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Step up the output of your smartphone to drive high impedance headphones with this Class AB headphone amplifier board kit. The LM4881 IC is used to provide up to 15.7 dB of high-quality switchable gain to power even the most power-hungry headphones.
Sure Electronics AA-AK32261 Stereo 2 x 150mW Class AB LM4881 DIY Headphone Amplifier Board
This compact, self-contained headphone amplifier board is built around the Texas Instruments designed LM4881 dual headphone amplifier IC. The LM4881 features high quality, Class AB output with minimal components and can operate with a wide array of power supplies from 8 to 24 VDC without the need for a heat sink.
Additional to its use as a headphone amplifier, this amplifier board may also be used as a preamplifier or a small loudspeaker power amplifier, with an output of up 150 mW per channel at 8 ohms. An exceptionally low total harmonic distortion and noise rating of 0.1% @ 150 mW into an 8 ohm load ensures clean output with lower impedance loads. Distortion and noise are even lower for high impedance headphone loads; 0.02% @ 75 mW into a 32 ohm load.
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Speakers
Amplifiers
DAC converters
DSP modules
Streamers
Turntables
Woofers
Tweeters
Exciters
Bass shakers
Plate amplifiers
Amplifier modules
Single board computers
Assembled crossovers
Printed Circuit Boards (PCB)
Capacitors
Resistors
Coils
Circuit Breakers
Crossover tools
Screw terminals
Acoustic measurements
Electric measurements
Sound level meters
DIY amplifier kits
DIY component packs
DIY speaker kit
DIY subwoofer kits
DIY bluetooth speaker
DIY electronics kits
Binding posts
Cabinet Hardware
Cables
Connectors
Speaker cabinets
Electromechanics
Power supplies
Speaker repair
Workshop & tools
Amplifier accessories
Stands & mounts
Gift voucher
Books
New products
