Digmoda DPSW1000 Subwoofer Amplifier and DSP Software | audioXpress
D1-1KD 1000W Class D Plate Amplifier Module for Subwoofer Bass - Buy plate amplifier for subwoofer, bass plate amplifier, subwoofer plate amplifier Product on Sanway Professional Audio Equipment Co., Ltd.
Rms 900w Subwoofer Amplifier Professional Speaker Plate Amplifier 1 Input 1 Output Class D Amplifier Board With Dsp Processor - Home Theater Amplifiers - AliExpress