Amplifier 2.1 Digital
Overview
Product sourcing insights & recommendations
The 2.1 digital amplifier market in 2026 is seeing a significant shift toward high-efficiency Class D technology and modular desktop "audio hubs." Key trends include the dominance of chips like the TPA3255 for high-power applications and the increasing integration of DSP (Digital Signal Processing) for app-based sound tuning. Consumers are moving away from fixed speaker sets toward dedicated 2.1 amplifiers that act as connectivity centers for TVs, PCs, and gaming setups.
The comprehensive report below details the market growth projections (CAGR of 6.1%–11.6%), technical specifications across product tiers, and critical consumer feedback regarding power supply requirements and connectivity features.
Based on the 2026 market trends, I can help you with these next steps:
2.1 Channel Audio Amplifier Board 100w+100w+200w Subwoofer Output
Products · 2 lists
D2000C Professional High Power Home Audio Amplifier Board with 2.1-Channel TWS Subwoofer 100W+100W+200W Output Aluminum Alloy
Zhongshan Shengzhimei Electronic Technology Co., Ltd.verified🇨🇳CN2 yrs
ST21PRO TPA3221 BT 5.2 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass Note Tuning AMP
Shenzhen Shengdingtong Technology Co., Ltd.verified🇨🇳CN1 yr
ST21PRO TPA3221 BT 5.2 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass Note Tuning AMP
ST21PRO TPA3221 BT 5.2 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass Note Tuning AMP
Shenzhen Youxin Electronic Technology Co., Ltd.🇨🇳CN4 yrs
ST21PRO TPA3221 BT 5.2 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass Note Tuning AMP
Shenzhen Xinliwei Electronics Technology Co., Ltd🇨🇳CN6 yrs
ST21PRO TPA3221 BT 5.2 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass Note Tuning AMP
Shenzhen Pinkuo Trading Co., Ltd.🇨🇳CN2 yrsST21PRO TPA3221 BT 5.2 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass Note Tuning AMP
Shenzhen Yuke Chip Electronics Co., Ltd.verified🇨🇳CN1 yr
DC12-30V BT5.2 Power Amplifier Board 2.1 Channel 100W+100W Left Right Channels 200W Subwoofer Dual TPA3221 Chip
Shenzhen Kwm Electronics Co., Ltd.verified🇨🇳CN6 yrs
TPA3221 Digital Amplifier Board, 2.1 Channel 100W+100W+200W Subwoofer
Shenzhen Sharphy Electronic Co., Ltd.🇨🇳CN11 yrsST21PRO TPA3221 BT 5.2 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass Note Tuning AMP
Shenzhen Wilsom Electronic Co., Ltd🇨🇳CN1 yr
ST21PRO TPA3221 BT 5.2 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass Note Tuning AMP
ST21PRO TPA3221 BT 5.2 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W TREBLE Bass Note Tuning AMP
Shunyi Trading (Shenzhen) Co., Ltd🇨🇳CN1 yr
APTX1 Qualcomm BT Digital Power Amplifier 2.1 Channel 100Wx2+200W Subwoofer QCC3034+TPA3221 Module with Treble and Bass Control
Shenzhen Lengtion Electronics Co., Ltd.🇨🇳CN13 yrs
ZK-ST21 digital power amplifier board 2.1 sound channel 100W+100W+200W subwoofer chip TPA3221
Shenzhen Jiaxinjie Technology Co., Ltd.🇨🇳CN9 yrs
ZK-APTX1 Qualcomm digital power amplifier board 2.1 sound channel 100Wx2+200W subwoofer
Shenzhen Xiongfa Weiye Electronics Co., Ltd.🇨🇳CN13 yrs
