# Stereo jack adapter PREMIUMCORD KJR-01 — 3.5 mm (female) to 6.3 mm (male) audio adapter

**URL:** https://aio.lv/en/product--premiumcord-kjr-01--3993867
**Data updated:** 2026-02-12 09:58 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** PREMIUMCORD
**Manufacturer code:** KJR-01
**EAN:** 8592220005467
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 2.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--premiumcord-kjr-01--3993867

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

PREMIUMCORD KJR-01 is a stereo audio jack adapter that converts a 3.5 mm female connection to a 6.3 mm male plug. It enables connection of headphones, portable audio devices or low-power audio sources with 3.5 mm jacks to professional or home audio equipment with 6.3 mm inputs. Compact and simple to use for audio monitoring, practice, or playback.

## Long description

PREMIUMCORD KJR-01 is a passive stereo jack adapter that converts a 3.5 mm female socket into a 6.3 mm male plug, allowing compact personal audio devices with a small headphone output to connect to larger amplifiers, mixers, instruments, or studio monitors with standard 6.3 mm inputs. The adapter is designed for simple, direct signal passing without active electronics, providing a reliable mechanical connection for stereo headphone monitoring, playback or low-power audio sources.
Advantages
The adapter offers a compact metal body and a straightforward plug-and-play design that requires no drivers or power. It maintains stereo channels separately and minimizes signal loss when used with low-impedance headphone outputs. Its small form factor and durable construction make it convenient for mobile use, rehearsal, or home studio setups where space and portability are important.
Suitable for
Connecting portable music players, smartphones or laptops to amplifiers and mixers
Using consumer headphones with guitar amps or PA systems for monitoring
Home studio monitoring and practice sessions with instruments or audio interfaces
Temporary connections in live sound setups and rehearsals
Key specifications
Connector type: 3.5 mm female to 6.3 mm male stereo
Channels: stereo (left and right)
Construction: passive adapter, no active electronics
Typical use: low-power headphone outputs to standard audio inputs
Body: compact, metal housing for mechanical durability
How to use
Insert the 3.5 mm headphone plug from the source device into the adapter's female socket, then plug the adapter's 6.3 mm male end into the target amplifier, mixer or monitor input. Ensure both devices are powered and volume levels are set low before connecting to prevent sudden loud signals. Adjust volume gradually on the output device or amplifier to reach the desired listening level.
Usage recommendations
For best results, use the adapter with devices designed for headphone-level outputs and avoid using it with high-power speaker outputs. When connecting to professional equipment, check input sensitivity and start with conservative volume settings. Store the adapter in a protective case when not in use to prevent mechanical damage to the connectors.

## FAQ

### How much does the PREMIUMCORD KJR-01 3.5→6.3 mm stereo adapter cost, and is it available for purchase?

The price is 2.99 € (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 10.07.2026 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. 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 PREMIUMCORD 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 PREMIUMCORD 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

## Image

https://aio.lv/img/cache/product/3993867/52290085_large.webp