1pcs DC 9-32V Low Pass Filter Bass Subwoofer Pre-AMP Amplifier Board Single Power

Post on 2016-10-07 / Last Updated: 2017-10-18 / All Amplifier Listing / Best prices for Amplifier / Amplifier Best-Selling

1pcs DC 9-32V Low Pass Filter Bass Subwoofer Pre-AMP Amplifier Board Single

Discount : 7% OFF
Min. Qty. 1/lot.
Evaluate Score : 4.9/5
Promotion End : 2017-11-11

Buy Now $8.93

--- Last Updated: 2017-10-18

--- Product prices and availability are accurate as of the date/time indicated and are subject to change.

--- Any price and availability information displayed on AliExpress.com at the time of purchase will apply to the purchase of this product.

--- Date/Timezone : Asia/Shanghai

Pictures and more details of 1pcs DC 9-32V Low Pass Filter Bass Subwoofer Pre-AMP Amplifier Board Single Power

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Description:

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.
Features:
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 AmplifierBoard
1x Power wire
1x Audio Shieklded wire
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