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Stereo 20W Class D Audio Amplifier - MAX9744


Huge Savings Item! Save 19% on the Stereo 20W Class D Audio Amplifier - MAX9744 by Adafruit at The Met Theatre. MPN: 1752. Hurry! Limited time offer. Offer valid only while supplies last. Pump up the volume with this 20W stereo amplifier! This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. Power it with 5-12VDC using the onboard DC power jack and plug stereo line level into the 3.5mm stereo headphone jack and jam out with ease. Since it's class D, its completely cool-running, no heat sinks are required and it's extremely efficient - up to 93% efficiency makes it great for portable or battery powered rigs.We


Product Description & Reviews

Pump up the volume with this 20W stereo amplifier! This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. Power it with 5-12VDC using the onboard DC power jack and plug stereo line level into the 3.5mm stereo headphone jack and jam out with ease. Since it's class D, its completely cool-running, no heat sinks are required and it's extremely efficient - up to 93% efficiency makes it great for portable or battery powered rigs.We like the MAX9744 amplifier at the heart of this board because its very easy to use, but it also has both analog and digital volume control capability. Use a single 1KΩ pot (we include one) to adjust volume analog-style. Or hook it up to your favorite microcontroller and send I2C commands to set 64-steps of volume amplification.Some great stats about the MAX9744:Power from 4.5V-14V DC voltageUp to 93% efficient (88-93% typical)20mA quiescent current (or put into shutdown for 1uA quiescent)Up to 29.5dB max gainUse DC or AC coupled line-level input, up to 3VppFilterless Spread-Spectrum Modulation LowersRadiated RF Emissions from Speaker Cables20W Stereo Output (4Ω, VDD = 12V, THD+N = 10%)Low 0.04% THD+NIntegrated Click-and-Pop SuppressionShort-Circuit and Thermal-Overload ProtectionWe took this lovely chip and wrapped it up into a breakout for you, with polarity-protection, jacks and terminal blocks, i2c level shifting, and a spot to solder in a volume pot.Each order comes with one MAX9744 breakout board with all surface-mount parts fully assembled and tested. We also include 3 x 2pin and 1 x 3pin terminal blocks, a 470uF power filter capacitor and 1KΩ trim pot. To use this board, a little soldering is required to attach the terminal blocks and other components, but its fairly easy and expect

Features & Highlights

  • Adafruit Part Number: 1752
  • Stock Type: Halloween >> Accessories
  • In Stock & Ready to Ship

Additional Information

Manufacturer:Adafruit
Brand:Adafruit
Model:4330353757
Part Number:1752
Publisher:Adafruit
Studio:Adafruit
MPN:1752
UPC:701980281716
EAN:0701980281716
Item Weight:0.02 pounds
Item Size:1.61 x 0.08 x 0.08 inches
Package Weight:0.05 pounds
Package Size:2 x 0.4 x 0.4 inches

Stereo 20W Class D Audio Amplifier - MAX9744 by Adafruit

Buy Now:
Stereo 20W Class D Audio Amplifier - MAX9744

4.3 out of 5 stars with 55 reviews
Condition: New
Lead Time: 1 - 2 Business Days
Availability: In Stock
$20.81
$17.00
You Save: 18%


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