Acus OFS-10 acoustic instruments amplifier ONE FOR STREET 10,The ACUS ONEFORSTREET 10 is a compact and versatile amplifier for guitar, bass guitar and microphone. It can be powered with the included adapter, or with Makita's powerful batteries. The ACUS ONEFORSTREET 10 features three channels and an Aux input. All three channels have instrument inputs: channel 1 and 2 also have an XLR input with phantom power, to which you can connect all microphone types, even condenser microphones. All three channels have