STPA21-710 | Class-D 500W RMS Plate Amplifier for PA DJ Subwoofer Cabinets, w/ Speaker Outputs, LPF

The Sound Town Class-D plate amplifier enables you to build your own powered subwoofer cabinet. The STPA21-710 power amp is equipped with 2 XLR-1/4” combo inputs and 2 XLR (through) outputs. It handles formidable 500W RMS power. Each of the speaker output generates 250W RMS power and allows you to connect two passive PA speakers with the amp. The plate amplifier also comes with master volume control, Low Pass Filter (LPF) adjustment and a polarity switch.

• 500W RMS plate power amplifier
• Two speaker outputs with 250W RMS output each channel
• 2 XLR-1/4” combo inputs, 2 XLR (through) outputs
• Over current and short circuit protection
• Sturdy and reliable

Specifications

Model	STPA21-710
Description	2.1-channel plate amplifier (subwoofer + 2 satellite)
Type	Class-D
Impedance	Supports 4Ω & 8Ω
Power	900W + 2 x 250W RMS @ 4Ω 450W + 2 x 125W RMS @ 8Ω
Feature	2.1-channel, LPF
Input	2 x XLR-1/4" combo (mic/line)
Output	2 x XLR (thru)
Control	Subwoofer: volume, LPF, polarity; Satellite: volume, HPF, balance
Protection	Overload and overcurrent protection
Technical specifications	LPF 40-300 Hz; 200Hz HPF on/off
Voltage	110V-220V switchable
Speaker model# reference	CARPO-15SPW, CARPO-15SWPW, CARPO-18SPW, CARPO-18SWPW, METIS-15SPW2.1, METIS-18SPW2.1, CARPO-12DSPW

Dimension & Weight

Product Width (in.)	10.51"	Package Width (in.)	11.22"
Product Height (in.)	11.34"	Package Height (in.)	12.01"
Product Depth (in.)	2.56"	Package Depth (in.)	3.94"
Product Weight (lb.)	5.06 lbs	Package Weight (lb.)	6.60 lbs

Warranty/Certifications

Manufacturer Warranty

1 Year