Micro speaker Peerless PMT-20N12AL04-04, 4 ohm, 0.78 inch
Electrovoice ZLX12P 12 inch Active PA Speaker | PMT Online
PA Speakers | Passive & Active Available | PMT
Test Bench: The Peerless by Tymphany PMT-40N25AL01-04 Mini Full-Range Driver | audioXpress
NIB "Brick" Wireless Bluetooth Speaker by pneuSOUND - Plex- ACI Universal Pmt | eBay
PMT 195/37/100 Speaker-P Wigo acustic, G. Widmann und Söhne; | Radiomuseum
Amazon.com: USB Speakerphone, Lepist Computer Speakers with Micrphone for Home Office Conference Calls, Laptop Mic with 360° Voice Pickup, Touch Control, Noise Reduction, Mute/Unmute, Volume Control, LE2101 : Electronics