SANWA SUPPLY Amplifier Speaker with Wireless Microphone MM-SPAMP7 Contents: Main unit Instruction manual 1 wireless microphone AC adapter Can also be battery-powered. [Notes] Although it looks like new with no signs of use, it is a used item. Please check the condition in the photos. This amplifier speaker is easy to use for meetings, lectures, and events, and supports the simultaneous use of two wireless microphones. [Overview] ・Size: W297 x D133 x H152mm ・Weight: 3500g ・Set contents: Speaker main unit x 1, wireless microphone x 1, AC adapter x 1, storage bag, instruction manual ・Channels and frequencies: 0 806.250MHz, 1 806.500MHz, 2 806.750MHz, 3 807.000MHz, 4 807.500MHz, 5 807.750MHz, 6 808.000MHz, 7 808.500MHz, 8 809.000MHz, 9 809.500MHz ・Storage bag dimensions: Outer dimensions/W320 x D220 x H225mm Inner dimensions/ (Main room) W280 x D130 x H130mm (For microphone/adapter) W280 x D35 x H130mm (Large upper lid pocket) W175 x D45 x H195mm (Small upper lid pocket) W105 x D45 x H195mm