Descrizione
The compact two-channel audio amplifier module XH-M145 is designed to amplify low-level analog audio signals for passive speakers. The module uses the YD138-E integrated circuit and operates in class D. It is equipped with a rotary potentiometer for volume control, a screw terminal block for power supply and outputs to speakers, and an audio input connector on the board.
Technical specifications
Model: XH-M145
Device type: stereo audio amplifier module
Amplifier operating class: D
IC used: YD138-E
Number of channels: 2
Recommended power supply: 12 V DC / 1.5 A
Working voltage range: DC 9 to 14 V
Declared output power: 2 x 8 W at 8 ohm load
Declared output power: 2 x 12 W at 4 ohm load
Module dimensions: 58 x 36 x 21 mm without potentiometer protrusion
Audio signal input: connector on the board
Outputs and power supply: screw terminal block
Terminal markings on the board: L-OUT, +12V, GND, R-OUT
Functions and features
Stereo design for left and right channels.
An integrated potentiometer allows direct volume control on the module.
Compact printed circuit board with mounting holes for mechanical attachment.
Equipped with electrolytic capacitors and a power amplifier circuit in one module.
According to the attached description, the circuit includes overcurrent protection, thermal protection, and noise suppression.
Ideal for
Built-in to smaller audio devices.
Powered speaker projects with DC power.
Hobby electronics and prototyping simple stereo audio systems.
Computer or multimedia audio applications with external passive speakers.
Package contents
1x XH-M145 audio amplifier module
1x potentiometer control knob
1x washer
1x fixing nut
Why choose this product?
Clearly designated model XH-M145 with the mentioned YD138-E amplifier circuit.
Stereo amplifier in a compact format suitable for integration into smaller devices.
Low DC voltage power supply for use in common DC applications.
Direct terminal connection of power supply and speakers makes wiring easy.
Volume control is part of the module and does not require a separate control element.
Installation and operating instructions
Observe the polarity of the power connection on the +12V and GND terminals.
Connect the speakers to the outputs marked for the left and right channels.
Install the module in an area with sufficient heat dissipation.
Feed the input audio signal through the input connector on the board.
Disconnect power before connecting or disconnecting wires.
Safety notice
Designed for low voltage DC power supply within the specified range.
Incorrect polarity connection or short circuit at the output may cause damage to the module.
Components may become hot during operation, so do not cover the module or install it on a flammable surface without suitable separation.
Only perform assembly and connection when the power supply is disconnected.
The product is an electronic module intended for installation, not a separately covered terminal device.
Recensioni
Ancora non ci sono recensioni.