Apogee Quartet USB Audio Interface for Mac and PC AS IS UNTESTED. Toggle switch is loose (as shown in photos 7 & 8). No power supply / untested item. Please let me know if you have any additional questions. All items are tested and in working condition unless noted in product description and title.The item "Apogee Quartet USB Audio Interface for Mac and PC AS IS UNTESTED" is in sale since Tuesday, September 21, 2021. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Audio/MIDI Interfaces". The seller is "jmssecondhand" and is located in Covina, California. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Japan, France, Australia, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.