Product: Powered Subwoofer, BESTISAN Home Audio Bluetooth Subwoofer, Built-in Amplifier Wireless Compact Sub for TV/Receiver/Speakers/Home Theater, Optical/Bluetooth/RCA Line Input&Output (6.5 Inch, Black)
Brand: BESTISAN
Powerful Compact Subwoofer with Tight and Thumpy Bass- The 6.5" powered subwoofer features continuously variable 60-250hz crossover and 40-250 hz frequency response, designed for audio and home theater performance, provide low, tight and smooth bass.
Bluetooth & Wired Seamless Streaming- Included RCA, optical and Bluetooth allow powered subwoofer to blend the subwoofer’s low-frequency tones with receivers, turntables, speakers, soundbar, phone, TVs, laptop, etc.
Connect the Subwoofer to Soundbar and TV - Switch the mode of the subwoofer to OPT and connect it to TV via optical cable in the box, then hook a supplied RCA cable between audio out port on the sub and AUX in port on the soundbar. Switch the soundbar to AUX mode.
RCA Line Inputs For Compatibility With Most Receivers- Hook a subwoofer cable(not supplied) between subwoofer out port on the receiver and left input RCA port on the sub. Switch the subwoofer to audio in mode.
Adjustable Volume And Low-Frequency- Independent volume and low-frequency bandwidth adjustment knob located on the back panel of the subwoofer allows you to adjust the volume and low-frequency bandwidth according to your preference.

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