Digital wireless amplifier system with microphone ATW-SP1910/MIC 1 set

Uses a 1.9GHz digital system with less radio interference. A 2-way power model that can be powered by either an AC adapter or batteries. Wireless amplifier: Model number: ATW-SP1910 Power supply: DC12V (use the included AC adapter), or 8 x AA alkaline batteries, or 8 x AA nickel-metal hydride batteries Continuous use time: Approximately 9 hours (when using C alkaline batteries), approximately 8 hours (when using C nickel-metal hydride batteries) *Depends on usage conditions. Power consumption: 17W (at rated output) Frequency range: 85-20,000Hz Operating temperature range: 5 to 45°C External dimensions: H364.3 x W283 x D240mm (with handle stored) Mass: Approx. 5.6kg Wireless section: Frequency range: 1895.616-1902.528MHz Wireless method: 1.9GHz DECT compliant method Frequency response: 100-10,000Hz Number of receivers: 1 channel Antenna: Built-in antenna (diversity) Communication distance: Approximately 50m (line of sight, no jamming signals) Amplifier/Speaker section: Maximum output: 12W (when using AC adapter/battery) Maximum output sound pressure level: 106dB (JEITA) Rated distortion: 2% or less Input impedance: Microphone (wired Φ6.3mm mono)/1kΩ, Microphone (wired XLR balanced)/10kΩ, External input/47kΩ S/N ratio: 65dB or more (external input terminal) Enclosure type: Bass reflex (phase inversion type) Speaker unit: Φ16cm cone type full range Wireless microphone: Model number: ATW-T190MIC Power supply: 2 AA alkaline batteries or 2 AA nickel-metal hydride batteries Current consumption: 150mA Wireless method: 1.9GHz DECT compliant method Frequency range: 1895.616-1902.528MHz Frequency response: 100-10,000Hz Antenna: Built-in antenna (diversity) Communication distance: Approximately 50m (line of sight, no jamming signals) Continuous use time: Approximately 11 hours (when using AA alkaline batteries), approximately 10 hours (when using AA nickel-metal hydride batteries) *Depends on usage conditions. Type: Dynamic type Polar pattern: Unidirectional (hypercardioid) Operating temperature range: 5 to 45°C External dimensions: Φ54×240mm Weight (excluding batteries): Approx. 245g Comes with pouch