Do parametric speakers exist for home theater and are they good enough to centralize sound so it can't be heard in the next room? - Quora
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Laser Grey Bluetooth TWS Bar Speaker - Portable, Wireless, Stereo Sound, Mic, 10W | Catch.com.au
Ultrasonic Directional Speaker | Portable Ultrasonic Speaker - New 4 Inch Speaker - Aliexpress
Laser Caravan & RV Speakers & Sounds Bars for Sale | everythingcaravancamping.com.au
6.5" Rechargeable Portable Bluetooth Party Speaker FM Heavy Bass Sound Stereo - Walmart.com
Laser Cut New Enclosures for Desktop Speakers
ELEPHANTBOAT® Galaxy Night Light Projector Led Lamp with Bluetooth Speaker Kids Planetarium Galaxy Projector for Bedroom Sound Active & 10 Colors Laser Nebula Star Projector Light Rotate Disco Ball : Amazon.in: Electronics
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Active Party Speakers Pair - Fenton SPA1200, Mics, Smoke Machine & Laser