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header-product InLine Audio Headset Adapter Cable 2x 3.5mm Male to 3.5mm Female 4-pin OMTP Gold Plated Contacts Black
6.49 €

InLine Audio Headset Adapter Cable 2x 3.5mm Male to 3.5mm Female 4-pin OMTP Gold Plated Contacts Black

InLine Audio Headset Adapter Cable 99312A Photo 1
InLine Audio Headset Adapter Cable 99312A Photo 2
InLine Audio Headset Adapter Cable 99312A Photo 1
InLine Audio Headset Adapter Cable 99312A Photo 2
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InLine Audio Headset Adapter Cable 2x 3.5mm Male to 3.5mm Female 4-pin OMTP Gold Plated Contacts Black

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InLine Audio Headset Adapter Cable 2x 3.5mm Male to 3.5mm Female 4-pin OMTP Gold Plated Contacts Black

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Short description

InLine audio headset adapter cable featuring two 3.5mm male connectors and one 3.5mm 4-pin female connector with OMTP pinout. Designed to connect modern headsets with separate mic and audio plugs to devices with a single combined port. Features gold-plated contacts for optimal signal transmission and a durable black finish.
Available at price 6.49 €: 266 pcs.
Total available for order: 581 pcs.
Warranty: 2 Years
SKU: 1076980
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
22.10.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
27.10.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.02 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
27.10.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
payment
Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The InLine Audio Headset Adapter Cable 2x 3.5mm Male to 3.5mm Female 4-pin OMTP Gold Plated Contacts Black is designed to bridge the connection gap between modern single-plug headsets and older computers or audio hardware featuring separate microphone and headphone jacks. Measuring 0.15 meters in length, this compact black adapter cable ensures reliable signal transmission and seamless audio routing for communication and multimedia tasks.

Advantages

This headset adapter cable provides a practical solution for utilizing existing communication hardware across different equipment generations. The gold-plated contacts ensure corrosion resistance and optimal electrical conductivity for clear audio and microphone performance. Its compact form factor prevents unnecessary cable clutter at the workstation, while the straightforward plug-and-play design requires no additional software or external power sources to operate.

Suitable for

  • Connecting 4-pin OMTP headsets to computers with separate audio and microphone ports
  • Office workstations utilizing legacy hardware configurations
  • Online calls, webinars, and voice communication applications

When it may not be suitable

This adapter cable is not compatible with devices that use the CTIA pinout standard, as mismatched pin standards will result in distorted microphone audio or lack of signal. It is also unsuitable for extending audio cable length beyond the designated 0.15-meter measurement.

Key specifications

  • Connector 1: 3.5mm female (4-pin)
  • Connector 2: 2 x 3.5mm male (3-pin)
  • Standard: OMTP pin assignment
  • Cable length: 0.15 m
  • Contact plating: Gold
  • Colour: Black

How to use

To use the adapter, connect your 4-pin OMTP headset into the single 3.5mm female socket of the cable. Next, insert the two 3.5mm male plugs into the corresponding microphone and headphone input jacks on your computer or host device. Ensure the plugs are fully inserted into the respective ports for secure electrical contact and correct stereo sound separation.

What to consider before purchase

  • Verify that your headset utilizes the OMTP standard rather than the CTIA standard
  • Check that your computer or host device features two separate 3.5mm jacks for audio input and output
Usage recommendations: Handle the cable by the connector housings rather than pulling directly on the wire when disconnecting. Store in a dry environment away from excessive bending or heavy pressure to maintain internal wire integrity.

Specifications

Connector 2 gender: The gender of the second connector of the product. Each half of a pair of mating connectors is assigned the designation male or female, the indented one or the one fitting around the other being called female.
Male
Connector 1 gender: The gender of the first connector of the product. Each half of a pair of mating connectors is assigned the designation male or female, the part bearing one or which fits into another being called male.
Female
Connector 2: This is the second connector in the device.
2 x 3.5mm
Connector 1: This is the first connector in the device.
3.5mm
Cable length: How long the cable is.
0.15 m
Product colour: The colour e.g. red, blue, green, black, white.
Black
All features

Other features

Dimensions (WxDxH): Dimensions of the product (Width x Depth x Height).
11 x 227 x 11
Height: The measurement of the product from head to foot or from base to top.
11 mm
Width: The measurement or extent of something from side to side.
11 mm

Packaging data

Package volume:
300 cm³
Package weight: Weight of the packaged product.
15 g
Package height: The distance from the top to the bottom of the packaging.
165 mm
Package depth: The distance from the front to the back of the packaging.
165 mm
Package width: The distance from one side of the packaging to the other.
10 mm

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.012 kg
Depth: The distance from the front to the back of something.
227 mm

Features

Product colour: The colour e.g. red, blue, green, black, white.
Black
Connector contacts plating: What the connector contacts are covered with (layer on top).
Gold
Connector 2 form factor:
Straight
Connector 1 form factor:
Straight
Connector 2 gender: The gender of the second connector of the product. Each half of a pair of mating connectors is assigned the designation male or female, the indented one or the one fitting around the other being called female.
Male
Connector 1 gender: The gender of the first connector of the product. Each half of a pair of mating connectors is assigned the designation male or female, the part bearing one or which fits into another being called male.
Female
Connector 2: This is the second connector in the device.
2 x 3.5mm
Connector 1: This is the first connector in the device.
3.5mm
Cable length: How long the cable is.
0.15 m

Description

Machine translation.

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Stock data
Warehouse Stock Delivery to the store Store Price
WH357 266 22.10.2026 Best delivery
6.49 € Best price
WH94 50 22.10.2026 Best delivery
43.99 €
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH109 265 05.11.2026
13.99 €
6.49 €
Stock: 266
Delivery Date: 22.10.2026 Best delivery
Warehouse: WH357
43.99 €
Stock: 50
Delivery Date: 22.10.2026 Best delivery
Warehouse: WH94
Available only for legal entities
13.99 €
Stock: 265
Delivery Date: 05.11.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the InLine Audio Headset Adapter Cable 99312A cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 581 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 22.10.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connector 2 gender, connector 1 gender, connector 2, connector 1, cable length, 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.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
payment
Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
warranty
Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.