VIO S115 is a self-powered, flyable active bassreflex subwoofer featuring a single 15-inch neodymium driver with 4-inch voice coil. Powered by a 900W RMS Digipro G3 Class D amplifier with 32-bit DSP processing, it delivers a maximum SPL of 134 dB with frequency response from 40 Hz to user-specified cutoff. The cabinet includes M10 rigging points and M20 pole mounts on top and side panels, enabling versatile deployment options including horizontal/vertical orientation when flown or ground stacked. At 32.8 kg, this compact subwoofer complements the VIO X series for touring and installation applications.