The Workhorse Powered GRS 8" Mini Subwoofer Kit 300 Watts
Tenghong 2pcs 2 Inch Mini Subwoofer 52MM 20 Core Bluetooth Speakers 4/8Ohm 10W Portable Audio Bass Speaker For Robot Loudspeaker _ - AliExpress Mobile
Sub Mini: The Compact Subwoofer with Big Bass | Sonos
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Computer Speakers 2.1 Subwoofer, MARBOO 3.5mm Jack PC Speakers Wired with Subwoofer, USB Powered Multimedia 2.1 Channel for Desktop, Windows, Laptop, Tablets, Smartphone, PC, Gaming Black Speakers - Newegg.com
BLUETOOTH CAR SPEAKER MINI SUBWOOFER HOME CAR PORTABLE 360° Surround Sound 600W Bluetooth Car Subwoofer Enclosure Powered Speaker Surround Sound With RC USB Wireless Bluetooth Car Speaker - Walmart.com