Q1 — Can I safely use this speaker outdoors — e.g., at the beach, poolside, or during rain?

A1: Yes. The ULT Field 1’s IP67 rating means it's designed to resist water, dust, rust, and shocks — so it should handle rain, splashes, or dusty environments. Just avoid prolonged submersion.

Q2 — Is the sound quality good enough for music outdoors, or is it only for casual listening?

A2: Given its small size, it's not a high-power party speaker. But thanks to its bass-boost mode and Sony’s tuning, it delivers a decent, balanced sound with enhanced bass — suitable for casual listening, commuting, small group gatherings outdoors, or travel.

Q3 — Will the battery last for a full day’s outing or travel without recharge?

A3: The speaker offers up to 12 hours per full charge, which is usually sufficient for day trips, commutes, or outdoor activities. So yes — for a typical outing or daily use, battery life should be adequate.

Sony ULT Field 1 Waterproof Portable Bluetooth Speaker, Enhanced Bass, 12h Battery, IP67 Rated Dustproof Shockproof Rustproof, Detachable Strap (SRSULT10B), Black

Key Specifications

Forest Gray

3"D x 8.1"W x 3.1"H

Item Weight

650 Grams

Control Method

Touch

Speaker Size

16 Millimeters

Power Source

Battery Powered

Tweeter Diameter

0.6 Inches

Reviewed by 2422 people this week!

★★★★★

Buy at Amazon

Prime Delivery • 30-Day Returns

Sony

4.6

2422 reviews

Buy at Amazon

Prime Delivery • 30-Day Returns

Sony ULT Field 1 Waterproof Portable Bluetooth Speaker, Enhanced Bass, 12h Battery, IP67 Rated Dustproof Shockproof Rustproof, Detachable Strap (SRSULT10B), Black

Name: Sony ULT Field 1 Waterproof Portable Bluetooth Speaker, Enhanced Bass, 12h Battery, IP67 Rated Dustproof Shockproof Rustproof, Detachable Strap (SRSULT10B), Black
Brand: Sony
SKU: B0CXL4FQBK
Availability: InStock
Rating: 4.6 (2422 reviews)

The Sony ULT Field 1 is a compact, rugged Bluetooth speaker designed for on-the-go and outdoor use. It emphasizes durability (IP67 water, dust, rust and shock resistance), enhanced bass via a dedicated “ULT power” mode, a detachable multi-way strap for easy carrying or hanging, and up to 12 hours of battery life. It’s targeted at users who want a portable speaker that can handle exposure to water, dust, or rough conditions — whether you’re at the beach, camping, riding, or just out and about.

Free Shipping

2-Year Warranty

30-Day Returns

Key Features

BASS-BOOSTING: Portable bluetooth speakers like the Sony ULT Field 1 Wireless Ultra Portable Bluetooth Compact Speaker, allow you to unleash the power of deep, resonant bass with the ULT button. This small bluetooth speaker brings your music to life with its bass-boosting capabilities, making it a unique feature for music enthusiasts.

WATERPROOF: The Sony ULT Field 1 speaker doubles as a shower speaker bluetooth waterproof, allowing you to carry your music with you effortlessly, thanks to its compact design and detachable multi-way strap. As a waterproof speaker, it offers flexibility in how you use it - hang it, hold it, or secure it as per your convenience, making it ideal for outdoor activities, travel, or simply moving around the house.

DURABLE: Outdoor speakers like the Sony ULT Field 1 speaker, are known for their durability, boasting an IP67 rating. This wireless speaker is waterproof, rustproof, dustproof, and shockproof, making it a reliable choice for outdoor use, without worrying about damage from the elements.

LONG-LASTING: Bluetooth speakers like the Sony ULT Field 1 speaker, allow you to listen to your favorite tunes for extended periods with its long battery life. As one of the best portable bluetooth speakers, it offers up to 12 hours of uninterrupted music, ensuring a continuous supply of music, whether you're hosting a party, working out, or simply relaxing at home.

SURROUND SOUND: Experience a concert-like atmosphere in your own space with the Sony ULT Field 1 speaker's impressive surround sound. The sound diffusion processor fills up any space with sound through its DSP technology, creating a rich and immersive audio experience, particularly beneficial for those who appreciate high-quality sound.

Available Colors

Black

Off White

Forest Gray

Orange

+ more

Available Styles & Variants

ULT Field 1

ULT Field 5

ULT Field 3

Key Considerations

Durability & Environmental Resistance: For outdoor and travel use, water-, dust-, rust- and shock-resistance (via ratings like IP67) are critical to ensure longevity and minimize risk in diverse conditions (rain, sand, splashes, drops).

Portability & Convenience: Size, weight, and carrying/hanging options (strap/loop) influence how easy it is to bring the speaker along on hikes, rides, or trips.

Sound Output & Bass vs Size: Small portable speakers often trade off bass depth and loudness for compactness; the design and driver quality determine how “full” and balanced the audio can be. A bass-boost mode or acoustic tuning helps maximize output.

Battery Life & Realistic Use: For mobile use, battery capacity and efficiency are key — enough runtime to cover trips, outdoor sessions, or commutes without frequent recharging.

Connectivity & Flexibility: Stable Bluetooth connection, ease of pairing, ability to pair with phones or other devices reliably, and basic controls — important when you’re outdoors or on the move.

The ULT Field 1 carries an IP67 rating, meaning it’s designed to withstand water exposure, dust, rust, and shocks — making it well-suited for outdoor, rain, beach, or rugged travel situations. That reduces worry about splashes, dust, or rough handling — a big plus if you ride a bike, hike, camp, or often use the speaker outdoors.

These factors represent the most critical aspects that will impact your satisfaction with this product.

Customer Reviews

Super speaker

2025-12-07T19:26:42.342Z

Super speaker. Purchased Sony ULT Field 1, JBL Flip 6, Bose SoundLink Flex and SoundLink Revolve +II for comparison (give away Bluetooth speaker at end of annual international trips, so I go through a few of them).

Nick P.

EXCELLENT Speaker

2025-12-07T19:27:01.414Z

We were on the market for a bluetooth portable speaker for our 18 year old daughter as a birthday present. We normally gravitate to the JBL brand - which ARE, and still remain to be, great speakers.

Debbie

Frequently Asked Questions

Final Verdict

The Sony ULT Field 1 Portable Bluetooth Speaker is a well-designed, rugged, and practical choice if you want a compact speaker that can go anywhere — rain, beach, city ride, travel — without worrying about water, dust, or rough handling. Its combination of portability, durability (IP67), decent sound with bass enhancement, and decent battery life (≈12h) makes it a solid “everyday carry / outdoor companion” speaker rather than a party-level audio system.