12" Sealed Servo (Stereo Pair) Kit

About the 12" Sealed Servo (Stereo Pair) Kit

The GR Research 12" Sealed Servo Subwoofers are custom installation subwoofers featuring 12" paper cone drivers with servo control technology. These subwoofers offer a very smooth, flat, and extended frequency response, allowing for a higher crossover point up to 120 Hz, with a recommendation for stereo subwoofer use when crossing above 90 Hz. They are available in sealed configurations and are designed to be integrated discreetly into home environments, either built by a local furniture maker or DIY. The drivers are paired with servo amplifiers such as the HX800XLR3-S2, which is designed for dual GR SW12-4 drivers in sealed configuration. These subwoofers are praised for their bass extension flat to 20 Hz and their ability to deliver clean, controlled bass with high adjustability including crossover frequency, phase, and parametric equalization. The sealed servo design makes them ideal for applications requiring precise bass control and minimal distortion.