Amazon.com: BESTISAN Powered Subwoofer, 6.5" Active Home Audio Subwoofer in Compact Design,LFE & Stereo Line Inputs & Audio Output, Built-in Amplifier for Home Theater/Receiver/TV/Speakers, Black, SW65D : Everything Else
Audioengine S8 (Satin Black) Compact powered subwoofer at Crutchfield
Monoprice Monolith THX Certified 8in 150-watt Powered Subwoofer, Deep and Powerful Bass, Compact Design, Quick and Easy To Setup, For Home Theater or Gaming Systems - Walmart.com
Alpine PWE-S8-WRA Compact Powered Subwoofer Designed for 2011-Up Jeep Wrangler JK Unlimited Models – Volunteer Audio
Yamaha 2.1-Channel Indoor Compact Bluetooth Sound Bar with Wireless Subwoofer Black SR-C30ABL - Best Buy
Amazon.com: Polk Audio PSW111 8" Powered Subwoofer - Power Port Technology | Up to 300 Watt Amp | Big Bass in Compact Size | Easy Setup with Home Theater Systems Black : Electronics
The 3 Best Budget Subwoofers of 2023 | Reviews by Wirecutter