description Sony ULT FIELD 1 Overview
The Sony ULT FIELD 1 is a compact, portable speaker utilizing a unique acoustic architecture featuring a spherical baffle and multiple drivers to deliver a wide, immersive soundstage with enhanced bass response for outdoor use.
help Sony ULT FIELD 1 FAQ
How long does the Sony ULT FIELD 1 battery last outdoors?
Sony rates the ULT FIELD 1 for about 12 hours of playback, although high volume and the ULT bass mode can reduce runtime. It charges through USB-C and is rated IP67 for dust and water resistance. [Sony specifications](https://www.sony.jp/active-speaker/products/ULT_FIELD1/spec/)
What does the ULT button do on the Sony ULT FIELD 1?
The ULT button activates Sony's bass-enhancement sound mode, which is aimed at genres such as hip-hop, electronic music, and R&B. You can also adjust the speaker's sound through the Sony Music Center app.
Can two Sony ULT FIELD 1 speakers play in stereo?
Yes, two ULT FIELD 1 units can be connected with Sony Music Center to create a left and right stereo pair. The stereo-pair function requires two speakers of the same model. [Sony help guide](https://helpguide.sony.net/speaker/7862/v1/en/contents/TP1001477504.html)
Can the Sony ULT FIELD 1 be used for phone calls?
Yes, it has a built-in microphone and a call button for hands-free calling over Bluetooth. The USB-C port is for charging and does not function as a USB audio input. [Sony help guide](https://helpguide.sony.net/speaker/7862/v1/en/contents/TP1001477503.html)
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