waterproof Portable Bluetooth Speaker – Black

Sony ULT Field 1 Waterproof Portable Bluetooth Speaker (SRSULT10B), Black – Ultimate Audio Anywhere You Go

Take your music everywhere with the Sony ULT Field 1 Portable Bluetooth Speaker (Model: SRSULT10B). Designed for adventurers, audiophiles, and everyday users who crave crisp, powerful sound wherever they are, this rugged speaker packs serious performance in a compact form factor. Whether you’re on the beach, by the pool, hiking a trail, or relaxing in your backyard, the ULT Field 1 delivers bold bass, long-lasting battery life, and superior durability — all wrapped in a sleek, minimalist black finish.

🎵 Immersive Sound with Enhanced Bass

Sony has engineered the ULT Field 1 to punch far above its weight class when it comes to sound performance. Powered by Sony’s exclusive ULT (Ultimate Sound) Technology, the speaker brings deep, resonant bass and balanced audio across all frequencies. This enhanced low-end performance gives your playlists a richer, more immersive sound, perfect for genres like EDM, hip-hop, rock, and pop.

The ULT Sound Mode lets you amplify the bass with the touch of a button — a feature especially valuable when you’re outdoors and want your music to cut through ambient noise.

💧 Waterproof, Dustproof, Shockproof, and Rustproof – IP67 Certified

Built to endure the elements, the Sony ULT Field 1 is IP67 rated, meaning it’s:

• Waterproof – Safe to use in the rain or even submerge in water up to 1 meter for 30 minutes.
• Dustproof – Ideal for sandy environments like beaches and deserts.
• Shockproof – Withstands accidental drops and bumps.
• Rustproof – Designed with corrosion-resistant materials to ensure longevity, even in salty air or humid conditions.

This speaker doesn’t just survive the adventure — it thrives in it.

🔋 12 Hours of Battery Life

The SRSULT10B delivers up to 12 hours of continuous playback on a single charge. Whether you’re heading out for a day trip, camping overnight, or spending long hours on the go, you can trust that the music won’t stop. And with USB-C fast charging, a short top-up keeps you going when you’re pressed for time.

📶 Seamless Bluetooth Connectivity

With Bluetooth 5.3, you get ultra-stable wireless performance and reduced latency for a seamless listening experience. Pairing with your smartphone, tablet, or laptop is fast and intuitive. You can also connect multiple speakers using Stereo Pairing Mode for a wider, more immersive soundstage — perfect for parties and gatherings.

🎒 Portable Design with Detachable Strap

Weighing just under a pound and small enough to fit into most bags, the ULT Field 1 is built for portability. It includes a detachable strap that makes it easy to clip to a backpack, hang from a hook, or carry by hand. Wherever your adventure takes you, the ULT Field 1 is ready to tag along.

📊 Sony ULT Field 1 Specifications

🌍 Learn More About Sony’s Audio Technology

To dive deeper into the innovation behind Sony’s ULT Sound technology, check out Sony’s Official Audio Technology Page for expert insights, product comparisons, and the latest audio solutions.

Why Choose the Sony ULT Field 1?

With its compact design, tough exterior, rich sound, and user-friendly features, the Sony ULT Field 1 is the ideal Bluetooth speaker for outdoor enthusiasts, travelers, and anyone who wants premium audio on the go. Its powerful ULT Sound Mode, long battery life, and IP67 durability make it one of the best portable speakers in its class.

Whether you’re hiking in the mountains, chilling by the beach, or having a backyard BBQ, the ULT Field 1 delivers — rain or shine.

Ready to Elevate Your Outdoor Audio Experience?
Choose the Sony ULT Field 1 SRSULT10B — and hear the difference wherever life takes you.