---
product_id: 212870877
title: "Etymotic ER Series 2.5mm Balanced Cable, Black"
brand: "etymotic research"
price: "1668 kr"
currency: NOK
in_stock: true
category: "Etymotic Research"
url: https://www.desertcart.no/products/212870877-etymotic-er-series-2-5mm-balanced-cable-black
store_origin: NO
region: Norway
---

# Lightweight 23g design for all-day comfort 2.5mm balanced audio for pristine sound MMCX connector with locking key for secure fit Etymotic ER Series 2.5mm Balanced Cable, Black

**Brand:** etymotic research
**Price:** 1668 kr
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Etymotic ER Series 2.5mm Balanced Cable, Black by etymotic research
- **How much does it cost?** 1668 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/212870877-etymotic-er-series-2-5mm-balanced-cable-black)

## 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

- • **Lightweight & Durable Build:** At just 23 grams, enjoy premium durability without the bulk—perfect for professionals on the go.
- • **Optimized for High-End Gear:** Unlock the full potential of your digital audio player or headphone amp supporting 2.5mm balanced output.
- • **Secure Locking MMCX Connector:** Special key design ensures your cable stays firmly connected during every move.
- • **Pure Balanced Audio Experience:** Discrete left/right signals deliver crystal-clear soundstage with zero interference.
- • **Universal Etymotic ER Compatibility:** Seamlessly upgrade any ER series earphones with MMCX connectors for instant audio enhancement.

## Overview

The Etymotic ER Series 2.5mm Balanced Cable in black is a premium audio upgrade cable designed for Etymotic ER earphones with MMCX connectors. Featuring a secure locking key and lightweight 23g design, it delivers discrete balanced audio signals for superior sound clarity. Compatible with digital audio players and headphone amplifiers supporting 2.5mm balanced output, this cable ensures a stable connection and enhanced listening experience for discerning audiophiles.

## 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 | 5,629 in In-Ear Headphones |
| Brand | Etymotic Research |
| Cable Type | Balanced |
| Colour | Black |
| Compatible Devices | Headphone |
| Compatible Phone Models | Apple iPhone XR |
| Connectivity Technology | Wired |
| Connector Gender | Male-to-Male |
| Connector Type | 2.5mm Balanced |
| Customer Package Type | FFP |
| Customer Reviews | 3.8 3.8 out of 5 stars (53) |
| Ethernet Cable Category | Cat 5e |
| Included Components | 2.5mm Replacement Cable |
| Indoor Outdoor Usage | Indoor |
| Item Length | 150 Centimetres |
| Item Shape | Round |
| Item Weight | 23 g |
| Manufacturer | Etymotic Research |
| Manufacturer Part Number | OO1005 |
| Model Name | OO1005 |
| Model Number | OO1005 |
| Number of Items | 1 |
| Number of Pins | 3 |
| Other Special Features of the Product | Lightweight |
| Recommended Uses For Product | Audio |
| Specification Met | EIA |
| UPC | 846430002234 |
| Unit Count | 1.0 count |

## Product Details

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

## Images

![Etymotic ER Series 2.5mm Balanced Cable, Black - 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
- Etymotic Research Tuning Kit for ER Series Earphone with 5 Different Filters (ER-DAMPER5PACK)
- 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/212870877-etymotic-er-series-2-5mm-balanced-cable-black](https://www.desertcart.no/products/212870877-etymotic-er-series-2-5mm-balanced-cable-black)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-16*