Samson Expedition XP106 Portable PA System with Wired Handheld Mic & Bluetooth headset there is one knob and

there is one knob and one switch along the lower edge of the body

It is ideal for vocals

and high-quality components

Power RMS / Music: 2250 W / 3150 W

Samson Expedition XP106 Portable PA System with Wired Handheld Mic & Bluetooth headset there is one knob andSamson's Expedition XP106 Rechargeable Portable PA is packed with incredible features, including Bluetooth connectivity and a built in 4 channel mixer. It also comes complete with a wired handheld dynamic microphone for delivering impromptu performances and professional presentations in any environment. Such versatility, combined with clean, crisp audio, makes the XP106 an all in one solution for classrooms, conferences, tour groups, parties, as well