12-24V TPA3116 100W Subwoofer Amplifier Board for Bass Boost

Description

DESCRIPTION: Condition: 100% New Colour: As the picture shown 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 TI's TPA3116D2 high performance digital power amplifier chip. 3. Use DC power supply 12-24V power supply, wide working voltage, power-saving design, efficiency up to 90%. Supports up to 100W (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: DC9-25V (current 2-3A or more, if the power is larger, it is recommended to be 19-24V4A or more) Frequency response range: Input: 20Hz-20KHz Output: 20Hz-180Hz Audio input sensitivity: 500mV Subwoofer impedance: 2-8 ohm Note: 1. Output power and power supply voltage, speaker impedance, and audio source input size. Usually the power supply voltage is higher and the supported output power will be larger. 2. Speakers with different impedances can support different output powers. Usually, the power of the speakers is smaller and easier to achieve. NOTE: 1. Due to the hand measurement, there may have error measurement about 1-5mm. 2.Item color displayed in pictures may be showing slightly different on your computer monitor since monitors are not calibrated same. Your understanding will be highly appreciated. SHIPMENT: 1.Buyer take responsibility in import / tax cost (not included in item price) 2.Pls contact with us to confirm extra cost if you need to upgrade the shipping option 3.If there's any concern about shipping, pls contact with us for further confirmation RETRUN POLICY: -30 DAY MONEY BACK RETURN POLICY： 1. If you are unhappy with your item or changing of mind purchases for whatever reason, pls keep the item and package original. Buyer needs to afford the return postage. Besides, original postage will not return. 2. Please contact us within 30 days if you have a faulty item and we will cover the return postage where necessary, we do not cover this outside 30 days of purchase. -ADDRESS CHANGES: 1. If you enter the incorrect name or shipping details before purchasing, we will arrange shipment for you according to your ebay address. 2. We are not responsible for these changes if there is a mistake entered by the buyer. CONTACT US: 1. Our working time is from Beijing time 9:00am to 18:00pm on working days. 2. We hope to give you a good shopping experience. We will glad to help you solve problems once we receive your letter on working time. 3. If you have any questions or advice about the product you receive, pls contact us and send the pictures about the item firstly, we will check the issue for you ASAP and make you sastified.