Subwoofer Preamp Board, Amplifier Board Amplifier Electronic DIY Kit 2.1 Channel Preamp Board Phase Switch Designed for Amplifier

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Price: $10.75
(as of Sep 24,2022 02:23:57 UTC – Details)

ISRHEWs

Feature:
1. The onboard bass frequency adjustment potentiometer can make the subwoofer blend into the mid‑to‑treble harmoniously without a sense of violation.
2. Phase switch designed, both non‑inverting amplifier and inverting amplifier are compatible
3. Dual 5532, 2.0 full tone + 0.1 bass structure, can control the volume of each channel of 2.0 + 0.1
4. The bass frequency and phase are adjustable, and the bass is surging and powerful.
5. Both full frequency and bass output signals have independent interfaces, which is convenient and practical.

Specification:

Item Type: 2.1 Channel Preamp Board
Material: Synthetic cardboard
Chip Model: NE5532 78M12
Input Voltage: DC 12-30V AC 9-20V
Architecture: Dual 5532 2.0 full tone + 0.1 bass
Frequency Range: 20-20KHz full tone, 20-200Hz bass
Features: 2.0+0.1 volume controllable bass frequency phase adjustable

Package List:
1 x Synthetic Cardboard
23 x Resistance
1 x Accessory Package

Package Dimensions ‏ : ‎ 5.91 x 4.72 x 1.97 inches; 1.81 Ounces
Date First Available ‏ : ‎ September 23, 2021
Manufacturer ‏ : ‎ TOPINCN
ASIN ‏ : ‎ B09GZKVBTF

Both full frequency and bass output signals have independent interfaces, which is convenient and practical.
The onboard bass frequency adjustment potentiometer can make the subwoofer blend into the mid‑to‑treble harmoniously without a sense of violation.
Phase switch designed, both non‑inverting amplifier and inverting amplifier are compatible
The bass frequency and phase are adjustable, and the bass is surging and powerful.
Dual 5532, 2.0 full tone + 0.1 bass structure, can control the volume of each channel of 2.0 + 0.1