Description
ULT POWER SOUND series | ULT TOWER 9AC Party Speaker
ULT TOWER 9AC
Discover the ULT TOWER 9AC
Massive bass and stronger sound
ULT TOWER 9AC
Bigger bass, powerful sound pressure, and 360° Party Sound and Light are ready to turn your venue into a concert. You can plug in a guitar and mic and become a karaoke star, or connect your TV for a boosted audio expedience.
Massive Bass. Ultimate Vibe.
ULT POWER SOUND™ series – Dive into the front row of a concert with headphones and speakers built for music lovers. Experience heart-pounding audio with dynamic sound and massive bass. Get ready for the ultimate vibe.
All around power sound
Enhance all your low-end frequencies for exceptional bass. Enjoy two different type of bass-emphasized sound, powerful and deep bass, while the 360° Party Sound spreads music to every corner of the room.
All around power sound
Enhance all your low-end frequencies for exceptional bass. Enjoy two different type of bass-emphasized sound, powerful and deep bass, while the 360° Party Sound spreads music to every corner of the room.
A portable party that’s easy to transport
Larger castors make this speaker easy to move without heavy carrying and the handle makes it easy to take the party wherever you go.
A portable party that’s easy to transport
Larger castors make this speaker easy to move without heavy carrying and the handle makes it easy to take the party wherever you go.
More ways for more fun
Karaoke and guitar inputs are perfect for kickstarting your karaoke night. You’ll get complete control of your vocal sound with Echo and Key Controls on the top panel, and you can even plug in a second microphone for duets.
Powerful ULT POWER SOUND
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.
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 area 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.
A richer, clearer, deeper experience
The non-circular diaphragm not only maximizes the area 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 ambient noise, sound settings can be automatically tuned to deliver clear sound even in noisy or outdoor environments.
10 Band Equalizer
Select your favorite sound setting and hear your music exactly as you like it.
Take the party with you
Your party on wheels
The convenient carry handle and stable castors make it easier to transport your speaker. A splashproof top panel is ideal for for worry-free use at spill-prone parties.
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.
Splashproof top panel
Don’t worry about spills on the top panel. With a splashproof design, the party plays on.
More features means more fun
Lights and karaoke for bigger, better parties
Add mood with lighting, and instant fun with karaoke, to make every party memorable.
Be your own festival with 360° Party Light
The ULT TOWER 9AC 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.
Be your own festival with 360° Party Light
The ULT TOWER 9AC 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. And there’s no app required, just add speakers with the dedicated hardware button.
Add an extra speaker for rich stereo sound with Stereo Pair
Connect two ULT TOWER 9AC 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 ULTMIC1 consists of a pair of durable, high-quality wireless karaoke mics, plus a mic jack receiver for always-ready and easy connection to your ULT TOWER.

Total convenience, total customization
The ULT TOWER 9AC 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.
TV Sound Booster
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 9AC 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 9AC
Connect the ULT TOWER 9AC to your TV using the supplied optical cable.
Activate TV Sound Booster
Switch on TV Sound Booster in the Sony | Sound Connect App.
Activate the sound of ULT TOWER 9AC and TV
1. Play content on TV.
2. Adjust the TV volume using its remote control so that you can clearly hear dialogue.
3. Adjust the volume of the ULT TOWER 9AC from the Sony | Sound Connect app so that the bass sound is as loud as you like.
How the TV Sound Booster works
A powerful combination of TV sound and the ULT TOWER 9AC’s two rear tweeters and the X-Balanced Speaker Unit will provide you with an upgraded TV sound, whatever you watch.
Usability
Multipoint Connection
For total convenience, the ULT TOWER 9AC can be paired with two 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 9AC 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 9AC to charge up your other devices.
Environment and Accessibility
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 9AC. 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.
ULT TOWER 9AC FULL SPECIFICATIONS
WHAT’S IN THE BOX | AC Power Cord Optical Cable |
SPEAKER TYPE | Woofer/Mid (L/R)/Tweeter (L/R)/Rear Tweeter (L/R) |
NUMBER OF SPEAKER | Tweeter Unit: 2, Rear Tweeter Unit: 2, Woofer Unit: 1, Midrange Unit: 2 |
Speaker Size | Woofer Unit: Approx. 320 mm x 320 mm, Midrange Unit: Approx. Φ 120 mm, Tweeter Unit: Approx. Φ 50 mm,Rear Tweeter Unit: Approx. Φ 40 mm |
X-BALANCED SPEAKER UNIT | Woofer Unit |
SOUND MODES | ULT POWER SOUND: 2 (ULT1/ULT2), Volume Step: 50, custom EQ band: 10 |
SOUND FUNCTIONS | TV Sound Booster, Sound Field Optimization |
DIMENSIONS (W X H X D) | Approx. 410 mm x 910 mm x 456 mm |
WEIGHT | Approx. 28.5 kg |
COMMUNICATION SYSTEM | Version 5.3 |
COMPATIBLE PROFILES | A2DP, AVRCP, SPP |
SPEAKER ADD FUNCTION | Stereo Pair, Party Connect |
SUPPORTED CODECS | SBC, AAC, LDAC |
FREQUENCY TRANSMISSION RANGE | 20 Hz–20,000 Hz (44.1 kHz sampling) |
FREQUENCY RANGE | 2.4 GHz |
INPUT AND OUTPUT TERMINALS | Stereo Mini Jack (IN),USB A, Optical Digital Input, MIC Input (Φ 6.3 mm), Guitar/MIC Input (Φ 6.3 mm) |
COMPATIBLE SMARTPHONE APPS | Sound Connect |
POWER SUPPLY | AC 120–240 V, 50/60 Hz |
USB POWER PORT FOR SMARTPHONE | Yes |
POWER CONSUMPTION | Approx. 148 W |
WATER PROTECTION | Splashproof (top surface) |
POWER CONSUMPTION (OFF MODE) | 0.3 W |
POWER CONSUMPTION (STANDBY MODE / LOW POWER MODE) | Not Available |
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