Gowe&reg; Hifi Tube Amplifier 25wx2, Hifi Tube Amp Tube Amp Fever Tube Amp Amplifier Cpi high-end champagne matte panel, noble and gorgeous, fine workmanship, panel with Treble TREBLE adjustment and bass BASS control! Output Power: 25W +25 W Power consumption: 100W Input Impedance: 47 ohms Input Sensitivity: 300MV Voltage Input: 110-220V/50-60HZ SNR: 80DB Frequency response: 28HZ ~ 20KHZ Output Impedance: 4 to 16 ohms Tubes: 6N1 * 2 pcs / Beijing Zhi 6P15 * 2 Weight: 4.4kg