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        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board

        Sure Electronics AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board

        €14,95

        7 In stock

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        Sure Electronics AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board

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        Brand: Sure Electronics
        Show all Amplifier modules
        2 x 150 mW
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        € 12,36€ 14,95 7 In stock
        • -5% Purchase 4 for only € 14,20 per piece
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        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board

        Product description Sure Electronics AA-AB32261 Amplifier module

        Step up the output of your smartphone to drive high impedance headphones with this Class AB headphone amplifier board. The LM4881 IC is used to provide up to 15.7 dB of high quality gain to power even the most power hungry headphones.

         

        Highlights

        • High quality Class AB output that uses the LM4881 Boomer IC
        • Up to 150 mW of power per channel (15.7 dB of gain)
        • Able to drive 8 ohm speakers
        • Operates on 8 to 24 VDC

         

        Product details

        Sure Electronics AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board

        Tip:  Take a look at the table in this blogpost to see which power supply to choose for this product.

         

        This compact, self-contained headphone amplifier board is built around the Texas Instruments designed LM4881 Boomer® dual headphone amplifier IC. The LM4881 features high quality, Class AB output (up to 15.7 dB of gain) with minimal components and is able to 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 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.

         

        Locations for the addition of screw-down wire terminals are provided for signal inputs and power outputs. A two-conductor screw-down terminal is included for power supply connection. See related items for two-conductor screw terminals. Gain settings are provided for each channel, as-is stereo 3.5 mm input and output jacks, as well as a 2.1 x 5.5 mm DC power jack.

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        Specifications

        Article number
        AA-AB32261
        EAN
        0848864012216
        Rated power output

        2 x 150 milliwatts at 8 ohms
        2 x 120 milliwatts at 16 ohms
        2 x 75 milliwatts at 32 ohms

        Minimum load
        8 ohms
        Efficiency
        23 %
        Signal-to-noise ratio (SNR)
        -
        Distortion
        0.025 % THD+N at 1 kHz, 16 ohms, 120 milliwatts
        Frequency response
        100 - 20,000 Hz
        Gain
        9.6, 15.7 dB
        Input sensitivity
        0.19 V
        Input impedance

        1.7k ohms
        3.3k ohms

        Amplifier Classification
        Class AB
        Circuit Topology
        Texas Instruments LM4881
        Speaker output channels
        2
        Input connection type

        3.5 mm jack
        PCB solder connection

        Speaker output connection type

        3.5 mm jack
        PCB solder connection

        DSP function
        -
        Bluetooth
        -
        EQ Adjustment
        -
        Power Requirements
        8 - 24 VDC, 500 mA
        Power inlet connector

        DC jack
        PCB solder connection

        Current limit
        -
        Under/over voltage protection
        -
        Dimensions (L x W x H)
        76 x 51 x 16 mm
        Mounting hole spacing
        66 x 41 mm
        Mounting hole diameter
        -

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        Reviews

        1 reviews
        Review this product
        5 of 5
        -
        By Klaus on 16 January 2023
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        € 12,36
        € 14,95
        AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
        AA-AB32261
        7 In stock
        Add to cart
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