Powered Triad 12-inch subwoofers include an internal amplifier, DSP controls, and signal connections, which can simplify system design while adding requirements for AC power and, on some models, network setup. Passive 12-inch subwoofers require a compatible external subwoofer amplifier and speaker wiring, so installers must plan for amplifier placement, impedance, and DSP configuration.

Triad twelve-inch passive subwoofers are available in four-ohm and eight-ohm versions, so select an amplifier that supports the subwoofer’s impedance and provides suitable power and DSP controls. In-wall models are designed to pair with compatible dedicated subwoofer rack amplifiers, while in-room passive models support a separate range of compatible subwoofer amplifiers, so verify the amplifier and subwoofer combination before installation.

For in-room systems, choose a powered or passive 12-inch subwoofer, while slim versions suit shallow placements; in-wall versions fit concealed installations, and burial versions are designed for direct-burial outdoor applications. Match passive models with a compatible subwoofer amplifier, and select the enclosure and mounting style based on available space, wiring, and exposure to outdoor conditions.

Plan placement around the room’s layout and installation constraints: use in-room models for visible placement, in-wall or slim models when saving floor space matters, and burial models for outdoor systems. Connect passive 12-inch subwoofers to a compatible subwoofer amplifier with digital signal processing, while powered models use built-in amplification and may support wired or optional wireless signal connections, depending on the configuration.