---
product_id: 552191243
title: "AC Adapter for Optimus Concertmate-990 Cat.No.42-4040 Stereo Keyboard Power Cord"
brand: "lkpower"
price: "304.92 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/552191243-ac-adapter-for-optimus-concertmate-990-cat-no-42-4040
store_origin: TN
region: Tunisia
---

# Universal 100-240V input Overheat protection Overvoltage safeguard AC Adapter for Optimus Concertmate-990 Cat.No.42-4040 Stereo Keyboard Power Cord

**Brand:** lkpower
**Price:** 304.92 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your performance, anywhere, anytime.

## Quick Answers

- **What is this?** AC Adapter for Optimus Concertmate-990 Cat.No.42-4040 Stereo Keyboard Power Cord by lkpower
- **How much does it cost?** 304.92 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/552191243-ac-adapter-for-optimus-concertmate-990-cat-no-42-4040)

## Best For

- lkpower enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Built-in overvoltage and overheat protection keeps your Optimus Concertmate-990 safe and sound.
- • **Compact & Durable:** Sleek design fits perfectly in any setup while standing up to daily use and travel.
- • **Global Compatibility:** Works seamlessly with 100-240V AC worldwide—never worry about voltage limits again.
- • **Plug & Play Convenience:** Effortless replacement adapter designed specifically for your stereo keyboard—no hassle, just power.
- • **Reliable Power Delivery:** Stable and consistent current ensures your keyboard performs at its best during every session.

## Overview

This brand new AC adapter is a high-quality replacement power charger for the Optimus Concertmate-990 stereo keyboard. It supports a worldwide AC input range of 100-240V at 50/60Hz, featuring built-in overvoltage and overheat protection to ensure safe and reliable operation.

## Description

LKPower AC adapters are manufactured with the highest quality materials tested and designed to meet the power needs of your device. This power supply allows you to operate your device or charge its battery from electrical power outlets.This adapter converts AC power into the DC power required by your device. LKPower adapters are great solution during travel.This adapter has been validated and tested to ensure it will work with your device.

## Features

- Brand New, High Quality Replacement AC Wall Power Charger Adapter
- Input: AC 100-240V 50/60Hz Auto (Worldwide AC Input)
- Over Voltage Protection, Over Heat Protection
- Input: AC 100-240V 50/61Hz Auto (Worldwide AC Input)

## Product Details

- **Brand:** LKPower
- **Connector type:** Barrel Connector
- **Compatible devices:** Musical Instruments
- **Special features:** Travel
- **Power source:** Corded Electric
- **Item weight:** 113 g
- **Frequency range:** 60 hertz
- **Main power connector type:** 2 pin

## Images

![AC Adapter for Optimus Concertmate-990 Cat.No.42-4040 Stereo Keyboard Power Cord - Image 1](https://m.media-amazon.com/images/I/61LjnGnjKIL.jpg)
![AC Adapter for Optimus Concertmate-990 Cat.No.42-4040 Stereo Keyboard Power Cord - Image 2](https://m.media-amazon.com/images/I/61zmFw-sDLL.jpg)
![AC Adapter for Optimus Concertmate-990 Cat.No.42-4040 Stereo Keyboard Power Cord - Image 3](https://m.media-amazon.com/images/I/61ssS3i9gfL.jpg)
![AC Adapter for Optimus Concertmate-990 Cat.No.42-4040 Stereo Keyboard Power Cord - Image 4](https://m.media-amazon.com/images/I/61M-H9ktS2L.jpg)

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**Shop now:** [https://www.desertcart.tn/products/552191243-ac-adapter-for-optimus-concertmate-990-cat-no-42-4040](https://www.desertcart.tn/products/552191243-ac-adapter-for-optimus-concertmate-990-cat-no-42-4040)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-24*