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Overview

DC 7-12V TDA7440 Digital Audio Controller 4 Channel Stereo Input With ST7735 Display For DIY HiFi Car Home Audio System

DC 7-12V TDA7440 Digital Audio Controller 4 Channel Stereo Input With ST7735 Display For DIY HiFi Car Home Audio System

Model: 5023968001587
Web Code: 20144556
Sold and shipped by | 2.9 seller rating (8 reviews)

Sale ends: *

Available for deliveryAvailable online only

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Warranty Information

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

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-up

ST7735 Color Display - Real-time status at a glance

Cross-platform Compatibility - Supports NANO (AVR) and ESP32

Product Specifications:

Power Input: DC 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-up.

Color: Black

Material: Plastic+Metal

Package Contents:

1*Digital Audio Controller

Only the above package content, other products are not included.

Note: Light reflection 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.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

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  • No restrictions in Canada
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Product Category
Smart home products
Return/Exchange Period
30 days
Condition
Opened

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