JK Audio Inc is a manufacturer of pro audio equipment, and has been building telecom audio interface products for the broadcast industry since 1992. We offer a full line of audio mixers, phone line digital hybrid echo cancelers for POTS and PBX phone systems, as well as low cost analog hybrids and telephone handset interfaces. Portable audio interfaces connect cell phones and laptops through Bluetooth wireless technology.   Interview recording, conference room, talk show, house of worship PA interface, We know audio.