DC 9-32V Low Pass Filter Bass Subwoofer Pre-AMP Amplifier Board Single Power with Bass volume adjustment

Availability: In stock

$6.98 $6.00

Product Description

[xlmodel]-[custom]-[8888] DIY amplifier board details
Dear friend,Thank you for you visit our store!!
We will send the best goods and the best service to you !!
Wish you a pleasant shopping experience!!
Special note:
This board is a preamp board, and is not designed to 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.
Power supply voltage: DC 9V-32V DC 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
Package included:
1x Low Pass Filter Bass Subwoofer Pre-AMP Amplifier Board
1x Power wire
1x Audio Shieklded wire
[xlmodel]-[photo]-[0000] Photos List
[xlmodel]-[custom]-[8888] Shipping services:
I will send your item in 4 days after your payment
All will be shipped by international standard airmail,Sometimes may delay one more week,
as for your Country Customhouse.
United Kingdom | United States | Australia | Canada |( About 15-35 Days )
Germany | Austria | Switzerland |( About 15-35 Days )
France | Italy | ( About 25-60 Days )
Other | ( About 30-90 Days )
If you choose the following shipping methods,the shipping fee will be charged.
EMS ,shipping date: 5 to 13 days
DHL ,shipping date: 2 to 8 days
FEDEX ,shipping date: 2 to 8 days
TNT ,shipping date: 2 to 8 days
Return policy:
If you are not satisfied with our quality,Pls send back to us,we will return your money except shipping cost.
But we don`t accept the return by the color differentia.Because different monitor have different display.And every time,
maybe the same color No. will have a little color differentia.
Dear buyers, we appreciate your business, if you are satisfied with our service,
please leave us a positive feedback and rate the details of the transaction.
Your recognition will make us more confident to develop business and serve you better.
Please email us before leaving negative feedback or open any dispute.
We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues.
Please give us the opportunity to solve any problem.
If there is customs expenses,you need to pay the taxes to the courier on receipt of the items.

  • Unit Type: piece
  • Package Weight: 0.1kg (0.22lb.)
  • Package Size: 1cm x 1cm x 1cm (0.39in x 0.39in x 0.39in)

  • Package: Yes
  • Channels: 1
  • Brand Name: TIANCOOLKEI
  • Model Number: Low Pass Filter
  • Maximum Power Per Channel: 10W
  • Type: Home Amplifier


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