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2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply

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2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply

2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply
2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply
2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply 2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply 2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply 2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply

Large Image :  2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply

Product Details:
Place of Origin: GUANGDONG CHINA
Brand Name: Creatall
Model Number: CA-3169B
Payment & Shipping Terms:
Minimum Order Quantity: 10pcs
Price: negotiable
Delivery Time: 5-8 work days
Supply Ability: 10000 Piece/Pieces per Day
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2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply

Description
Model: CA-3166 Brand: Creatall
Output Power: 2*50W+100W Input Voltage: Dual DC Power Supply: DC12~24V
Left And Right Channel Speakers: 4~8ohm Frequency Response Range: 20Hz-20KHz
Subwoofer Speaker Impedance: 2-8 Ohm Audio Input Sensitivity: 600-800mV
Bluetooth Receiving Distance: > 8 M (meters)
Highlight:

Subwoofer Amplifier Audio Board

,

TPA3116 Amplifier Audio Board

CA-3169B Subwoofer Amplifier Audio Board 2.1 HiFi Amplificador USB Amp Bluetooth 5.0
Product Overview

Professional 2.1 channel subwoofer amplifier board featuring Bluetooth 5.0 connectivity, USB input, and high-performance TI TPA3116D2 digital power amplifier chips. Designed for superior audio performance in various applications.

Key Features
  • DC-powered operation (12-24V) with TI TPA3116D2 digital power amplifier chips
  • Three-channel output: 100W (bass) + 50W (left) + 50W (right)
  • Bluetooth 5.0 audio reception with external audio input interface
  • Built-in preamplifier with bass crossover processing
  • Multiple control potentiometers: bass volume, bass frequency, channel volume, treble, function switch
  • High efficiency design (up to 90%) with wide voltage compatibility
  • Pre-soldered and tested finished board ready for installation
Technical Specifications
Parameter Specification
Dimensions 101 × 100 × 25 mm (excluding potentiometer and socket projection)
Operating Voltage DC 12-25V (recommended DC24V 4A)
Maximum DC Voltage 25.5V (no-load)
Bluetooth Range > 8 meters
Audio Input Sensitivity 600-800mV
Frequency Response 20Hz-20KHz
Subwoofer Cut-off Frequency 26-160Hz
Speaker Impedance Left/Right: 4-8 ohm | Subwoofer: 2-8 ohm
Function Switch Instructions (Bluetooth Version)
  • Default mode: Bluetooth when power is connected
  • Bluetooth disconnected: Long press switch to switch to audio input mode
  • Bluetooth playing: Short press switch to pause/play
Package Includes: 1 × TPA3116 Power Amplifier Board
Troubleshooting & FAQs
Amplifier board has current sound and noise during use
Common causes: Poor power supply filtering, poor input signal quality, low-quality input cables, improper wiring connections, or shared power supply with other devices causing interference.
No sound output or no sound in one channel
Check: Speaker functionality, speaker cable connections, input cable quality and connections, proper output from connected input devices.
Volume broken and breaking sound when turned loud
Possible causes: Insufficient power input, poor speaker performance or damage, incorrect speaker power rating, or improper channel connections.
Speaker broken sound when subwoofer volume turned loud
Check: Power supply adequacy, speaker power rating compatibility, speaker bass performance quality, and speaker box structure.
Volume power not sufficient
Power output depends on: Power supply voltage, sound source signal amplitude, and speaker impedance. Any deficiency in these areas will affect performance.
Will the amplifier be damaged?
Risk factors: Reverse power supply polarity, excessive voltage beyond operating limits, direct AC transformer connection (requires DC conversion), incorrect wiring connections, or short circuits.
Note: Output power is related to supply voltage/current, speaker impedance, and audio input size. Higher voltage with sufficient current typically provides greater output power. Lower speaker impedance generally allows easier power achievement.
2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply 0
2.1 HiFi Amplifier Bluetooth 5.0 Audio Board with 2*50W+100W Output and DC12~24V Power Supply 1

Overall Rating

5.0
Based on 50 reviews for this product

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

W
William Brown
Australia May 10.2026
Helpful (189)
Fantastic 2.1 HiFi amplifier! The Bluetooth 5.0 connection is stable and the audio quality is superb. 2*50W+100W output provides powerful sound for my home theater. Easy setup with DC12~24V power supply. Excellent value, highly recommend!
Tag:

Power Amplifier Board,

Amplifier Circuit Board,

Dual Channel Amplifier Board

Contact Details
Shenzhen Creatall Electronics Co., Ltd.

Contact Person: Alva Cheng

Tel: +86-13827494627

Fax: 86-755-85270755

Send your inquiry directly to us (0 / 3000)

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