Thank you for viewing! This product is [untested except for power-on]. Therefore, we cannot offer exchanges, refunds, or returns for any issues that may arise. Manufacturer: Unipex Product Name: Desktop Amplifier 240W Model Number: BE-240 Features: ● Can use up to 6 microphones simultaneously. ● Microphone inputs 1-4 can be switched between CD, TAPE, and AUX. ● Equipped with a 2-system output selection switch. ● Master volume allows for overall volume adjustment. ● External start terminals and emergency control terminals are also equipped. ● 100V line (speaker signal) input is also possible. ● RoHS compliant. ■ Power Supply: AC100V 50/60Hz ■ Rated Power Consumption (based on electrical appliance safety law measurement method): 80W ■ Rated Output: 60W ■ Inputs: Microphones 1-6 (3-6 can be switched to CD, TAPE, line) ■ 100V line input (speaker signal) ■ Speaker circuit selection switch x 2 ■ Emergency control function ■ External power start terminal ■ Auto fader function ■ Electro Chime Unit EC-44 can be used as an option. Please check the images carefully. Thank you. This is a used item, so please refrain from purchasing if you are looking for a perfect item. Returns and refunds are not accepted. Please refrain from purchasing if you are overly sensitive, concerned about minor details, prone to complaints about used items, or unable to conduct a smooth transaction.