# USB HD Audio Adapter InLine 33053I 24 Bit 192kHz Digital Coax/Toslink/I2S Converter

**URL:** https://aio.lv/en/product--inline-33053i--1100934
**Data updated:** 2026-01-03 12:48 (EET)
**Category:** Video Switches & Splitters
**Manufacturer:** InLine
**Manufacturer code:** 33053I
**EAN:** 4043718204007
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 57.49 €
**Prices and availability valid until:** 2026-07-04 23:59
**Price without VAT (21%):** 47.51 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inline-33053i--1100934

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The InLine USB HD Audio Adapter 33053I supports 24 Bit/192kHz audio output, providing high-quality sound conversion to digital coaxial, Toslink, and I2S formats. Ideal for connecting audio devices to computers, it ensures minimal latency and superior audio fidelity. Compact and portable, this adapter is perfect for audiophiles and professionals seeking reliable audio performance.

## Long description

The InLine USB HD Audio Adapter 33053I is a compact USB audio converter that uses the C-Media CM6631A USB2.0 audio controller and supports the USB Audio Device Class Definition V2.0. It provides high-definition audio processing up to 192 kHz/24-bit and converts USB audio to digital coaxial, Toslink (optical) and I2S output formats for connection to external DACs and digital inputs.
Advantages
This adapter supports 24-bit/192 kHz audio and is based on the CM6631A controller for reliable USB2.0 audio performance. It offers multiple digital output formats (coaxial, Toslink, I2S) in a compact, portable housing and is designed for low-latency, high-fidelity audio transfer from a computer.
Suitable for
Connecting a computer to an external DAC via coaxial S/PDIF
Connecting a computer to an optical/Toslink input on audio equipment
Supplying digital I2S output to compatible audio devices or development boards
Use in desktop or portable audio setups requiring high-resolution digital output
Key specifications
Manufacturer model: InLine 33053I
Controller: C-Media CM6631A (USB2.0)
Audio resolution: up to 192 kHz / 24 bit
Outputs: digital coaxial (S/PDIF), Toslink (optical), I2S
USB standard: USB Audio Class 2.0 compatible
MPN: 33053I
EAN: 4043718204007
How to use
Connect the adapter to a computer USB port; the operating system should recognize it as a USB Audio Class 2.0 device. Select the adapter as the audio output device in the computer’s audio settings. Use the appropriate cable to connect the adapter’s digital coaxial, Toslink, or I2S output to the input of an external DAC, receiver, or audio interface. Ensure the external device is configured to accept the chosen digital input and set the sample rate in the player or system to match the desired 24-bit/192 kHz output.
Usage recommendations
For best performance, use high-quality coaxial or Toslink cables and set the playback software or system audio sample rate to match the target device. Verify compatibility of the receiving device with I2S if using that interface.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| S/PDIF out port | Yes |
| Digital audio coaxial in | 1 |

## FAQ

### How much does the USB HD Audio Adapter InLine 33053I cost, and is it available for purchase?

The price is 57.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 82 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 29.06.2026 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. 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 InLine 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 InLine 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

### Where can I download the instructions for USB HD Audio Adapter InLine 33053I?

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/1100934/65764688_large.webp