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

• 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