Upgrade Your Home Theater: Best 2.1 Pre-Amp Board for High Bass

Описание: This MT Hi-Fi Version 2.1 pre-amplifier board is designed for DIY audio enthusiasts looking to build or upgrade a 2.1 channel home theater system.Key Technical SpecificationsAudio ICs: The board utilizes two NE5532P low-noise operational amplifiers, which are industry standards for high-quality audio signal processing.Power Requirements: It features a built-in rectifier bridge and large filter capacitors ($2200\mu F$ each), designed to be powered by a 12V-0-12V AC dual power supply.Onboard Controls: The four potentiometers (knobs) allow for precise tuning of:Subwoofer Frequency: Adjusts the crossover point for the bass.Subwoofer Volume: Independent control for the low-end punch.Treble/Mid-High: Enhances vocal and high-frequency clarity.Master Volume: Overall output control for the entire 2.1 system.Connectivity GuideAudio Input: Dual RCA sockets (Red for Right, White for Left) for easy connection to phones, Bluetooth modules, or PCs.Audio Output: A 3-pin terminal block labeled R, GND, L sends the processed signals to your main power amplifier.Power Input: A 3-pin terminal block labeled AC, GND, AC for connecting a center-tapped transformer.Why Choose This Board?Compact Design: Ideal for small custom amplifier enclosures.High-Quality Components: Features metal film resistors and high-capacitance filters to minimize humming and distortion.Versatility: Works perfectly with power amplifier boards like the TDA series or 4440 IC setups to create a full-featured sound system.

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