# Universal Interface Arms With Micro-Adjustment B-Tech BT8390-VESA400MAF/B

**URL:** https://aio.lv/en/product--b-tech-bt8390-vesa400mafb--406415
**Data updated:** 2025-12-28 21:17 (EET)
**Category:** Brackets & Mounts
**Manufacturer:** B-TECH
**Manufacturer code:** BT8390-VESA400MAF/B
**EAN:** 5019318501197
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 258.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 214.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--b-tech-bt8390-vesa400mafb--406415

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 5.55 EUR |

## Summary description

The B-Tech System X Universal Interface Arms feature micro-adjustment for precise positioning. Designed for VESA 400 compatibility, they ensure a secure fit for various displays. The robust construction provides stability, while the adjustable arms allow for easy customization of display angles. Ideal for both home and office use, these arms enhance viewing comfort and optimize space.

## Long description

System X Universal Interface Arms with Micro-Adjustment (VESA 400) provide a compact, secure solution for mounting medium to large screens on horizontal System X rails. Designed for videowalls and multi-screen setups, these black interface arms support displays up to 70" and a maximum load of 50 kg per the source text, while product data lists a 70 kg capacity — confirm load requirement before installation. The universal design fits most videowall screens and allows both landscape and portrait orientations with a minimal mounted depth of 85 mm for a near-wall finish.
Advantages
The arms offer tool-less micro-adjustment for precise, seamless display alignment and lateral adjustment so position arms anywhere along the rail. A simple ‘hook-on’ installation and included mounting hardware reduce installation time. Safety screws are provided to help prevent unauthorised removal of screens. The universal, modular design is compatible with most screens and supports flexible multi-screen configurations.
Suitable for
Videowalls and multi-screen video installations
Corporate meeting rooms and control rooms
Retail display walls and signage
Projects requiring landscape or portrait mounting
Key specifications
VESA compatibility: 400
Maximum screen size: up to 70"
Maximum weight capacity: source text states 50 kg; product data lists 70 kg — verify before use
Mounted depth: 85 mm
Colour: Black
Number of displays supported per arm: 1
How to use
Fit the interface arms onto System X horizontal mounting rails by sliding the arms to the desired lateral position and hanging the display using the hook-on feature. Use the tool-less micro-adjustment to align the display precisely in relation to neighbouring screens, then secure safety screws to help prevent unauthorised removal. Ensure the display weight and VESA pattern match the arm specifications and follow rail manufacturer instructions for overall system assembly.
Usage recommendations
Confirm the correct load capacity (50 kg vs 70 kg) for your specific screens before installation; adhere to VESA 400 compatibility and follow System X rail load limits and installation guidelines to ensure safe, stable mounting.

## Specifications

### Mounting

| Feature | Value |
|---|---|
| Maximum weight capacity | 70 kg |
| Mounting type | Rail |
| Minimum screen size | 39 " |
| Maximum screen size | 70 " |
| Number of displays supported | 1 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 454.6 mm |
| Depth | 103.7 mm |

### Technical details

| Feature | Value |
|---|---|
| Product type | Flat panel mount arm |

### Features

| Feature | Value |
|---|---|
| Product colour | Black |

## FAQ

### How much does the Universal Interface Arms B-Tech BT8390-VESA400MAF/B cost, and is it available for purchase?

The price is 258.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 03.07.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Universal Interface Arms B-Tech BT8390-VESA400MAF/B 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 B-TECH 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 B-TECH 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: maximum weight capacity, maximum screen size, number of displays supported, 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/406415/53967683_large.webp