product description
product information: Its efficient Class D operation means low heat and long battery life. It can drive an 8 ohm speaker up to 1.4 watts; it will not shake the stadium, But it will provide plenty of volume for your audio projects. Fully differential input can be safely used for floating audio signals (such as from our MP3 shield), It can also be connected to the ground reference signal. Shutdown input to save power when not using amplifiers Solder jumpers and connectors are provided to connect the volume control potentiometer (not included). Note: The amplifiers Class D design outputs a 250Khz PWM-like signal that recovers to the analog voltage in the speaker coil. This is why amplifiers are so efficient, but because of the switching frequency, You should try to keep the amplifier as close as possible to the speakers to minimize possible interference. characteristic: Extremely efficient class D amplifier 1.4W to 8 ohms 2.5V to 5.5V power supply Fully differential audio input, can be grounded as a reference as well Pull-up and LED off circuit shutdown inputs PTH pad, used to change the gain resistor if Solder jumpers and connectors allow adding a 10k volume control potentiometer (not included) Product weight 0.64 ounces
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