BOSE F1 Model 812 Flexible Array loudspeaker and there are 4 12V

and there are 4 12V trigger outputs

Dynamic Performance

On mode power consumption as defined in JBMS-84 323 Watt

DN12 also provides crystal-clear bass with no port noise distortion

Supported Audio Codecs

BOSE F1 Model 812 Flexible Array loudspeaker and there are 4 12VBOSE F1 Model 812 Overview Powerful, standalone sound that flexes to meet your coverage needs the Bose F1 Model 812 is a 1000 watt, full range loudspeaker featuring Bose Flexible Array technology. At the heart of the F1 is a 12 inch woofer nested behind an array of eight high output drivers. These nine speakers are supported by a lower crossover point than conventional loudspeakers to give full voice to your sound and deliver clearer, more natural