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OSD Audio SMP300 500W Mono Class D Subwoofer Amplifier, Auto Sensing, 4 -8 Ohm ETL and CE Certified - Walmart.com
Kicker® CXA800.1 800-Watt Mono Class D Subwoofer Amplifier-46CXA8001 | Quality Auto Sound | Western United States
2.1 Kanal Bluetooth 5.1 Klasse D Leistungsverstärker Subwoofer Amplifier Board | eBay
SMP100 100W Mono Subwoofer Amplifier | OSD Audio
TDA7498E 2*160W+220W Bluetooth 5.0 Power Subwoofer Amplifier Board 2.1 Channel Class D
DS18 Monoblock Subwoofer Amplifier Class D 3600W & Bass Knob w/ Clip I — Big Jeff Online Inc
JL Audio JD500/1 500 WATT Class D Monoblock Subwoofer Amplifier - EAI - Pascagoula
Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics
TDA7498 150W Mono Class D Subwoofer Power Amplifier Board AMP Assembled | eBay