---
product_id: 256211092
title: "ER Series 2.5mm Balanced Cable, Black, Wired"
brand: "etymotic research"
price: "1975 kr"
currency: NOK
in_stock: true
category: "Etymotic Research"
url: https://www.desertcart.no/products/256211092-er-series-2-5mm-balanced-cable-black-wired
store_origin: NO
region: Norway
---

# Lightweight 23g design for comfort 2.5mm balanced audio precision MMCX locking connector for secure fit ER Series 2.5mm Balanced Cable, Black, Wired

**Brand:** etymotic research
**Price:** 1975 kr
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game with the ultimate balanced cable upgrade!

## Quick Answers

- **What is this?** ER Series 2.5mm Balanced Cable, Black, Wired by etymotic research
- **How much does it cost?** 1975 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/256211092-er-series-2-5mm-balanced-cable-black-wired)

## Best For

- etymotic research enthusiasts

## Why This Product

- Trusted etymotic research brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lock & Load:** MMCX connector with a unique key ensures your cable stays firmly in place—no accidental disconnects.
- • **Light as Air:** Weighing just 23 grams, this cable keeps your setup sleek and comfortable for all-day use.
- • **Future-Ready Audio:** Unlock the full potential of your high-end DAP or headphone amp with 2.5mm balanced protocol support.
- • **Plug & Play Upgrade:** Seamlessly compatible with all Etymotic ER series earphones featuring MMCX connectors.
- • **Pure Balanced Sound:** Experience discrete left/right channel signals for crystal-clear audio separation.

## Overview

The Etymotic Research ER Series 2.5mm Balanced Cable is a premium wired upgrade designed for Etymotic ER earphones with MMCX connectors. Featuring a secure locking mechanism and lightweight build, it delivers discrete balanced audio signals for superior sound clarity. Compatible with specialized digital audio players and headphone amplifiers supporting 2.5mm balanced output, this cable enhances your listening experience with professional-grade precision.

## Description

The Etymotic black 2.5mm balanced cable is a cable upgrade for the entire Etymotic ER Earphone Series that utilizes an MMCX connector with a special “key” that helps lock the cable in place and protects the integrity of the connector.

## Features

- 2.5mm Balanced Cable
- Each side of the earphone pair will get a discrete signal from the player or headphone amplifier you are using
- Compatible with all Etymotic ER series earphones that have the MMCX connector
- Please note that you will need a special Digital Audio Player or headphone amp that supports the 2.5mm balanced protocol in order to take full advantage of the Etymotic balanced cable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QRF4QFW |
| Best Sellers Rank | #24,605 in Electronics ( See Top 100 in Electronics ) #57 in Headphone Extension Cords |
| Brand Name | Etymotic Research |
| Cable Type | Balanced |
| Color | Black |
| Compatible Devices | Headphone |
| Compatible Phone Models | Apple iPhone XR |
| Connectivity Technology | Wired |
| Connector Gender | Male-to-Male |
| Connector Type | 2.5mm Balanced |
| Customer Reviews | 3.9 3.9 out of 5 stars (53) |
| Ethernet Cable Category | Cat 5e |
| Included Components | 2.5mm Replacement Cable |
| Indoor Outdoor Usage | Indoor |
| Item Length | 150 Centimeters |
| Item Shape | Round |
| Item Weight | 23 g |
| Manufacturer | Etymotic Research |
| Model | OO1005 |
| Model Name | OO1005 |
| Number of Items | 1 |
| Number of Pins | 3 |
| Other Special Features of the Product | Lightweight |
| Part Number | OO1005 |
| Recommended Uses For Product | Audio |
| UPC | 846430002234 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Etymotic Research
- **Cable type:** Balanced
- **Compatible devices:** Headphone
- **Connector type:** 2.5mm Balanced
- **Special features:** Lightweight

## Images

![ER Series 2.5mm Balanced Cable, Black, Wired - Image 1](https://m.media-amazon.com/images/I/515svqSBa3L.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Etymotic Research ER Series 2.5mm Balanced Cable, Black, Wired
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- Etymotic Research Er4Sr Studio Reference Precision Matched In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Fidelity, World Leader Response Accuracy), Wired

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**Shop now:** [https://www.desertcart.no/products/256211092-er-series-2-5mm-balanced-cable-black-wired](https://www.desertcart.no/products/256211092-er-series-2-5mm-balanced-cable-black-wired)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-25*