ZK-ST21 100W*2+200W TPA3221 BT Power Amplifier Board Exterior Cable Subwoofer 2.1 Channel 12V-30V Audio Power Amplifier Module
Shenzhen Youdianduo Technology Co., Ltd.🇨🇳CN4 yrs
DC12-30V BT5.2 Power Amplifier Board 2.1 Channel 100W+100W Left Right Channels 200W Subwoofer Dual TPA3221 Chip
Beijing Mengxing Electronic Technology Co., Ltd.verified🇨🇳CN7 yrs
TPA3221 Blue Tooth 5.0 Digital Amplifier Board 2.1 Channel 100W*2 + 200W Class D HiFi Audiophile
Shenzhen Ruiqi Electronic Co., Ltd.🇨🇳CN8 yrs
D2000 High Power Home Amplifier Board 100W+100W+200W TWS 2.1-Channel for 5.1 Super Subwoofer Aluminum Alloy FM
Henan Astra Industrial Co., Ltdverified🇨🇳CN6 yrs
ZK-ST21 Chip TPA3221 Digital Amplifier Board 2.1 Channel 100W+100W+200W Large Current Surface Mount Electronic Modules Kits
Shenzhen Lingze Xincheng Technology Co., Ltd.🇨🇳CN1 yr
WUZHI AUDIO ST21 BT Digital Speaker Amplifier Module Board 2.1 Channel 100W+100W+200W Subwoofer TPA3221 Sound Module
Qingdao Wuzhi Intelligent Technology Co., Ltd.🇨🇳CN3 yrs
Audio Amplifier Board 2.1 Channel 240W High Power Subwoofer Amplifier Board AMP Dual AC18-24V Home Theater
Shenzhen Kaisheng Century Electronics Co., Ltd.verified🇨🇳CN3 yrs
YS-MT21 2.1-Channel BT Digital Amplifier Board 50W*2+100W Subwoofer Output Hi-Fi Amp Module Independent Tone Adjust BT AUX Input
DC12V-24V 2*50W+100W XH-M139 TPA3116 TPA3116D2 2.1 Channel Digital Subwoofer Audio Amplifier Module Board
Shenzhen Dongjiang Chuangfu Technology Co., Ltd.🇨🇳CN1 yr
DC12V-24V 2*50W+100W XH-M139 TPA3116 TPA3116D2 2.1 Channel Digital Subwoofer Audio Amplifier Module Board
Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
Power Amplifier Board with Subwoofer 2.1 Channel 200W Audio Power Amplifier Module with Treble and Bass Control
ZK-MT21 5.0 2.1 Channel Amplifier Board 50W+50W+100W Stereo Audio Power AMP Subwoofer Bass AUX Input Module
Shenzhen Futian District Dongheng Xingsheng E -Commerce Firm (individual Business)🇨🇳CN2 yrs
New Audio Amplifier Board 2.1 Channel 240W High Power Subwoofer Dual AC18-24V Home Theater 180-Day Warranty 3-Day Shipping
Shenzhen Tianhehuijin Technology Ltd.🇨🇳CN8 yrs
PACKBOX 110-220 200W100W HeavySubwoofer Digital Power Amplifier Board Active Power Amplifier Board Hifi Pure Bass1CH 4ohm 8ohm
Shenzhen Muting Industrial Co., Ltd.🇨🇳CN5 yrsPACKBOX 110-220 200W100W HeavySubwoofer Digital Power Amplifier Board Active Power Amplifier Board Hifi Pure Bass1CH 4ohm 8ohm
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Sources & References
24 sources cited · Verified industry data & reports
Global Class D Audio Amplifier Market Report 2026-2034 ...
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Power amplifier market size was valued at $40.8B in 2025 and is projected to grow from $46.9B in 2026 to $101.3B by 2033, at a CAGR of 11.6% Estimate,
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OohYeah
The audio amplifier market in 2026 stands at an inflection point. Consumer demand remains robust—amplifiers rank consistently among the top 100 ...
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The global amplifier market is valued at approximately $44.08 billion in 2026, projected to grow at a CAGR of 4.76% through 2035 Precedenceresearch