Designed by a proven leader in studio reference monitors, Eris E4.5 BT speakers deliver studio-quality sound with the convenience of Bluetooth wireless technology. In addition to Bluetooth wireless connectivity, YOU get the flexibility of rear-panel, ¼-inch TRS and RCA inputs; a front-panel 1/8-inch stereo Line input for use with mobile audio devices; A handy front-panel volume control; and an integrated headphone amplifier. experience loud, clear audio thanks to 50W of Onboard class AB power. Want more bass? Adjust the speakers’ response to taste with low- and high-frequency tuning controls. The Eris E4.5 BT speakers’ elegantly compact form is well-suited for any home environment, yet they’re compact enough to fit almost anywhere. Making them a great choice for music lovers, content creators, and gamers.