This instructable will guide you through the steps of using the PAM8403 CLASS D DC STEREO AMPLIFIER. THIS TINY AMPLIFIER OPERATES ON 5V DC AND PRODUCES AN OUTPUT OF 6W ( 2 X 3 W ) . This is one of the cheapest and most powerful stereo amplifier, provided with proper wiring and power sources.

To convert watts (electrical power) to amps (electrical current) at a fixed voltage, you can use a variation of Watt's Law formula: Power = Current × Voltage (P = IV). By working backwards, we get the equation: amps = watts ÷ volts, which can be used to convert watts to amps.

以瓦特（W）为单位的电流，以安培（A）为单位的电流。

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One watt (W) is equal to one joule (J) per second (S). Ampere (A) is a unit of electric current. Electric current is the rate of electric charge flow per time unit. One ampere (A) is equal to one …

This amplifier’s 6-watt power rating, single EL84 power tube, and two 12AX7 preamp tubes deliver sweet, harmonic-rich tube saturation at volumes that won’t rattle the windows, making it an ideal amp for studio recording or at-home jamming.

以瓦特（W）為單位的電流，以安培（A）為單位的電流。

This is a very good and clean stereo amplifier. It can deliver 6W+6W output power, which is enough for your home theater. When used in bridge configuration it can deliver upto 19W of power.

Hand-made full tube A-class single-ended power guitar amplifier that is extraordinarily sensitive. It can be used is in many directionals, puts out enough sound pressure for live performances at small venues, real club gigs, and it’s really great in the studio recording.