The SUB 708-AS mk3 is a portable 18" high-power active subwoofer for live sound applications. It features a state-of-the-art transducer with a high-power ceramic magnetic circuit and a powerful Class-D amplifier that delivers sound pressure levels up to 133 dB with exceptional headroom. Designed as the ideal complement for 8" or 10" loudspeakers, it provides outstanding performance in any application. Rear panel controls include volume, EQ, polarity, and crossover frequency selection. The rugged all-wood cabinet with scratch-resistant polyurea coating makes it durable, easy to carry and install securely. With its versatility, sound quality, and high power output, the SUB 708-AS MK3 is perfect for small to mid-sized venues and portable applications.FEATURES1400 Watt Class-D Amplifier18” Woofer, bass reflex housingStereo CrossoverSwitchable Crossover FrequenciesPolarity-reverse switchElectronic equalization, soft limiter and protectionStereo XLR input, Stereo XLR signal outputBass Motion Control excursion managementACOUSTICAL SPECIFICATIONSFrequency Response: 35 Hz ÷ 120 HzMax SPL @ 1m: 133 dBTRANSDUCERSWoofer: 18'', 3.0'' v.cINPUT/OUTPUT SECTIONInput signal: bal/unbalInput connectors: XLROutput connectors: XLRInput sensitivity: -2 dBu/+4 dBuPROCESSOR SECTIONHi-Pass Frequencies: 110 HzLow-Pass Frequencies: 80 HzProtections: Thermal, RMSLimiter: Soft LimiterControls: Volume, EQ, Phase, XoverPOWER SECTIONTotal Power: 1400 W Peak, 700 W RMSLow frequencies: 1400 W Peak, 700 W RMSCooling: ConvectionConnections: VDESTANDARD COMPLIANCESafety agency: CE compliantPHYSICAL SPECIFICATIONSCabinet/Case Material: Baltic birch plywoodHandles: One each sidePole mount/Cap: YesGrille: Steel with clothingColor: BlackSIZEHeight: 693 mm / 27.28 inchesWidth: 505 mm / 19.88 inchesDepth: 685 mm / 26.97 inchesWeight: 40 kg / 88.18 lbs