GENELEC 5041A Active In-Wall Subwoofer Asynchronous mode (for USB-B input):

Asynchronous mode (for USB-B input): Yes

Advanced Features Security: Kensington lock

JBL HDI-1600

it also increases the load stability and forces the output impedance to zero

GENELEC 5041A Active In-Wall Subwoofer Asynchronous mode (for USB-B input):GENELEC 5041A Designed to complement our 4000 series installation speakers, the 5041A is the first in wall subwoofer to offer truly professional performance. Key Technologies Active Crossovers Optimised Amplifiers Protection Circuitry Room Response Compensation Precise and dynamic When installed, all that can be seen of the 5041A is a small, unobtrusive metal grille on the wall. However, its powerful, precise and dynamic bass response right down to 35