Sony WH1000XM4/B Premium Noise Cancelling Wireless Over-The-Ear Headphones, Black
Anker SoundCore mini, Super-Portable Bluetooth Speaker with 15-Hour Playtime, 66-Foot Bluetooth Range, Enhanced Bass, Noise-Cancelling Microphone - Black - Walmart.com
FutureSounds - anti-noise speakers and other innovations | Teufel Blog
Active noise control - Wikipedia
AuE 835 - Active Noise Cancellation Project - YouTube
VS4 - Astatic Noise Cancelling External Speaker
Advanced, broad-band active noise cancellation now available in cars – Silentium
BHI DSPKR - DSP noise cancellation speaker - Radioworld UK
Cobra HighGear 4 in. 15-Watt Dynamic Noise Canceling CB Extension Speaker with Talkback HGS-500 - The Home Depot
Amazon.com: JBL Clip 3, Black - Waterproof, Durable & Portable Bluetooth Speaker - Up to 10 Hours of Play - Includes Noise-Cancelling Speakerphone & Wireless Streaming : Electronics