Sony ULT Field 1 Specifications and Review

Last updated: September 4, 2026

The Sony ULT Field 1 ranks #79 out of 142 total Medium Size Portable Bluetooth Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

Brand: Sony

Prices on this page were last checked September 5, 2026 at 5:19 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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Sony ULT Field 1 - ranked #79 of 142 Medium Size Portable Bluetooth Speakers · Editor's rating 3.1/5
Check price at Amazon ($98.00) →

#79 Sony ULT Field 1: $98.00 Amazon eBay

Pros: IP67 rated, survives drops and 1m submersion. Real-world battery around 28+ hours with ULT (bass boost) mode off. Stereo-pairs with a second ULT Field 1.

Cons: Upper midrange peak, rolled off treble

Related speakers: Sony ULT Field 3, Sony ULT Field 5, Sony ULT Field 7.

How it compares: Just above it: JBL Grip - $2 more, 2 more hours of battery life. Just below it: Treblab HD77 - $28 cheaper, 8 more hours of battery life.

AppYes
Aux InputNo
Battery Life12 hours (Manufacturer specified)
Bluetooth CodecsAAC, SBC
Bluetooth Version5.3
Built in MicrophoneYes
Digital Aux InputNo
Dimensions8.1" x 3" x 3" (206 x 77 x 76 mm)
Drivers83mm x 42mm woofer, 16mm tweeter + passive radiator
EQYes
IP RatingIP67
OmnidirectionalNo
Party ModeYes (Party Connect up to 100 speakers)
Power BankNo
Power InputUSB-C
StereoNo
TWSYes
Weight1.4 lbs / 650 g
Check current price at Amazon ($98.00) →Search eBay for Sony ULT Field 1 →

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