AmpliVox Wireless Sound Cruiser Black Grey. Includes 50-watt multimedia stereo amp with built-in UHF 16 channel receiver (584-608MHz) and lapel & headset mics with body pack transmitter with Emergency siren button DC car adapter and cables to Plug into your cars cigarette lighter direct-wire the unit to your 12-volt car battery or use 10 D-cell alkaline batteries. Universal horn speaker module mounts to any vehicle and easily adjusts at 45 degree increments for front - side - rear projection. Horn power rating: 60-watts impedance: 4 ohms volume: up to 119 db. Equip any car truck bus or boat for voice-casting in minutes. Four horn speaker assembly easily mounts with suction cups and tie-down straps. This System is tailored for maximum voice penetration and intelligibility. Power with Optional AC adapter or power up to 200 hours with 10 D-cell alkaline batteries (not included); or Rechargeable NiCad Battery Pack (requires AC adapter). Specifications for AmpliVox Wireless Sound Cruiser: Manufacturer: AmpliVox Included Accessories: Wireless headset/lapel microphone and transmitter SW805A 12V DC car adapter 5' dynamic handheld microphone Color: Black/Grey Features of AmpliVox Wireless Sound Cruiser Reach crowds up to 5000 people and cover the length of a football field 50 watt amplifier with built-in 16 Channel UHF receiver Lapel & Headset mic + transmitter Equip any car truck bus or boat for voice-casting in minutes Quad horn speaker assembly easily mounts with suction cups and tie-down straps Plug into your cars cigarette lighter direct-wire the unit to your 12-volt car battery or use 10 D-cell alkaline batteries for up to 200 hours Universal 4 horn speaker module mounts to any vehicle and easily adjusts at 45 degree increments for front - side - rear projection Horn power rating: 60-watts impedance: 4 ohms volume: up to 119 db DC car adapter & cables included. Package Contents: AmpliVox Wireless Sound Cruiser SW805A Quad horn speaker assembly with suction cups and tie-down straps Wireless headset/lapel microphone and transmitter 5' dynamic handheld microphone 12V DC car adapter AmpliVox SW312: Wireless Sound Cruiser Black Grey