TPA3118D2 Stereo Power Amplifier Module DC 12V 24V 28V Dual Channel 45W*2 Digital HD Edition Audio Power Amplifier Board

Description:

This is an audio power amplifier board that strengthens low-power, inaudible electronic audio signals such as the signal from radio receiver or electric guitar pickup to a level that is strong enough for driving loudspeakers or headphones. Power amplifiers make the signal audible to listeners. It is the final electronic stage in a typical audio playback chain before the signal is sent to the loudspeakers and speaker enclosures.

Specification:

Chips: TPA3118D2

Maximum Power: 45W*2

Operating Voltage: DC 12-28V(24V best)

AUX input: 3.5mm Audio Earphone Jack

Input Current: 3A

Output impedance: 4-8Ω 

input impedance: 1KΩ

Signal to noise ratio: 100db

Package Included: 

1 * TPA3118D2 Digital Amplifier Board