Description: Description: Note: This board is a preamp board, it can't be directly connected to the speaker. It must be connected to the subsequent stage of an amplifier board for this pre-amp to work. The so-called low-pass filter to filter out the human voice board is more than treble part, retain the low frequency part is amplified to improve the bass reproduction efforts, people will not hear the sound of musical instruments and high-frequency sound during playback. The buyer must understand knowledge of this area. Features: Power supply voltage: DC 9V-32V single power supply Dual channel input, subwoofer output, then the output amp|ifier,can not directly connected to the speaker The multi-stage filter, better bass effect The phase adjustable Potentiometer from left to right: frequency adjustment, bass volume control The cut-off frequency: 22HZ-240HZ Potentiometer shaft center to center spacing: 3cm PCB Size: 62 9* 26.5mm Audio input: mono or two-channel Audio output: Mono(connect with amplifier) Package included: 1PC x Low Pass Filter Bass Subwoofer Pre-AMP Amplifier Board 1PC x Power cable 1PC x Audio Shieklded cable Contact usReturn PolicyFeedbackContact us For anything problem about product, price, shipping or order status, pleasecontact us via eBay message.Just contact us using the "Ask the seller a question" link on eBay. We expect positive feedback and 5 scores DSR from you. Return Policy We believe our items are so outstanding. We are convinced you will be happy with your Purchase. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse. Please include your eBay ID and item number with any email requests. Feedback * When you satisfied with our product and services please leave us positive feedback. * If you have got the package, please confirm "Delivery on time" For us. * If a problem occurs, contact us immediately with any email request. * Just contact us using the " Ask the seller a question" link on eBay. Your Satisfaction is our Priority. Our goal is to make all our customers as happy as possible while shopping with us.On Aug-19-20 at 06:11:08 PDT, seller added the following information:
Price: 4.94 USD
Location: 深圳, 廣東省
End Time: 2025-01-19T14:05:30.000Z
Shipping Cost: 3 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Brand: Unbranded
MPN: Does Not Apply
UPC: Does not apply
EAN: Does not apply
