7-12V TDA7440 Digital Audio Controller 4 Channel Stereo Input with ST7735 Display for DIY HiFi Car Home Audio System

7-12V TDA7440 Digital Audio Controller 4 Channel Stereo Input with ST7735 Display for DIY HiFi Car Home Audio System Beskrivelse

Key Features:

Digital Volume Control - 0-100 levels, no carbon film wear, no noise
Bass/Treble Adjustment - 14 dB, 2 dB per step
Left/Right Balance - Independent channel attenuation
4-Channel Source Switching - With fade-in/fade-out transitions to prevent sudden volume spikes
Power-Off Parameter Retention - Automatically saved and restored upon power-
ST7735 Color Display - Real- status at a glance
-platform Compatibility - Supports (AVR) and ESP32
Product Specifications:
Power Input: 7-12V
Audio Input: 4-channel stereo (RCA / 3.5mm)
Audio Output: 1-channel stereo
Volume Range: -55dB to +30dB
Tone Range: 14dB
Channel Separation: > 90dB
THD+N: < 0.01%
Power Consumption: < 2W
Control Protocol: I2C (Address 0x44)
Display: 1.8-inch ST7735 SPI LCD
Power-Off Memory: All parameters (volume, bass, treble, balance, current audio source) are automatically saved after power-off. The device automatically restores the previous settings upon the next power-.
Color: Black
Material: Plastic+Metal

Package Contents:
1*Digital Audio Controller