Does it charge so it can used without being connected?

Yes, but unfortunately overtime your battery wears out and having it fully charged won’t matter, it will only last for about a good hour on top volume, but a lot longer if it’s at a medium volume.

Could you please tell me about the Connector Size?

I think connector is 5.5 mm in diameter

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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KFD AC Adapter for Harman Kardon Onyx Studio 1 2 3 4 5 6 7 Wireless Portable Speaker System Charger Power Supply Cord Plug Cable US Power Cable HK Onyx Aura Studio 5 4 3 2 1 Plus AirPlay Power Cord

KFD AC Adapter for Harman Kardon Onyx Studio 1 2 3 4 5 6 7 Wireless Portable Speaker System Charger Power Supply Cord Plug Cable US Power Cable HK Onyx Aura Studio 5 4 3 2 1 Plus AirPlay Power Cord

Product ID: 42956461

Details

Amperage
2.1 Amps
Brand
KFD
Color
Black
Compatible Devices
Speakers
Connector Type
DC Jack
Included Components
USB Cable

⚡40W Power Output

🔌Universal 100-240V Input

🛡️Multi-layer Safety Protections

KSh8740

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Sold byAmazon KenyaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your vibe, anywhere, anytime — don’t let your sound fade out!

BUILT TO LAST - Crafted from V-0 grade flame-retardant materials for premium durability and peace of mind.
SEAMLESS OEM MATCH - 100% compatible with Harman Kardon Onyx Studio 1-7, Aura Studio series, and Go + Play models.
GLOBAL COMPATIBILITY - Supports worldwide 100-240V input—perfect for the jet-setting professional.
SAFETY FIRST ALWAYS - Equipped with OVP, OCP, and SCP protections to safeguard your valuable audio gear.
POWER UP WITH CONFIDENCE - Delivers a robust 19V 2.1A output to keep your Harman Kardon Onyx Studio charged and ready.

This KFD AC Adapter is a high-quality, CE/FCC/RoHS certified power supply designed specifically for Harman Kardon Onyx Studio 1-7, Aura Studio 1-5, and Go + Play wireless speakers. It delivers a stable 19V 2.1A (40W) output with advanced safety features including over-voltage, over-current, and short-circuit protection. Engineered with flame-retardant materials and universal 100-240V input, it ensures reliable, worldwide compatibility and long-lasting performance.

Specifications

ASIN	B06WRT129K
Additional Features	Short Circuit Protection
Amperage	2.1 Amps
Brand	KFD
Built-In Media	USB Cable
Color	Black
Compatible Devices	Speakers
Compatible Phone Models	Harman Kardon Onyx Studio 1, 2, 3, 4, 5, 6, 7, Onyx Aura Studio 1, 2, 3, 4, 5, Go + Play wireless Bluetooth speaker Compatible Phone Models Harman Kardon Onyx Studio 1, 2, 3, 4, 5, 6, 7, Onyx Aura Studio 1, 2, 3, 4, 5, Go + Play wireless Bluetooth speaker See more
Connectivity Technology	Bluetooth,Wireless
Connector Type	DC Barrel
Current	AC
Current Rating	2.1 Amps
Customer Package Type	Standard Packaging
Customer Reviews	4.6 out of 5 stars 1,647 Reviews
Enclosure Material	fire-resistant plastic
Frequency Range	60 hertz
Included Components	USB Cable
Input Voltage	240 Volts
Item Weight	0.25 Kilograms
Main Power Connector Type	2 Pin
Manufacturer	KFD
Mfr Part Number	LAC-029-US
Model Number	LAC-029-US
Mounting Type	Wall Mount
Number of Items	1
Number of Power Levels	1
Output Current	2.1 Amps
Output Voltage	19 Volts
Portable	Yes
Power Plug	Type A - 2 pin (North American)
Power Source	Corded Electric
Special Feature	Short Circuit Protection
Specification Met	CE, FCC, RoHS
Total Usb Ports	1
UPC	709445195493
Unit Count	1.0 Count
Wattage	40 watts

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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KSh8740

Duties & taxes included

In stock

Sold byAmazon KenyaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kenya.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

View all Trustpilot reviews