The TS18-A is a compact, high output, bandpass subwoofer module ideal in combination with TT+ two way systems. The TS18-A woofer features lightweight, high force, neodymium magnet assembly; 100 mm diameter, 25 mm length, inside-outside copper voice coil; silicon double spiders; water resistant treated cone; magnet assembly complex ventilation for minimum power compression. The amplifier section features 1000 watt switching power supply, 1000 watt low frequency digital amplifier.FeaturesVery compact sizeMaximum output per size available on the marketMinimum weightHigh power full neodymium 18" transducer1000 Watt switching amplifierXLR in/out, Powercon in/outBaltic birch cabinetAcoustical Specifications Frequency Response -3 dB: 35 Hz ÷ 120 HzMax SPL: 136 dBWoofer: 18" neo, 100 mm voice coilInput/Output Section Input signal: Bal/unbalInput connectors: Stereo XLROutput connectors: Stereo XLRInput sensitivity: - 2 dBu / +4 dBu Processor Section Crossover frequencies: 80 Hz/110 HzProtections: ThermalLimiter: Fast limiterControls: 80/110 add crossover phaseAmplifier Specifications Total power: 1000 W RMS Low frequencies: D/1000 W RMSCooling: ConvectionConnections: Powercon in/outCabinet Cabinet Material: Baltic birchHardware: Fittings readyHandles: 6 on sidePole Mount/Cap: YesColour: BlackPhysical Specifications Height: 520 / 20,47 mm/inchWidth: 700 / 27,56 mm/inchDepth: 860 / 33,852 mm/inchNet Weight: 48 / 105.82 kg/lbs.