TECHNICAL SPECIFICATIONSSystem Manual RS Series Page 59 / 768.2 RS188.2.1 System specificationsOmni DirectionalRS18 WITH NEXO TDCONTROLLER SETUPFrequency Response @-6 dB 29 Hz to 250 Hz 29 Hz to 150 HzSensitivity 1W@1m 105 dB SPL Nominal 103 dB SPL NominalPeak SPL@1m 143 to 146 dB 140 to 143 dBAvailable Crossover Frequencies 30-60, 30-85, 30-120 Hz 30-60, 30-85 HzNominal Impedance 2 x 8 OhmsRecommended Power 2500 WattsPRODUCT FEATURESComponent 2 x 18” long excursion neodymium 8 Ohms driversHeight x Width x Depth520 mm x 1403 mm x 732 mm (20.46” x 55.24” x 28.81”) with handles520 mm x 1238 mm x 732 mm (20.46” x 49.92” x 28.81”) without handlesWeight: Net105 kg (231.5 lb) with handles90 kg (199 lb) without handlesConnectors 2 x NL4, 4 poles connectors (1+/1- right or rear / 2+/2- left or front)Construction Baltic Birch Plywood & structured black coatingOperating temperature range 0°C - 40 °C (32° F - 104° F)Storage temperature range -20 °C - 60 °C (-4 ° F - 140° F)SYSTEM OPERATIONRecommended powering solutionNXAMP4x4mk2 Powered TD controller:1 x RS18 in omni mode (drivers in //) per channel2 x RS18 in directional mode: 2 channelsOptional powering solutionNXAMP4x1mk2 Powered TD controller (Bridged):1 x RS18 in omni mode (drivers in //) per bridged channels