2.1 Channel Preamp Board HiFi Power Amplifier NE5532 Low Pass Filter Subwoofer Tone | Электроника

2.1 Channel Preamp Board HiFi Power Amplifier NE5532 Low Pass Filter Subwoofer Tone | Электроника

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DIY kits, you need solder its yourself.
The onboard bass frequency adjustment point device can be used for a wide range of adjustments, so that the subwoofer can be harmoniously integrated into the mid-to-high-pitched atmosphere without a sense of violation. The phase switch is designed to be compatible with both in-phase and inverting amplifiers.
Both full frequency and low frequency output signals have separate interfaces for convenience and practicality.
Parameter:
Product Name: 2.0+0.1 Low Pass Filter Preamp
Chip model: NE5532 78M12
Input voltage: DC 12-30V AC 9-20V
Architecture: Dual 5532 2.0 Full Tone + 0.1 Bass
Frequency range: full tone 20-20KHz bass 20-200Hz
Features: 2.0+0.1 volume controllable bass frequency phase adjustable
colour:blue
Material:Metal +pc
Size: about 98*40*23mm
Package Contents:
1* 2.1 channel subwoofer preamp board Diy Kit
Note: This product is not directly connected to the speaker, you need to match the amplifier to drive the subwoofer. The performance of the bass has a lot to do with the frequency response of the amplifier and the speaker and the cabinet. Please treat it rationally!
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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