LG SJ4R 4.1 Channel Sound Bar Surround System with Wireless Surround Sound Speakers (SJ4R) | LG USA
1600W Bluetooth Audio Power Amplifier, 4.1 Channel Support 2 Pairs Speakers 1 Subwoofer, Wireless HiFi Stereo Amplifier for Home & Car - Walmart.com
Audio Note Kits NOS R2R DAC 4.1 Limited Edition (many upgrades - Black Gates) - Digital to Analog Converters - Audiophile Style
Polk Audio React 4.1 System Powered sound bar, subwoofer, and rear speakers with built-in Bluetooth®, Wi-Fi, and Amazon Alexa at Crutchfield
Bluetooth 4.1 Audio Receiver with 3.5mm Audio Output - Special NFC Function - Transmission Range of 10M - On / Off Switch - LED Indicator - Black - Orico
Samsung 4.1-Channel Soundbar with Wireless Rear Speaker Kit and DOLBY AUDIO / DTS 2.0 Black HW-A470/ZA - Best Buy
Amazon.com: 4.1 CH Stereo Amplifier, Bluetooth 5.0 Receiver, 600W Amplifier Home Audio, HiFi Amp 45Wx4, Microphone/USB, for Home Theater, with Remote Control & Power Adapter : Electronics
S-299 Mini 4.1 Audio Stereo Amplifier BT Portable Car and Home I6L7 | eBay
Amazon.com: Facmogu S-299 40Wx4 Bluetooth Power Amplifier with Active Subwoofer Output Max 800W 4.1CH Subwoofer Amplifier Hi-Fi Integrated Mini Speaker Amp Audio Sub Bass Amp Remote Control & 12V Power Supply :
LG SJ4R 4.1 Channel Sound Bar Surround System with Wireless Surround Sound Speakers (SJ4R) | LG USA
Sonance Patio Series 4.1 Audio System w/ Amplifier | SiteOne