# ATEN StreamLIVE PRO 4K Ultra HD multi‑input video encoder/streamer, 4K, H.264, AAC, MP4, 10 Mbps Ethernet, 12 V DC/7.5 A, metal housing, black

**URL:** https://aio.lv/en/product--aten-uc9040-at-g--4143778
**Data updated:** 2026-02-03 08:09 (EET)
**Category:** KVM Extenders
**Manufacturer:** ATEN
**Manufacturer code:** UC9040-AT-G
**EAN:** 4710469340079
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 761.49 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 629.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--aten-uc9040-at-g--4143778

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 4.99 EUR |

## Summary description

The ATEN StreamLIVE PRO 4K Ultra HD is a professional multi‑input video encoder and streamer supporting up to 2160p (4K) and common resolutions down to 640×480. It encodes video in H.264 and audio in AAC, outputs MP4 files and streams over Ethernet at 10 Mbit/s. Powered by 12 V DC (output current 7.5 A) with a metal black housing, it is suitable for live broadcasting, corporate streaming, lecture capture and AV production.

## Long description

ATEN StreamLIVE PRO is an all-in-one 4-port HDMI AV mixer and multi-input video encoder/streamer designed for live production and recording. It integrates direct streaming, direct recording, and scene-based switching into a compact metal housing, and pairs with an iPad for control, preview monitoring, real-time editing and layout arrangement. The unit supports up to 4K input/resolution handling with H.264 video encoding, AAC audio, MP4 recording, and Ethernet streaming.
Advantages
The StreamLIVE PRO simplifies live production by combining an HDMI AV mixer, hardware encoder and streaming server into a single portable device, reducing the need for a computer and external monitor. Its iPad-based OnAir Pro control enables drag-and-drop custom layouts, DVE and graphic editing for real-time scene composition. It supports direct dual-streaming to two platforms simultaneously and records H.264 FHD files directly to an attached USB drive for on-demand use.
Suitable for
Live streaming to social platforms and RTMP destinations
Recording video-on-demand content for post-production
Corporate broadcasts, lectures and training sessions
Compact on-location video production and event streaming
Key specifications
Multi-input AV mixer with 4 HDMI inputs and scene-based switching
Hardware H.264 video encoder and AAC audio encoding
Supports up to 4K (2160p) input and common lower resolutions
Direct recording to external USB drive in MP4 container (H.264)
Dual simultaneous streaming over Ethernet (RTMP) at up to 10 Mbps
OnAir Pro app for iPad with DVE, layout editor and overlay support
Power: 12 V DC, supplied adapter; metal black housing; portable weight ~1.85–2.3 kg depending on configuration
How to use
Connect cameras and HDMI sources to the StreamLIVE PRO inputs, attach an iPad running the OnAir Pro app for control and preview, and connect an external USB drive if you plan to record. Use the iPad interface to design layouts, add graphics or titles, and switch scenes in real time. Configure network settings to stream via Ethernet to one or two RTMP destinations, or choose to record locally to the connected USB drive. Use the supplied 12 V DC power adapter to power the unit.
Usage recommendations
For stable live streaming, use a wired Ethernet connection and set streaming bitrate according to available upload bandwidth (the device supports streaming at up to 10 Mbps). When recording to USB storage, use a high-speed external drive formatted to a compatible file system and ensure sufficient free capacity for long recordings.

## Specifications

| Feature | Value |
|---|---|
| Audio formats supported | MP4, AAC |
| Compression ratio | 4:2:2 |
| Audio (L/R) in | 2 |
| Audio (L/R) out | 1 |
| Ethernet LAN data rates | 10 |
| Video formats supported | H.264 |
| Maximum frame rate | 60 fps |
| HDMI in | 4 |
| Number of HDMI outputs | 2 |
| Video resolutions | 1680 x 1050, 1600 x 1200, 1440 x 1080, 1280 x 1024, 1024 x 768, 800 x 600, 640 x 480 |
| HD type | 4K Ultra HD |
| Video processing | 8 bit |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 0 - 80 |
| Storage temperature (T-T) | -20 - 60 |
| Operating temperature (T-T) | 0 - 40 |

### Technical details

| Feature | Value |
|---|---|
| Weight | 1.85 kg |
| Ethernet LAN | Yes |
| Product colour | Black |
| Housing material | Metal |

### Power

| Feature | Value |
|---|---|
| Output current | 7.5 A |
| Power source type | DC |
| AC input voltage | 12 |
| Power consumption (max) | 17.37 W |

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 2.0 ports quantity | 1 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 96.6 mm |
| Width | 188.9 mm |
| Depth | 288.9 mm |

### Features

| Feature | Value |
|---|---|
| Supported video modes | 2160p, 1080p, 720p, 480p |

## FAQ

### How much does the ATEN StreamLIVE PRO 4K Ultra HD video encoder/streamer cost, and is it available for purchase?

The price is 761.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 29.07.2026 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, Leasing for legal entities. All transactions are 100% secure and encrypted.

### 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 ATEN 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 ATEN 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, 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.

### Where can I download the instructions for ATEN StreamLIVE PRO 4K Ultra HD video encoder/streamer?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/4143778/54585254_large.webp

