<br>Warm reminder: You may need to take about 30-100h time to operate the amp. RUN-IN the amp to get the best and stable sound.So during the first 100h the sound maybe is not the best, you can also use your own run-in method. <br> <b>Specification: </b> <br>Input sensitivity: 550 mV <br>Output power: 2 × 25W (ultra-linear connection) 2× 15W(Triode) <br>Signal to noise ratio: 88dB <br>Input impedance: 100KΩ <br>Input jack: CD / AUX / TAPE <br>Output impedance: 4 ohm, 8 ohm <br>Power consumption: 230W <br>Frequency response: 30Hz-45KHz <br>Vacuum tube: 5Z4P x1, EL34 x4, 6N1J x3 <br>Volume: 375W x 290D x 180H mm <br>Packing volume: 500x450x290Hmm <br>Weight: about 19 KG <br>Gross weight: 21 KG <br>Input Power Voltage: <br>This model is Power Supply Voltage: AC 110V - 120V / 50Hz-60Hz (For United States) <br>Package included: <br>BoyuuRange MT-34 MKII EL34 vacuum tube intergrated amplifier：1 <br>Power cable with plug of your national standard: 1 <br><b>All items guaranteed BRAND NEW in the original edition Box.</b> <br> <br><b>ONE-YEAR WARRANTY ! </b>