Fosi Audio HD-A1 Hi-Fi Home Class AB Power Amplifier

Color: Black
Input Voltage: AC220V-240V
Sale price$219.99


  • RMS 50watts x 2(8 ohms, 20 Hz - 20 kHz, 0.02% THD) for 2-16ohm speakers.

  • Similar to the HDAM circuit, adopts TOSHIBA 2SA1943 *2 and 2SC5200 as amplifier output chip to get HI-FI sound quality; Home HiFi amplifier, Sturdy, Aluminum enclosed amp makes it perfect for projects and DIY audio applications.

  • Tube Sound Quality: The JFET FET with the characteristics of electron tube is used as the single differential input and the output adopts the Large Current Darlington structure, which not only has a warm voice but also has powerful output; Exclusively designed for the customers who pursue HiFi sound.

  • 110V Powerful Power Supply: A-core non-breaking point oxygen-free copper ring transformer to get stable and powerful power input; We also have the AC220V Version. Japan Omron relay protection circuit; NOVER gold-mounted audio capacitors; Japan ALPS Potentiometer; All-aluminum chassis;

  • Manufacturer-Direct, free lifetime technical support, and 18-month manufacturer's warranty.

Fosi Audio HD-A1 Hi-Fi Home Class AB Power Amplifier
Fosi Audio HD-A1 Hi-Fi Home Class AB Power Amplifier


  • Power input: AC 110v;

  • THD: ≤ 0.002%;

  • Frequency Range: 20Hz - 20kHz (±1 dB);

  • Input sensitivity: ≤ 280mV;

  • Terminating impedance: 2Ohm - 16 Ohm;

  • Output power: 50W + 50W;

  • Input mode: Analog;

  • Supplied Accessories: Amplifier, AC power cord, Manual.

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