Rolls RM169 Professional 6-Channel Bluetooth Audio MixerThe Rolls RM169 is a professional 6 channel Bluetooth audio mixer with two microphone preamps and four stereo line inputs and is well suited for a variety of applications in locations such as retail stores, restaurants, health clubs, houses of worship, bars, schools, and more. With its compact 1 RU space, the RM169 is a great choice when space is a consideration and without compromising quality. The Bluetooth input has an extended range and