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

    € 14,95 Niet op voorraad: binnen 1 week leverbaar
    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.... Toon meer
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    Productomschrijving

    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.

    Specificaties

    Artikelnummer
    AA-AB32261
    Rated power output
    <p>2 x 150 milliwatts at 8 ohms</br>2 x 120 milliwatts at 16 ohms </br>2 x 75 milliwatts at 32 ohms </p>
    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
    <p>1.7k ohms </br>3.3k ohms</p>
    Amplifier Classification
    Class AB
    Circuit Topology
    Texas Instruments LM4881
    Speaker output channels
    2
    Input connection type
    <p>3.5 mm jack</br>PCB solder connection</p>
    Speaker output connection type
    <p>3.5 mm jack</br>PCB solder connection</p>
    DSP function
    -
    Bluetooth
    -
    EQ Adjustment
    -
    Power Requirements
    8 - 24 VDC, 500 mA
    Power inlet connector
    <p>DC jack</br>PCB solder connection</p>
    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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    AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
    € 14,95
    AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board
    AA-AB32261
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