Notice: This Power Amplifier Board Is Pure Bass Output(Subwoofer), No Midrange And Treble Output. The Main Parameters: Power Supply: Dc6.5-16V (Depending On The Required Output Power), Eg. Power Adapter, Switching Power Supply, Battery, Etc., The Recommended Current Is More Than 3A. Output Power: Vdd = 7.4V Rl = 2 O 12.5W Output Power: Vdd = 9.0V Rl= 2 O 18W Output Power: Vdd = 12V Rl = 4 O 20W Output Power: Vdd = 16V Rl= 4 O 32W In Order To Obtain A More Shocking Effect, It Is Recommended To Use A 4-5 Inch, 4-6O 20-50W Subwoofer Speaker. In Order To Obtain A Larger Power, It Is Recommended That The Power Supply Be Not Lower Than 9V. Upper Crossover Point: 110Hz. Pcb Material: Fr-4 Glass Fiber Board, Thickness: 1.6Mm. Board Size: 1.57X1.65X0.78Inch/40X42X20Mm (Lxwxh), Excluding Potentiometer Handle Length (Pot. Protruding Length 0.59Inch). The Potentiometer Mounting Hole Diameter Needs To Be 0.28Inch/7Mm. Power Input Interface: 5.5*2.1Dc Socket Or Pad Of Welding Wire Audio Input Interface: 3.5Mm Plug Or Pad Of Welding Wire Onboard Fixing Hole Diameter: M3 Package Included: 1 X Subwoofer Amplifier Board
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Q: What is the size of the Subwoofer Amplifier Board?A: The Subwoofer Amplifier Board measures one point five seven inches by one point six five inches by zero point seven eight inches.
Q: What materials are used in the Subwoofer Amplifier Board?A: The Subwoofer Amplifier Board is made from FR-4 glass fiber board, which is durable and heat resistant.
Q: What is the power supply requirement for this amplifier?A: The recommended power supply for the amplifier is DC six point five to sixteen volts with a current of more than three amps.
Q: How do I install the Subwoofer Amplifier Board?A: To install the Subwoofer Amplifier Board, connect the power supply to the five point five by two point one DC socket and the audio input to the three point five millimeter plug.
Q: Is this amplifier suitable for my car audio system?A: Yes, this amplifier is designed for use with car audio systems, providing powerful bass output for enhanced sound quality.
Q: How do I connect my speakers to the amplifier?A: To connect speakers, use a compatible speaker wire and connect it to the output terminals of the amplifier.
Q: What is the recommended method for cleaning the amplifier?A: To clean the amplifier, use a soft, dry cloth to gently wipe the surface and avoid using any liquid cleaners.
Q: Does this amplifier have a warranty?A: Yes, the Subwoofer Amplifier Board typically comes with a standard manufacturer warranty, which covers defects in materials and workmanship.
Q: Can I use this amplifier with a subwoofer of any size?A: No, it is recommended to use a subwoofer that is four to six inches in size and rated between twenty to fifty watts for optimal performance.
Q: What should I do if the amplifier does not power on?A: If the amplifier does not power on, check the power supply connections and ensure it meets the required voltage and current specifications.
Q: What output power can I expect from this amplifier?A: The output power varies with the voltage; at twelve volts and a four ohm load, you can expect up to twenty watts.
Q: Is this amplifier safe for home use?A: Yes, this amplifier is safe for home use when installed correctly and used within the specified voltage range.
Q: What type of speakers work best with this amplifier?A: This amplifier works best with a four to six ohm subwoofer speaker for optimal bass output.
Q: What is the upper crossover point for this amplifier?A: The upper crossover point for this amplifier is one hundred ten hertz, filtering out higher frequencies.
Q: How is the amplifier board mounted?A: The amplifier board can be mounted using the onboard fixing holes with a diameter of M three.
Q: What is the output power at different voltage levels?A: At seven point four volts, the output is twelve point five watts; at nine volts, it's eighteen watts; at twelve volts, it's twenty watts; and at sixteen volts, it's thirty-two watts.