# Extension Cable helos 288714 3.5 mm 3‑pin, 3 m length

**URL:** https://aio.lv/en/product--helos-288714--4077529
**Data updated:** 2025-12-29 15:34 (EET)
**Category:** Audio & Video Cables
**Manufacturer:** helos
**Manufacturer code:** 288714
**EAN:** 4005938887149
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 14.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--helos-288714--4077529

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

helos Extension Cable model 288714 is a 3.0 m audio extension with a 3.5 mm 3‑pin connector. Designed to extend audio connections between devices, it keeps signal routing simple and flexible for headphones, portable players, and small audio equipment. The cable is practical for home, studio, or mobile use when extra reach is needed.

## Long description

helos Extension Cable model 288714 is a 3.0 m audio extension with a 3.5 mm 3‑pin male to female connector. It is intended to extend audio connections for headphones, portable players and compact audio devices, providing additional reach while maintaining a straightforward signal path. The cable has a black finish and a metal connector housing with gold-plated contacts, compliant with RoHS 2.0 and REACH requirements.
Advantages
The helos 3.5 mm extension cable offers a durable aluminium connector housing and gold-plated contacts to reduce corrosion and preserve signal integrity. With a 3.0 m length it provides flexible placement of audio equipment and reliable compatibility with standard 3.5 mm 3‑pin audio jacks. The cable is RoHS 2.0 and REACH compliant.
Suitable for
Extending headphone connections
Connecting portable audio players to speakers or car stereos
Temporary or permanent extension for small studio equipment
Mobile setups where extra cable length is needed
Key specifications
Model: helos 288714
Connector: 3.5 mm 3‑pin male to 3.5 mm 3‑pin female
Length: 3.0 m
Housing material: aluminium
Contacts: gold-plated
Color: black
Compliance: RoHS 2.0, REACH
EAN: 4005938887149
How to use
Connect the 3.5 mm male plug of the extension cable into the audio output of your source device and insert the 3.5 mm female connector to the cable or plug of your headphones or speaker. Ensure connections are fully inserted to avoid intermittent contact. Route the cable to avoid sharp bends and pinching to maintain performance and prolong life.
Usage recommendations
For best results, use the helos extension cable for short- to medium-distance audio extension where the additional reach is required; avoid using it as a primary replacement for damaged equipment cables. Keep connectors clean and dry and unplug when not in use to reduce wear on contacts.

## FAQ

### How much does the Extension Cable helos 288714 3.5 mm 3‑pin 3 m cost, and is it available for purchase?

The price is 16.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 16.07.2026 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. 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 helos 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 helos 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/4077529/59843614_large.webp