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.

  • 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


Model STPAS-600D
Description Subwoofer plate amplifier
Type Class-D
Impedance Supports 4Ω & 
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" Package Width (in.) 11.8"
Product Height (in.) 12.13" Package Height (in.) 11.4"
Product Depth (in.) 2.95" Package Depth (in.) 3.9"
Product Weight (lb.) 3.97 lbs Package Weight (lb.) 4.8 lbs


Manufacturer Warranty 1 Year


Sound Town STPAS-600D Class-D Plate Amplifier for PA DJ Subwoofer Cabinets, 350W RMS, w/ LPF - Plate Amplifier to LF (Low Frequency) Woofer Connection Diagram and Wiring Instructions