Sony ULT TOWER 9AC ULT900AC 200W Party Speaker

ULT900AC: Sony ULT TOWER 9AC is a mains-powered party speaker with Bluetooth, 360° party sound and lighting, two ULT bass modes, and microphone inputs. Its wheels and handle support moving it between rooms or venues, but its 33 kg weight and corded power make it a large, mains-dependent choice rather than a portable battery speaker.

At a glance

Two selectable ULT sound modes: Deep Bass and Attack Bass.
360° party sound and music-synchronised lighting, with lighting control from the touch panel or app.
Microphone and microphone/guitar inputs support karaoke or guitar use. Microphones are not listed as included.
Bluetooth, auxiliary, optical and USB connections are listed, alongside TV Sound Booster.

Price

£479.00Save 20%

Reference price: ~~£599.00~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Two microphone-related inputs and built-in mic holders suit karaoke setups without implying microphones are supplied.
A 10-band equaliser and two bass modes offer ways to adjust the sound to the room or music.
Handle and wheels help move the 33 kg unit over suitable surfaces.
Optical input and a stated TV Sound Booster provide a wired option for TV audio.

Cons

Corded electric power limits use to locations with a suitable mains outlet.
At 33 kg, it is heavy to lift despite the handle and wheels.
The listing says it is not water resistant, so it is not suited to wet environments.

Technical specifications

15 specifications

Identity
Brand	Sony
Model	ULT900AC

Audio and features
Maximum speaker output power	200 Watts
Frequency response	20 Hz
Audio output mode	Surround
Speaker type	Woofer/Mid(L/R)/Tweeter(L/R)/Rear Tweeter(L/R)

Connectivity and controls
Wireless connection listed	Bluetooth, Aux, Optical, USB
Control methods listed	Touch

Power and battery
Power configuration	Corded Electric
Input voltage	230 Volts (AC)

Dimensions and installation
Dimensions	45.6D x 41W x 91H centimetres
Weight listed	33 Kilograms
Mounting types listed	Floor Standing

Materials and protection
Colour	Black
Water resistance listed	Not Water Resistant

What’s in the box

Included

Power cable
Optical cable

Who is it for?

A good fit for

Parties and larger indoor spaces where mains power and a tall floor-standing speaker are practical.
Karaoke users who already have suitable microphones, or guitar players seeking a speaker with a guitar input.
Buyers wanting 360° lighting, adjustable sound and wired TV connectivity.

Less suited to

Outdoor or wet use where water resistance is needed.
Buyers seeking a battery-powered speaker or a lightweight unit for frequent carrying.

Sony ULT TOWER 9AC ULT900AC 200W Party Speaker · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.9 / 5 · 54 ratings

5 stars89%89%
4 stars11%11%
3 stars0%0%
2 stars0%0%
1 star0%0%

Aggregate ratings are strongly positive, with most ratings in the five-star category and the remainder in the four-star category. No written customer feedback is supplied, so these figures do not identify what owners liked or disliked. They offer limited guidance on suitability: the listed mains power, 33 kg weight and non-water-resistant rating remain important practical considerations.

Frequently asked questions

Does the Sony ULT TOWER 9AC run on battery?

The listing specifies corded electric power and does not provide a battery-playback claim. Plan to use it near a mains outlet.

Are microphones included for karaoke?

Microphone inputs and two mic holders are listed, but the stated box contents name only a power cable and optical cable. Check the selected listing if you need microphones included.

Can it connect to a TV?

Optical input and TV Sound Booster are listed, and the stated box contents include an optical cable.

Can it be used outdoors?

The listing describes it as not water resistant. Avoid treating it as suitable for wet conditions.