For any questions or technical support, pls feel free to contact support@bestisan or ask through Q/A directly.

POWERED SUBWOOFER FOR ROOM-SHAKING BASS- This sub has a frequency response range of 40 to 250 Hz with a low-pass crossover filter, which can be adjusted through the full range, pumps dynamic theater-quality bass into your bedroom and apartment.
LFE & LINE INPUTS FOR COMPATIBILITY WITH MOST RECEIVERS& BOOKSHELF SPEAKERS– Hook a subwoofer cable between subwoofer out port on the receiver/ bookshelf speakers and LFE input RCA port on the sub.
6.5 INCH DOWN FIRING WOOFER – Long throw woofer with high rigidity PVA Treated cone, bottom slotted port, Bass Reflex cabinet design with vibration absorbing feet, high quality MDF with added internal bracing and black ash finish.
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.
100% SATISFACTION SERVICE- Bestisan offers lifetime technical support. Any questions or suggestions, pls freely email us for help. We will give you back within 24 hours.

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