![SMSL AMPLIFICADOR DE POTENCIA AO100 de alta calidad, Subwoofer de recepción con Bluetooth 5,0, Infineon MA12070 chip de amplificador de potencia, salida de 70W x 2| | - AliExpress SMSL AMPLIFICADOR DE POTENCIA AO100 de alta calidad, Subwoofer de recepción con Bluetooth 5,0, Infineon MA12070 chip de amplificador de potencia, salida de 70W x 2| | - AliExpress](https://ae01.alicdn.com/kf/S18dce954b553492789e7ee0895e4445ep/SMSL-AMPLIFICADOR-DE-POTENCIA-AO100-de-alta-calidad-Subwoofer-de-recepci-n-con-Bluetooth-5-0.jpg_Q90.jpg_.webp)
SMSL AMPLIFICADOR DE POTENCIA AO100 de alta calidad, Subwoofer de recepción con Bluetooth 5,0, Infineon MA12070 chip de amplificador de potencia, salida de 70W x 2| | - AliExpress
![How 2 hook up a active subwoofer to a receiver or integrated amp with no subwoofer pre out on unit - YouTube How 2 hook up a active subwoofer to a receiver or integrated amp with no subwoofer pre out on unit - YouTube](https://i.ytimg.com/vi/Ew7G6H9YoVA/hqdefault.jpg)
How 2 hook up a active subwoofer to a receiver or integrated amp with no subwoofer pre out on unit - YouTube
![Why are these pre out / main in just connected like this? And also, would you use this to hook up a powered subwoofer? Technics SA-R921 receiver. : r/BudgetAudiophile Why are these pre out / main in just connected like this? And also, would you use this to hook up a powered subwoofer? Technics SA-R921 receiver. : r/BudgetAudiophile](https://preview.redd.it/d66cdilbzae11.png?width=640&crop=smart&auto=webp&s=351c9a60687f70d462dd5882fbe06ea993abd2c7)