ULT button to boost your bass

Press the ULT button to enjoy powerful sound. Turn ULT POWER SOUND on for enhanced bass.

Side passive radiator

The layout of the side passive radiators has been optimised to enhance bass sound.

Send the sound around with theSound Diffusion Processor

This compact speaker packs impressive surround sound. The Sound Diffusion Processor expands sound in any space with its DSP technology.

Grab and go

With its compact, easy to grab design, you can take it with you wherever you go.

Enjoy your own way

Use the detachable multi-way strap to carry the speaker with you, or to suspend anywhere outdoors for powerful sound in your favourite places.

Take it outside

With IP67 waterproof and dustproof rating, this speaker is ready for listening by the pool, at the park or wherever you like, no matter how dusty the surface – and there’s no problem washing it either. It’s also salt water resistant, which means you can enjoy music even at the beach.

Built to last

The ULT FIELD 1 has undergone extensive shock testing to ensure it can withstand the inevitable knocks, bumps and scrapes that come with everyday use.

Enjoy music for longer

Up to 12 hours of battery life means the ULT FIELD 1 can pump out music as long as you like.

Choice of layout

The speaker is secure stood on its end or laid on its side, for the best use of space – even when that space is limited.

Colours to suit your style

With Black, Off White, Forest Grey and Orange to choose from, you can find the colour that suits you best.

USB Type-C® charge

You can charge the ULT FIELD 1 with the USB Type-C® port.

Add an extra speaker for rich stereo sound with Stereo Pair

Connect two ULT FIELD 1 speakers via Bluetooth® to activate stereo sound (left and right), to experience a rich sense of presence.

Bluetooth Fast Pair

In one tap, the ULT FIELD 1 enables quick, effortless Bluetooth pairing with your Android™ devices.

Sony | Music Center

Optimise audio settings and select playlists. Manage your devices right from your phone with the Sony | Music Center app.

• Sony SRS-ULT10 ULT FIELD 1 Wireless Portable Speaker ×1
• USB-A to USB-C Charging Cable ×1
• Carrying Strap ×1
• Documentation Set ×1