Small size and light weight It is about 5.5 pouds and 5.1inch(w) *3.9inch(d) *6.1inch(h). Won’t take up too much spaces and it has separate power supply, better music performance. Combine classical tube amplifier with modern Wifi technology. Instead of single AUX input. The APPJ 1601A add smart phone/SD card/computer/flash disk Input. Add more modern techlonogy in decoder while keeping hifi tube amplifier music. Work as a decoder , it Support most audio format Support MP3/WMA/AAC/AAC+/ALAC/FLAC/APE/WAV etc. audio formats Specifications: Tube: 6J1+6P14 • Power Output: 3W+3W @ 8 ohms • Frequency Response: 30-40Khz (+-1db) • Input Sensitivity: 700mV • Signal-to-Noise Ratio: -80dB / 3W • Residual Noise < 0.5mV AC •
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