Main FeaturesManufacturer/Supplier: Nady System, IncManufacturer Part Number: WA 120 LT/O/A3 115Manufacturer Website Address: http://Brand Name: NadyProduct Model: WA-120Product Name: WA-120 Public Address SystemProduct Type: Public Address SystemAmplifier: 20 W Built-inSpeakers: Speaker WirelessReceiver Type: VHF Built-InMicrophone: WirelessFeatures: Rechargeable BatteryInterfaces/Ports: 2 x 1/4" - Stereo Audio Line In - Audio, 1 x 1/4" - Stereo Audio Line Out - AudioControls: Treble , Bass , Built-In Echo Reverb Input Voltage: 110 V AC, 220 V ACFrequency: 60 HzHeight: 8.3"Width: 10.6"Depth: 5.4"Weight (Approximate): 5.29 lbPackage Contents: WA-120 Public Address System , WLT Lavalier MicTransmitter