Adafruit Mono 2.5W Class D Audio Amplifier - Pam8302 [Ada2130]
$12.02
Regular price
$17.17
-29%
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Domestic Delivery: Typically 3-5 business days
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This Super Small Mono Amplifier Is Surprisingly Powerful - Able To Deliver Up To 2.5 Watts Into 4-8 Ohm Impedance Speakers. Inside The Miniature Chip Is A Class D Controller, Able To Run From 2.0V-5.5Vdc. Since The Amp Is A Class D, Its Very Efficient (Over 90% Efficient When Driving An 8O Speaker At Over Half A Watt) - Making It Perfect For Portable And Battery-Powered Projects. It Has Built In Thermal And Over-Current Protection But We Could Barely Tell It Got Hot. Theres Even A Volume Trim Pot So You Can Adjust The Volume On The Board Down From The Default 24Db Gain. This Board Is A Welcome Upgrade To Basic Lm386 Amps! The A+ And A- Inputs Of The Amplifier Go Through 1.0Uf Capacitors, So They Are Fully Differential - If You Dont Have Differential Outputs, Simply Tie The Audio- Pin To Ground. The Output Is Bridge Tied - That Means The Output Pins Connect Directly To The Speaker Pins, No Connection To Ground. The Output Is A High Frequency 250Khz Square Wave Pwm That Is Then Averaged Out By The Speaker Coil - The High Frequencies Are Not Heard. All The Above Means That You Cant Connect The Output Into Another Amplifier, It Should Drive The Speakers Directly.
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
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![Adafruit Mono 2.5W Class D Audio Amplifier - Pam8302 [Ada2130]](http://electroeshop.com/cdn/shop/files/61siG19gc3L.jpg?v=1762331112&width=1400)
![Adafruit Mono 2.5W Class D Audio Amplifier - Pam8302 [Ada2130]](http://electroeshop.com/cdn/shop/files/71O5xyK3SYL.jpg?v=1762331112&width=1400)
![Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302 [ADA2130]](http://electroeshop.com/cdn/shop/files/61PWy-BSrpL.jpg?v=1761972061&width=1200)
![Adafruit Mono 2.5W Class D Audio Amplifier - Pam8302 [Ada2130]](http://electroeshop.com/cdn/shop/files/61jJrPuNBGL.jpg?v=1762331112&width=1200)
![Adafruit Mono 2.5W Class D Audio Amplifier - Pam8302 [Ada2130]](http://electroeshop.com/cdn/shop/files/61siG19gc3L.jpg?v=1762331112&width=1200)
![Adafruit Mono 2.5W Class D Audio Amplifier - Pam8302 [Ada2130]](http://electroeshop.com/cdn/shop/files/71O5xyK3SYL.jpg?v=1762331112&width=1200)
