TDA2003 2.0 Dual Channel Stereo Power Amplifier Board with Switch Small and Medium Power Amplifier

Description This circuit uses TDA2003 domestic integrated block the circuit is simple the passband is wide the sound quality is beautiful exclusive optimization ultra quiet no impact and can be widely used in various audio and small and medium power audio equipment audio amplifier circuits etc It has the characteristics of small size high output power low distortion etc The chip has its own internal protection circuit few external components high output power and adopts a small package TO 220 which can increase the assembly density and the switch machine has no impact and will not It damages the horn and contains various protection circuits so it works stably and reliably The power amplifier module has low power consumption and large enough output sound It uses ordinary full range speakers and has a 3P fan interface You can directly use computer fans and support fan cascade Use it to DIY refit as the power amplifier part of home active speakers or A small power amplifier couldn t be more suitable Parameter PCB size 84mm x 80mmRadiator size 76mm x 45mm x 21mmPower supply AC and DC dual purpose either ordinary direct current DC power supply or ordinary transformer AC AC power supply can be used Remember Can not be mixed only one power supply can be connected it is recommended to use DC12V DC power supplyDC power supply 12V2AAC power supply 7V 11V 20W 30W transformer Speaker unit 3 inches 5 inchesSpeaker impedance 2Ω 4ΩMaterial PlasticColor