# Sony Party Speaker SRS-ULT900AC ULT TOWER 9AC — 7 speakers, Bluetooth, portable, 28.5 kg, Black

**URL:** https://aio.lv/en/product--sony-srsult900accel--11447627
**Data updated:** 2025-12-22 20:05 (EET)
**Category:** Portable Speakers
**Manufacturer:** Sony
**Manufacturer code:** SRSULT900AC.CEL
**EAN:** 4548736164925
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 572.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 473.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sony-srsult900accel--11447627

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Courier delivery to door | 06.07.2026 | 53.99 EUR |

## Summary description

The Sony SRS-ULT900AC ULT TOWER 9AC is a portable party speaker with Bluetooth wireless connection. It has a 7-speaker configuration, weighs 28.5 kg and is finished in black. Intended for parties, events and gatherings, it enables wireless streaming from compatible devices and wider multi-driver sound coverage; the listed weight helps plan transport and placement.

## Long description

Experience powerful sound pressure with the ULT TOWER 9AC party speaker. It delivers deeper bass, 360° Party Sound and synchronised Party Lighting in a portable cabinet with a carry handle and stable castors. The speaker includes an X-Balanced Speaker Unit and ULT DUCT for clear, low-frequency response, multiple tweeters for vocal clarity, karaoke inputs and lighting features to create a festival-like atmosphere at home or events.
Advantages
The speaker offers selectable ULT bass modes (ULT1 for deeper low frequencies and ULT2 for punchy bass), 360° sound coverage from four tweeters and two mid-range drivers, and a large 320 mm x 320 mm X-Balanced woofer for increased diaphragm area and reduced distortion. Built-in ULT DUCT improves bass extension, while splashproof top panel and castors with a carry handle make transport and use at parties convenient. Additional features include Party Connect to sync up to 100 compatible speakers, Stereo Pair via Bluetooth for true left/right playback, microphone inputs and karaoke controls, TV Sound Booster via optical connection, and multipoint Bluetooth pairing for two devices.
Key specifications
Model: ULT TOWER 9AC
X-Balanced Speaker Unit with 320 mm x 320 mm woofer
ULT bass modes: ULT1 (deeper low-frequency) and ULT2 (powerful punchy bass)
360° Party Sound with four tweeters and two mid-range drivers
ULT DUCT for extended bass
360° Party Light (synchronised lighting display)
Party Connect: up to 100 compatible speakers
Stereo Pair via Bluetooth (left/right)
Karaoke support: microphone inputs, Echo and Key Control
Optional wireless ULTMIC1 microphone set (receiver included)
TV Sound Booster via supplied optical cable
Multipoint Bluetooth: pair two devices simultaneously
Portable design: carry handle and stable castors
Splashproof top panel
How to use
Place the ULT TOWER 9AC on a stable surface and use the carry handle and castors to move it into position. Press the ULT button on the top panel to switch between ULT1 and ULT2 bass modes depending on whether you prefer deeper low frequencies or punchier bass. Connect a source via Bluetooth, the optical input for TV, or plug microphones into the dedicated inputs for karaoke and performance. Use the top-panel Echo and Key Control to adjust microphone effects. For synchronized music and lighting with other speakers, press the Party Connect hardware button to add compatible units or pair two speakers via Bluetooth for Stereo Pair. Control sound and lighting presets using the Sony \| Sound Connect app if desired.
Recommendations
For best results, place the speaker centrally in the room to maximise the 360° sound coverage, ensure the top panel remains dry to protect the splashproof surface, and use the supplied optical cable when connecting to a TV to enable the TV Sound Booster function. If using karaoke frequently, consider the optional ULTMIC1 wireless microphone set for easier setup and mobility.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Auto power off | Yes |
| Recommended usage | Universal |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Microphone in | Yes |
| AUX in | Yes |

### Features

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| Wi-Fi | Yes |
| Bluetooth profiles | SBC, A2DP, AAC, AVRCP, LDAC, SPP |
| Frequency range | 2,4 - 2,4 |

### Audio

| Feature | Value |
|---|---|
| Frequency range | 20 - 20000 |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Product design | Tower |
| Protection features | Splash proof |
| Product type | Party speaker |

### Power

| Feature | Value |
|---|---|
| Power consumption (typical) | 148 W |
| AC adapter input voltage | 120/240 |
| AC adapter frequency | 50/60 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 28.5 kg |
| Height | 910 mm |
| Width | 410 mm |
| Depth | 456 mm |

### Loudspeakers

| Feature | Value |
|---|---|
| Woofer diameter | 320 mm |
| Tweeter | Yes |
| Tweeter diameter | 50 mm |
| Woofer | Yes |
| Driver diameter | 120 mm |
| Number of woofer drivers | 1 |
| Number of tweeter drivers | 4 |
| Number of speakers | 7 |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Technical details

| Feature | Value |
|---|---|
| Bluetooth | Yes |
| 3.5 mm connector | Yes |

## FAQ

### How much does the Sony Party Speaker SRS-ULT900AC ULT TOWER 9AC Bluetooth cost, and is it available for purchase?

The price is 572.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Wednesday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Sony Party Speaker SRS-ULT900AC ULT TOWER 9AC Bluetooth be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Sony products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Sony service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, number of speakers, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11447627/66150527_large.webp