We are pleased to announce that Quartz Acoustic is now the official dealer for Muzishare tube amps in Singapore. Specifications: Output: 5W per channel THD: <1% (1kHz) Frequency Response: 10Hz – 50kHz (-1.5dB) SNR: 90dB Input sensitivity: CD:650mV, AUX:650mV Input Impedance: 100kΩ Output Impedance: 4Ω-8Ω Tube configuration: EL84*2，5AR4*2，6N3*2 Voltage: 115V/220VAC 50Hz (This amp is perfectly usable in Singapore. There is no amp specially made for Singapore voltage, we are not that extraordinary. Our AC is 230V in theory but it fluctuates. 220-240V appliances will work perfectly fine.) Dimensions: (W) 270mm * (D) 245mm * (H) 145mm Weight: 11 kg (gross)