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2.1 Channel Subwoofer Amplifier Board with 100W Bass Output and Bluetooth 5.0 TPA3116D2 Audio Stereo Equalizer

Name: 2.1 Channel Subwoofer Amplifier Board with 100W Bass Output and Bluetooth 5.0 TPA3116D2 Audio Stereo Equalizer
Brand: Shenzhen Creatall Electronics Co., Ltd.
SKU: CA-3169B
Price: 425.20 USD
Availability: InStock

Brand Name:	creatall
Model Number:	CA-3169B
MOQ:	10pcs
Price:	NA
Delivery Time:	5-8 working days
Payment Terms:	T/T, AliPay, PayPal

Detail Information

Product Description

Ratings & Reviews

Detail Information

Place of Origin:

China

Certification:

CE, ISO9001

Type:

HIFI Power Subwoofer Amplifier Board

Product Size:

100*75*30mm

Power Input:

DC 12-24V

Bluetooth Receiving Distance:

> 8 M

Audio Input Sensitivity:

600-800mV

Frequency Response Range::

20Hz-20KHz

Left And Right Channel Speakers:

4-8 Ohm

Subwoofer Speaker Impedance::

2-8 Ohm

Packaging Details:

Carton box

Supply Ability:

1000 pcs/day

Highlight:

2.1 Channel Subwoofer Amplifier Board

TPA3116D2 amplifier board supplier

amplifier board manufacturer

Product Description

CA-3169B 2.1 Channel Subwoofer Amplifier Board TPA3116D2 Audio Stereo Equalizer Amp 5.0 HIFI Power

Available Versions

Without Bluetooth version
With Bluetooth version
Upgraded version - with Bluetooth version + USB input

Key Features

DC-powered 12-24V power supply using TI's TPA3116D2 high-performance digital power amplifier chip
Supports 100W (bass channel) + 50W (left channel) + 50W (right channel) three-channel output
Bluetooth version supports Bluetooth 5.0 audio reception with external audio input interface
Includes preamplifier, bass crossover processing with multiple adjustment controls
Wide working voltage with energy-saving design (efficiency up to 90%)
Compatible with switching power supplies, laptop power supplies, car power supplies, etc.
Pre-soldered and tested finished board, ready for installation
Subwoofer cut-off frequency: 26-160Hz

Technical Specifications

Parameter	Specification
Dimensions (L × W × H)	101 × 100 × 25mm (excluding potentiometer and socket projection)
Operating Voltage Range	DC 12-25V
Recommended Power Supply	DC24V 4A
Current Requirements	3-4A (12-18V) or 4-5A (19-24V)
Bluetooth Receiving Distance	> 8 meters
Audio Input Sensitivity	600-800mV
Frequency Response Range	20Hz-20KHz
Speaker Impedance (L/R Channels)	4-8 ohm
Speaker Impedance (Subwoofer)	2-8 ohm

Note: Output power depends on supply voltage/current, speaker impedance, and audio input level. Higher power supply voltage typically enables greater output power. Lower speaker impedance generally allows for easier power achievement.

Function Switch Instructions (Bluetooth Version Only)

Plug in power - defaults to Bluetooth mode
Bluetooth disconnected - long press switch to switch to audio input mode
Bluetooth play status - short press switch to pause/play

Ratings & Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

Mathieu Laurent

Belgium Apr 1.2026

Helpful (123)

Fantastique amplificateur numérique! Performance stable et excellente qualité sonore. Convient aux projets DIY d'enceintes, bon rapport qualité prix.

Emma Wilson

Canada Mar 3.2026

Helpful (265)

Great DAC module for car & home audio. Lossless transmission, stable multi-channel output. Fast shipping, very satisfied.

Oscar Nilsson

Sweden Feb 10.2026

Helpful (2314)

in liten Bluetooth-förstärkare! Stabil Bluetooth 5.0-anslutning, ren 3W-ljudutgång. Fungerar bra med 5V-ström, kompakt och praktisk.

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