Sony ULT POWER SOUND Series Party Speaker SRS-ULT900

The Sony ULT TOWER 9 is a powerful, portable party speaker that delivers booming bass, 360° sound, and dynamic lighting to create an immersive concert-like experience anywhere. With up to 25 hours of battery life, karaoke and guitar inputs, and wheels for easy transport, it's perfect for any celebration. The ULT button offers two bass modes for customizable vibes, while the X-Balanced Speaker Unit ensures deep, distortion-free audio. Party Connect links up to 100 speakers, and the Sony Sound Connect app offers full control. Splash-resistant design, TV Sound Booster, and eco-conscious materials make this speaker both fun and forward-thinking. Experience immersive audio with this wireless speaker designed to deliver powerful sound and deep bass. Featuring customizable lighting, dual woofers, and versatile connectivity, it’s ideal for music lovers who want to elevate their listening experience at home or on the go.

Powerful party sound you can move around

Bigger bass, powerful sound pressure, 360° Party Sound and 360° Party Light makes everywhere a concert venue. With up to 25-hours of battery life, plus a convenient carrying handle and castors, it’s easy to take your speaker, complete with karaoke and a guitar input, almost anywhere.

Massive bass. Ultimate vibe.

Dive into the front row of a concert with a speaker built for music lovers. Experience heart-pounding audio with dynamic sound and massive bass. Get ready for the ultimate vibe.

Powerful sound and bigger bass for better parties

The prominent ULT button gives you access to two exciting bass modes. Powerful bass to feel the beat and get you dancing, or deep bass boost for low-frequency sound that will make your heart tremble.

Hit the button. Feel the bass.

Press the ULT button to enjoy the powerful sound of ULT1 and ULT2. Select ULT1 for deeper, lower frequency bass. Select ULT2 for powerful, punchy bass.

Surround yourself in sound

360º Party Sound carries powerful sound to every corner of the room. Four tweeters deliver clear sound to both the front and rear of the speaker, with two mid-range speakers for vocal clarity. Feel the bass sound, thanks to the large X-Balanced Speaker Unit. Together, they let everyone in the room feel the power of the music, wherever they are.

Powerful sound with X-Balanced Speaker Unit

Our X-Balanced Speaker Unit features an almost square diaphragm, for an increased surface area compared to conventional speaker units. The 320 mm x 320 mm large woofer unit gives clear and deep bass sound.

A richer, clearer, deeper experience

The non-circular diaphragm not only maximizes the are of speaker diaphragm but it also increases sound pressure for deeper and punchier bass, less distortion and greater vocal clarity. Altogether, it elevates your listening experience.

Booming bass with ULT DUCT

The ULT DUCT improves bass extension for music you can feel. A clever baffle design helps smoothly spread bass throughout your space.

Sound Field Optimization

By detecting local noise, it automatically changes the sound setting to deliver clear music even when you are surrounded by other sounds.

10-Band Equalizer

Select your favorite sound setting and hear your music exactly as you like it.

Take the party with you

With a built-in battery, carry handle and sturdy castors, you have the ultimate freedom to take the party with you. Plus, a splash resistant6 top panel is ideal for for worry-free use.

The party never stops

Up to 25 hours of battery life, the ULT TOWER 9 will keep your party powered all through the night.

Charge in just 10 minutes

With quick charging, you can get up to 180 minutes of playing time with just 10 minutes of charging.

Take care of your battery

The Battery Care function means you never have to worry about overcharging your speaker, so it’s more dependable for longer.

Carry with ease

An easy-to-carry handle makes it simple to carry or lift your speaker, and the stable castors mean you can pull it over long distances.

Splash resistant top panel

Don’t worry about spills on the top panel. With a splash resistant design, the party plays on.

Lights and karaoke for bigger, better parties

Set the mood with party lighting and add instant fun with karaoke to make every party unforgettable.

Be your own festival with 360° Party Light

The ULT TOWER 9 doesn’t just play music, it also lights up your party with a synchronized lighting display. So you’ll feel like you’re at a festival.

Music that really gets you moving with Party Connect

Link up to 100 compatible speakers to synchronize music and lighting through Party Connect – fill any location with powerful sound to create the ultimate party atmosphere in any location.4 And there’s no app required, just add speakers with the dedicated CONNECT button.

Add an extra speaker for rich stereo sound with Stereo Pair

Connect two ULT TOWER 9 speakers via Bluetooth® function to activate stereo sound (left and right), to experience a rich sense of presence.

Karaoke control at your fingertips

Perfect your karaoke with the Echo and Key Control function on the top panel. There’s also a second input, so you can plug in another microphone for a duet or even a guitar and use your speaker as an amp.

Plug in. Sing up.

The optional ULT MIC includes a pair of durable, high-quality wireless karaoke mics, along with a mic jack receiver (6.3mm) for easy, always-ready connection to your ULT TOWER.

Total convenience, total customization

The ULT TOWER 9 is even better with the Sony | Sound Connect app. The simple interface lets you dial in your ideal sound and shortcut settings, including lighting control. It can even keep track of your recent listening history.

Check your charge on the app

Keep an eye on your battery level on the Sony | Sound Connect app.

Boosting live performance

Sony’s unique function, TV Sound Booster, lets you enjoy enhanced audio-visual sound, watching everything from live performance videos to movies. With deep bass and realistic high-frequency sound spread, you get a true audio-visual experience that draws you right into the action. The ULT TOWER 9 ramps up your TV sound with the X-Balanced Speaker Unit, while tweeters on the rear help fill the room with pure sound.

Connect TV and ULT TOWER 9

Connect the ULT TOWER 9 to your TV using the supplied optical cable.

Activate TV Sound Booster

Switch on TV Sound Booster in the Sony | Sound Connect app.

How the TV Sound Booster works

A powerful combination of TV sound and the ULT TOWER 9’s two rear tweeters and the X-Balanced Speaker Unit will provide you with an upgraded TV sound, whatever you watch.

Multipoint Connection

For total convenience, the ULT TOWER 9 can be paired with two compatible Bluetooth devices at the same time, automatically switching between them when you start playback on either device.

Bluetooth Fast Pair

In one tap, the ULT TOWER 9 enables quick, effortless Bluetooth pairing with your Android devices.

USB Play, and charge devices

Plug in and play music with USB connectivity, plus you can use the ULT TOWER 9 to charge up your other devices.

Aiming to achieve a zero environmental footprint

Inspired by the beauty of the world, we are doing our part to help preserve the Earth while still offering superior sound quality and listening experiences. With a goal of achieving a zero environmental footprint across the entire Sony Group by the year 2050, we are accelerating numerous initiatives for the environment.

Environment in mind

Our products are designed not only to pursue sound quality, but also to consider the environment. The recycled plastic originally developed for Sony is partially used for the body of the ULT TOWER 9. This reflects how Sony strives to reduce the environmental impact of our products.

Accessibility

We believe technology should make the world more interactive, more creative, more entertaining, and more inclusive. By incorporating human-centric, inclusive design into our audio products, we deliver our KANDO experience to all our users, regardless of age, ability or environment.