JK Audio introduces RMx5, a portable five-channel field mixer / headphone amplifier with a 24-bit USB codec and AES Digital Output. Radio/Podcast – RMx5 is designed for news, sports, and live remotes. Use it as a front-end mixer for your POTS, ISDN, IP or smart phone codec. XLR out, XLR or ¼” stereo return to headphones. Use the USB interface to stream audio through a laptop soft codec. TV – RMx5 is designed for ENG, Sports, and interviews, with four ¼” headphone outputs. 3.5 mm TRRS connection provides 2-way IFB audio from your cell phone or notebook. AV/Conference – Perfect for small press or hotel conferences. All-in-one design is easy to set up and operate. Record and play back high quality audio through the USB codec. Rugged design for field use, runs > 8 hours on two hot-swappable 9-volt batteries. RMx5 can route audio through cell phones or notebooks with the included 3.5 mm TRRS headset interface cable.