Sony ULT Field 1 Specifications and Review

Last updated: August 17, 2026

The Sony ULT Field 1 ranks #76 out of 136 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 August 21, 2026 at 5:30 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.

As an eBay Partner, we may be compensated if you make a purchase.

Sony ULT Field 1 - ranked #76 of 136 Medium Size Portable Bluetooth Speakers · Editor's rating 3.1/5
Check price at Amazon ($78.00) →

#76 Sony ULT Field 1: $78.00 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 - $22 more, 2 more hours of battery life. Just below it: Treblab HD77 - $8 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 ($78.00) →Search eBay for Sony ULT Field 1 →

More Sony speakers →