---
product_id: 802126108
title: "BestCH 19V 2.0A AC Adapter Replacement for Harman Kardon Onyx Studio 2 II Bluetooth Wireless Portable Speaker System HKONYXSTUDIO2BLKUS Harmon Kardon Harman/kardon 19VDC 2000mA 2A Power Supply"
brand: "bestch"
price: "€ 34.16"
currency: EUR
in_stock: true
category: "Best Ch"
url: https://www.desertcart.hr/products/802126108-bestch-19v-2-0a-ac-adapter-replacement-for-harman-kardon
store_origin: HR
region: Croatia
---

# 19V 2.0A stable power output 100-240V worldwide compatibility Multi-layer safety protections BestCH 19V 2.0A AC Adapter Replacement for Harman Kardon Onyx Studio 2 II Bluetooth Wireless Portable Speaker System HKONYXSTUDIO2BLKUS Harmon Kardon Harman/kardon 19VDC 2000mA 2A Power Supply

**Brand:** bestch
**Price:** € 34.16
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your vibe, worldwide and worry-free!

## Quick Answers

- **What is this?** BestCH 19V 2.0A AC Adapter Replacement for Harman Kardon Onyx Studio 2 II Bluetooth Wireless Portable Speaker System HKONYXSTUDIO2BLKUS Harmon Kardon Harman/kardon 19VDC 2000mA 2A Power Supply by bestch
- **How much does it cost?** € 34.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/802126108-bestch-19v-2-0a-ac-adapter-replacement-for-harman-kardon)

## Best For

- bestch enthusiasts

## Why This Product

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

## Key Features

- • **Backed by Assurance:** 2-year manufacturer warranty plus 30-day return policy—because your sound deserves the best guarantee 🛠️
- • **Plug & Play Confidence:** US prong design with UL certification means reliable, hassle-free wall mounting and use 🔌
- • **Built-In Safety Fortress:** Automatic overload, thermal, and short circuit cut-offs protect your device and peace of mind 🛡️
- • **Global Power, Zero Limits:** Seamlessly powers your Harman Kardon Onyx Studio 2 II anywhere with universal 100-240V input 🌍
- • **Rock-Solid Voltage Stability:** No voltage spikes or drops—ensuring your speaker stays safe and sound during every beat ⚡

## Overview

The BestCH 19V 2.0A AC Adapter is a UL-certified, globally compatible power supply designed specifically as a replacement for the Harman Kardon Onyx Studio 2 II Bluetooth speaker. Featuring stable voltage output, comprehensive safety protections including overload and short circuit cut-offs, and a 2-year warranty, it ensures reliable, safe, and consistent performance wherever your music takes you.

## Description

Product Specifications: ✔ Plug Type: US prong ✔ Input Voltage:AC 100-240VAC Worldwide Use ✔ Input Frequency Range: 50-60Hz Kindly Note: ✔ This item is replacement power adapter ,not Orginal/Genuine. ✔ Please be kindly informed that the total wattage of the device should not exceed the max wattage (shown on the adapter's label) of this adaptor ✔ And we suggest it to be de-rated 10%-20% when using to prevent overheating Warnings: ✔ Don't open or modify the power supply / power cord/ power cable ✔ Please leave children, kids far away from high voltage power source ✔ Please use it under professional electrician's guides ✔ Any abuse or improper use will void warranty

## Features

- ✎World Wide Input✎ :Voltage 100-240VAC 50/60Hz
- ✎Safety Protection✎: No noise, low temperature operation, no spontaneous combustion, no explosion, no fire hazard, stable output. Automatic overload cut-off, over voltage cut-off, automatic thermal cut-off, short circuit protection.
- ✎Voltage Consistency ✎: No voltage fluctuations at power on, during transmit, receive, or at power off. It will protect your electronic products from destruction.
- ✎2-Year Warranty ✎: We will provide 2 year manufacturer warranty and 30 days return - we've got your back!
- BestCH 19V 2.0A AC Adapter Replacement for Harman Kardon Onyx Studio 2 II Bluetooth Wireless Portable Speaker System HKONYXSTUDIO2BLKUS Harmon Kardon Harman/kardon 19VDC 2000mA 2A Power Supply

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09J49MBRQ |
| Certification | UL |
| Color | Black |
| Date First Available | October 11, 2021 |
| Manufacturer | BestCH |
| Mounting Type | Wall Mount |
| Power Source | Corded Electric |
| Size | Small |
| Special Features | Short Circuit Protection |

## Product Details

- **Brand:** BestCH
- **Color:** Black
- **Compatible Devices:** Speakers
- **Connector Type:** Barrel Connector
- **Current Rating:** 2 Amps
- **Input Voltage:** 240 Volts
- **Output Voltage:** 19 Volts
- **Power Source:** Corded Electric
- **Special Feature:** Short Circuit Protection
- **Specification Met:** UL

## Images

![BestCH 19V 2.0A AC Adapter Replacement for Harman Kardon Onyx Studio 2 II Bluetooth Wireless Portable Speaker System HKONYXSTUDIO2BLKUS Harmon Kardon Harman/kardon 19VDC 2000mA 2A Power Supply - Image 1](https://m.media-amazon.com/images/I/413tjXMtpgS.jpg)
![BestCH 19V 2.0A AC Adapter Replacement for Harman Kardon Onyx Studio 2 II Bluetooth Wireless Portable Speaker System HKONYXSTUDIO2BLKUS Harmon Kardon Harman/kardon 19VDC 2000mA 2A Power Supply - Image 2](https://m.media-amazon.com/images/I/41O0pBUUqES.jpg)
![BestCH 19V 2.0A AC Adapter Replacement for Harman Kardon Onyx Studio 2 II Bluetooth Wireless Portable Speaker System HKONYXSTUDIO2BLKUS Harmon Kardon Harman/kardon 19VDC 2000mA 2A Power Supply - Image 3](https://m.media-amazon.com/images/I/41Zm29gI0vS.jpg)
![BestCH 19V 2.0A AC Adapter Replacement for Harman Kardon Onyx Studio 2 II Bluetooth Wireless Portable Speaker System HKONYXSTUDIO2BLKUS Harmon Kardon Harman/kardon 19VDC 2000mA 2A Power Supply - Image 4](https://m.media-amazon.com/images/I/41dwTmZ3RQS.jpg)
![BestCH 19V 2.0A AC Adapter Replacement for Harman Kardon Onyx Studio 2 II Bluetooth Wireless Portable Speaker System HKONYXSTUDIO2BLKUS Harmon Kardon Harman/kardon 19VDC 2000mA 2A Power Supply - Image 5](https://m.media-amazon.com/images/I/41mc+6AfJ+S.jpg)

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**Shop now:** [https://www.desertcart.hr/products/802126108-bestch-19v-2-0a-ac-adapter-replacement-for-harman-kardon](https://www.desertcart.hr/products/802126108-bestch-19v-2-0a-ac-adapter-replacement-for-harman-kardon)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-03*