Rockville 12" Portable YouTube Karaoke Machine/System w/ 4 Mics See Description! RAM12BT: Amplified Pro Audio Speaker with Bluetooth Capability. 12" Amplified Portable Pro Audio Speaker. Power Ratings:. 600 Watts Peak Power. 300 Watts Program Power. 150 Watts RMS. High Power Class A/B Amplifier. Blue Tooth Pairing from External Music Source. Built-In USB (2.0)/SD/MMC/MP3 Inputs w/LCD Display. 5 Band Equalizer. AUX RCA Line In/RCA Line Out. 1 Mic Input (XLR). Built-In FM Radio Tuner. AUX RCA Line In/RCA Line Out. 1 Mic Input (XLR). 1 Mic Input (1/4"). Wireless VHF Mic Capability with 2 Wireless VHF Mics Included. Built-In 12V-7A Battery for Portability. Optional External Battery Connection for Extended Play Time. AC Power Input with Built-in Battery Charger. Built-In Wheels and Carry Handles for Easy Transport. 60oz Magnet Motor Structure. 4 Ohm 1.5" KSV High Power Voice Coil. 25mm, 8 Ohm Titanium Diaphragm Tweeter. Unit Weight 35lbs Rockville RWM1201VH VHF Wireless Dual HandHeld Microphone Mic System. High performance wireless hand held microphone system. Includes transmitter with (2) hand held microphones. High sensitivity, unidirectional, wireless cardioid microphones . Featuring a dual filter design to limit feedback and interference. Transmitter automatically links to receiver for ease of use. Durable composite microphone construction. Comfortable ergonomic design System : Operating Range: 100-200(indoor), 65-165(outdoor). Frequency Range: 80MHz-12000MHz. Dynamic Range: 110dB. S/N: 90dB. Operating Temperature: 14F-122F. Frequency Stability: 0.005%. Modulation Mode: VHF. Carrier Frequency Range: 180-280MHz. Reciever : Sensitivity: (S/N=30dB) &gt;2mV. De-Emphasis: 50S. Audio Output Impedance: 600. Audio Output Level.: 0-0.5V. Power Supply: AC110V /50Hz. Current Consumption: 50mA. Audio Out Connector: 1/4 unbalanced (1) Rockville RAM12BT 12&#034; Rechargable Powered 600W PA Speaker, 2 Mics (1) Rockville RWM1201VH VHF Wireless Dual HandHeld Microphone Mic System Decide which device you would like to use as your karaoke viewing screen (iPad, iPhone, Android, or Laptop) Turn on your device, and the speaker and Pair the Two using the Bluetooth Feature. Next go to Youtube on your device. Type whichever Song name + the word Karaoke you would like to sing into the YouTube Search Field. Adjust the volume of the speaker and/or microphones as you see fit. Our complete grab-and-go PA system Party off the grid with onboard battery power Bluetooth equipped for wireless playback freedom Includes Remote RAM12BT: Amplified Pro Audio Speaker with Bluetooth Capability 12&#034; Amplified Portable Pro Audio Speaker Power Ratings: 600 Watts Peak Power 300 Watts Program Power 150 Watts RMS High Power Class A/B Amplifier Blue Tooth Pairing from External Music Source Built-In USB (2.0)/SD/MMC/MP3 Inputs w/LCD Display 5 Band Equalizer AUX RCA Line In/RCA Line Out 1 Mic Input (XLR) 1 Mic Input (1/4&#034;) Wireless VHF Mic Capability with 2 Wireless VHF Mics Included Built-In 12V-7A Battery for Portability Optional External Battery Connection for Extended Play Time AC Power Input with Built-in Battery Charger Built-In Wheels and Carry Handles for Easy Transport 60oz Magnet Motor Structure 4 Ohm 1.5&#034; KSV High Power Voice Coil 25mm, 8 Ohm Titanium Diaphragm Tweeter Unit Weight 35lbs 12&#034; Active/Powered DJ/PA Speaker With Built in Bluetooth 2 Wireless Microphones Built In Rechargeable Battery Rockville RWM1201VH VHF Wireless Dual HandHeld Microphone Mic System High performance wireless hand held microphone system Includes transmitter with (2) hand held microphones High sensitivity, unidirectional, wireless cardioid microphones Featuring a dual filter design to limit feedback and interference Transmitter automatically links to receiver for ease of use Durable composite microphone construction Comfortable ergonomic design Operating Range: 100-200(indoor), 65-165(outdoor) Frequency Range: 80MHz-12000MHz Dynamic Range: 110dB S/N: 90dB Operating Temperature: 14F-122F Frequency Stability: 0.005% Modulation Mode: VHF Carrier Frequency Range: 180-280MHz Sensitivity: (S/N=30dB) &gt;2mV De-Emphasis: 50S Audio Output Impedance: 600 Audio Output Level.: 0-0.5V Power Supply: AC110V /50Hz Current Consumption: 50mA Audio Out Connector: 1/4 unbalanced Frequency Stability: 0.005% RF Output Power: 30mW Modulation Mode: VHF Maximum Deviation Range: 50KHz Microphone Mode: Fixed Pre-Emphasis: 50S Power Supply: 9V Batt./1.5V2 Current Consumption: 35mA