| Model Active | KS 18A SUB |
| System Type | Active subwoofer |
| Power Rating | 2000W (PROGRAM) / 4000W (PEAK) |
| Transducer Low | 18" Woofer, 3" Sandwich Voice Coil with long excursion |
| Max SPL | 129dB Max. |
| Active Crossover | BandPass type 12dB/oct. under analog processor |
| Frequency Response (-6dB) | 40Hz - 120Hz under analog processor |
| Input Connector | In-Left / Mono (COMBO) Right (XLR-F) / Out-Left / Mono Right (XLR-M) / Link-Left / Mono-Right (XLR-M) Balanced (15KOhms) |
| External Controls | Volume Control / Phase Switch / HPF-80Hz for L-R Satellite or By Pass / Power ON with Green LED / Clip Limiter with Red LED / Ground Lift |
| Electronic Protections | Thermal / Convection-Fan / Overload / Lim. / Compressor |
| Power Supply | 110-120V~50/60Hz or 220-240V~50/60Hz Switchable |
| Enclosure Construction | Plywood cabinet, metal grille, rubber foot |
| Mounting | One metal standard pole-mount |
| Dimensions (HxWxD) | 535 x 661x 515.5mm (21.06" x 26.02 x 20.3") |
| Net Weight | 31.84kg / 70.2Ibs |
| Volume | - |