Review and audio Testing of IOT-Audios 150W Subwoofer Amplifier Board Home Theater Mini Amp Audio Power Amplifiers Bass DC12-32V
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Technical Specifications:
Voltage DC12-32v
IC used - CS8683H
Product description:
1. This is a bass power amplifier board with preamplifier, bass crossover, and bass volume potentiometer control. It is for the pros who already have 2.0 amplifiers, and the DIY combination is used for 2.1 amplifiers.
2. It is based on high performance digital power amplifier chip.
3. Use DC power supply12-32Vpower supply, wide working voltage, power-saving design, efficiency up to 90%. Supports up to 150W (Bass) bass channel output.
4. You can use a good performance switching power adapter, notebook switching power supply, or rectified and filtered transformer power supply, you can also use a rechargeable source, or car power supply, etc...
5. Boot anti-shock protection design, there is no POP popping at boot, please pay attention to the high requirements.
6. The board is a finished board that has been soldered and tested. Connect the speaker according to the picture, and input it with audio input and power.
Technical Parameters:
Board Size: 55 X 83 X 29mm (excluding the protrusion of the potentiometer 15mm)
Operating voltage range: DC9-32V (4A or more)
Frequency response range: Input: 20Hz-20KHz
Output: 20Hz-180Hz
Audio input sensitivity: 500mV
Subwoofer impedance: 4-8 ohm