The Sound Town Class-D plate amplifier enables you to build your own powered subwoofer cabinet. The STPAS-600D power amp is equipped with 2 XLR-1/4” combo and 2 RCA inputs, 2 XLR (through) outputs. It handles formidable 350W RMS power and reproduces low frequencies all the way down to 40Hz. The plate amplifier also comes with master volume control, Low Pass Filter (LPF)adjustment and a polarity switch. FEATURES 350W RMS Class-D power amplifier plate 2 XLR-1/4” combo and 2 RCA inputs, 2 XLR (through) outputs Over current and short circuit protection Sturdy and reliable SPECIFICATIONS Specifications Model STPAS-600D Description Subwoofer plate amplifier Type Class-D Impedance Supports 4 Ω  & 8Ω Power 350W RMS Feature LPF Input 2 x XLR-1/4" combo (mic/line), 2 x RCA Output 2 x XLR (thru) Control Volume, polarity, front LED, LPF Protection Overload and overcurrent protection Technical specifications LPF 40-150 Hz Voltage 110V-220V switchable Speaker model# reference CARME-112SPW, METIS-112SPW Dimension & Weight Product Width (in.) 8.31" Product Height (in.) 12.13" Product Depth (in.) 2.95" Product Weight (lb.) 3.97 lbs Warranty/Certifications Manufacturer Warranty 1 Year  SUPPORT Â