MP225U series is a public address amplifier integrated with MP3 player, FMtuner, zonesplitter (6 zones), preamplifier and power amplifier. This amplifier has 3 line inputs, 1 line output, and 2 MIC inputs. MIC 1 interface onthefront panel has the highest priority level. Each audio input (including built-in MP3player

and FM tuner) has independent volume adjustment knob. For preamplifier, there are trebleand bass adjustment knobs. All 6 zones have output voltage 100V and independent

switch. There is a switch to control on/off of all 6 zones and a LED screen to displayworking status.