This is a generic, equivalent one, 100% compatible. This Replacement Adapter charger Kit for Harman Kardon Onyx Studio 1/2/3/4/5/6/7st Bluetooth Speaker.

Features:
* Product Type: generic/equivalent
* Condition: new, 1 Year Warranty!
* Input: AC 100--240V, 50-60Hz
* Output: DC 19V 2.37A
* Power: 45W
* Connector: 5.5 * 2.5mm
* Built-in overload, over-voltage, and short circuit protection.
* Package Includes: 1 X AC Adapter with power cord cable

Compatible Models:
Harman Kardon Onyx Studio 1 2 3 4 5 6 7 V IV III II I Wireless Bluetooth Speaker
Model: HKONYXSTUDIOG1 Onyx Studio HKONYXSTUDIOJN 6132A-ONYXST ONYXSTUDIO3R
HKONYXSTUDIO3BLKUS ONYXSTUDIO3REDG1 ONYXSTUDIO3K ONYXSTUDIO3BLUEG1 APIONYXST3
HKOS4BLKBSG HKOS4BLKEU HKOS4WHTBSG HKOS4BLUBSG Onyx5 HKONYXSTUDIO3BLKAM NSA40ED-190200
ESX2567Q AU38AA-00 AU38AA-OO FC0005-0767095 FC0031 FC0027 TR00236_B HarmanKardonOnyx2White
OW-XRDP-0NQU ONYXSTUDIO2BLKUS APIONYXST2