DC 5V/3.7V Tws Stereo Bluetooth Power Amplifier Board Quality Dual Channel 2x10W Audio Sound Module Car speakers

DC 5V/3.7V Tws Stereo Bluetooth Power Amplifier Board Quality Dual Channel 2x10W Audio Sound Module Car speakers

TDA7440
$69.68
Sale price  $69.68 Regular price  $0.00
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DC 5V/3.7V Tws Stereo Bluetooth Power Amplifier Board Quality Dual Channel 2x10W Audio Sound Module Car speakers
DC 5V/3.7V Tws Stereo Bluetooth Power Amplifier Board Quality Dual Channel 2x10W Audio Sound Module Car speakers
$69.68
Sale price  $69.68 Regular price  $0.00
ColorTDA7440
Description

SPECIFICATIONS

Application: Speaker

Bluetooth amplifier module: Audio module

Brand Name: NONE

Choice: yes

Condition: New

Dissipation Power: /

High-concerned chemical: none

Operating Temperature: 0-50C

Origin: Mainland China

Package: TQFP

Quantity: 1

Supply Voltage: DC 7-12V

Type: Module

dropshipper: support

is_customized: Yes

wholesale: support

Product Features:

1. Supports dual power supply of 3.7V battery and DC5V, flexible adaptation to various scenarios

2. Bluetooth 5.1 wireless connection, stable transmission of stereo audio signals

3. The output power reaches 2 * 10W, and the sound effect is better when paired with a 4 Ω speaker

4. Built in EQ adjustment and DRC compression, supporting computer tuning and saving

5. Integrated charging management and protection functions, safe and reliable against overheating and overcurrent


Product Parameters:

Chip type: Stereo

Number of channels: 2 channels

Audio input: wireless Bluetooth/wired sound card

Compatible power supply: 3.7V battery/DC5V (note: voltage should not exceed 5V)

Bluetooth version: 5.1

Bluetooth Name: LF02

Output power: 2 * 10W

Output impedance: 4 Ω

Protection mechanism: over temperature and over current

Motherboard size: 39mm * 46mm


Product List:

1x module

2x speaker cables


Instructions:

Be sure to use batteries with a 3.7V overcurrent rating of 5A or higher and a protective board. Otherwise, the maximum volume battery will protect it. The volume cannot exceed 50% when using 5V3A power supply without battery and wired power supply, otherwise it will restart. It is compatible with 4Q speakers (2Q speakers cannot be used)

The signal-to-noise ratio of the amplifier is 67, which means that when the volume is very low, white noise can be heard at a distance of about ten centimeters from the speaker. Remember not to shoot if you mind.

The tuning software does not support Win7 and below systems, supports 30 5V RGB expansion, hides volume adjustment pads, can charge batteries, and is powered by a single power battery; Support computer tuning to save EQ, 10 segment EQ gain with DRC dynamic compression.

Free Shipping Over $199
  • Standard Shipping: Standard Shipping (12–18 Business Days)
  • Express Shipping: Expedited Shipping (5–9 Business Days)
  • Free Shipping: Orders over $199 qualify automatically
  • Tracking: Full tracking number provided for all orders
30-Day Return Policy
  • Returns: 30-day hassle-free return window
  • Condition: Items must be unused and in original packaging
  • Refund: Full refund processed within 3-5 business days
Why Choose Us?
  • Factory Direct: ISO/TS 16949 certified manufacturer
  • Quality: 100% electrical continuity tested before shipment
  • Experience: 15+ years in automotive connector industry
  • Support: Professional technical support available
Secure Payment Latest encryption technology
Money-Back Guarantee 30-day hassle-free returns
Quality Assured Factory certified products
Global Fast Shipping Worldwide express delivery

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