Sony SRS-ULT900 ULT TOWER 9 Party Speaker

Fans can get closer to the music with 9x diamond-certified GRAMMY® Award-nominated global superstar Post Malone x Sony’s ULT POWER SOUND Wireless Speakers.

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,2 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 life2, 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.2

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.

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

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.4,8,9

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.