dBTechnologies SUB 618 – 600W 18-inch Powered Subwoofer with 2.5-inch Voice Coil – Black

Description The SUB618 is a high-performance bass-reflex active subwoofer, part of the SUB600 series, designed for those seeking excellent sound pressure levels without compromising on size and portability. Equipped with an 18-inch transducer and a 600W RMS Class D amplifier with SMPS technology, the SUB618 delivers up to 133 dB SPL, offering clean, accurate, and punchy low-end reproduction. This subwoofer stands out for its ability to complement small full-range systems like 10 or 12-inch speakers, making it ideal for mobile DJs, live bands, and small venue installations.With stereo balanced inputs and selectable output modes (True Bypass or Xover), the SUB618 allows users to build a PA system without needing external crossovers or processors. Its integrated DSP features include peak, thermal, and RMS limiters to ensure reliable performance during intense use. A dedicated sub mode switch allows users to activate a low-frequency boost when needed, while polarity inversion and mono/stereo feed options enhance flexibility during system setup.The cabinet is constructed from plywood with a durable, scratch-resistant black finish and features a full metal grille. Designed for easy handling and stacking, the cabinet includes carved side handles and a top-side M20 pole mount, enabling secure mounting of full-range speakers. Despite its power and performance, the unit remains lightweight at just over 31 kg, making it practical for transport and mobile setups.Features:600 W RMS Class D amplifier18-inch low-frequency transducerSelectable stereo balanced inputsTrue Bypass or Xover balanced stereo output modesFlat or boosted sub mode EQ switchPolarity switch and mono/stereo operationLightweight, compact wooden cabinetScratch-resistant black coatingFull grille designM20 pole mount threadSpecifications:SpecificationValueSpeaker typeActive subwooferFrequency response35 – 130 Hz (-10 dB)Max SPL (1 m)133 dBDirectivityOmnidirectionalLF transducer18 inchLF voice coil2.5 inchAmplifier technologySMPS digital amplifierAmplifier classClass DRMS power600 WPeak power1200 WDSP controller28/56 bit DSPLimiterPeak, thermal, RMSControlsSub level, outputs mode, polarity, sub modeSignal input2 x XLR (balanced)Signal output2 x XLR (balanced)HousingPlywoodGrilleFull metal gridPole mountM20Width500 mm (19.69 in)Height625 mm (24.60 in)Depth690 mm (27.17 in)Weight31.1 kg (68.57 lbs)