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. Specifications Specifications Details Model HD-A1 Output Power 50W x 2 Terminating Impedance 2Ω-16Ω Input Mode RCA Output Mode Speakers Output Frequency Range 20Hz – 20kHz (±1 dB) THD ≤ 0.002% Input Sensitivity ≤ 280mV Power input AC 100-120V/AC 220-240V What‘s in the box? Item Quantity Fosi Audio HD-A1 Amplifier x 1 AC power cord x 1 User’s Manual x 1 Video





