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D300 Amplifier

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The term 'D300 amplifier' identifies four distinct market segments: the SMSL D300 (a high-performance balanced DAC using a rare ROHM chip), the Loxjie D30 (a budget-friendly desktop DAC/Amp), the Audio Research D300 (a high-end vintage power amp), and a range of wholesale 300W DIY boards used in car and portable audio. The market is currently driven by a shift toward Class D efficiency and the integration of high-resolution wireless features, with the overall audio amplifier sector projected to grow significantly through 2026. The attached report provides technical specifications, sentiment analysis, and sourcing data for each of these categories.

I have compiled the comprehensive analysis for the 'D300 amplifier'. You can proceed with:

D300 Audio Amplifier Board 300w

Products · 3 lists

D300 for MP3 Module 300W DC12V/24V Amplifier Board USB TF Card FM Radio Echo Treble Microphone Portable Audio Video LED

D300 for MP3 Module 300W DC12V/24V Amplifier Board USB TF Card FM Radio Echo Treble Microphone Portable Audio Video LED

$85.0(840)
MOQ: 100 pieces
D300 model300W power8% reorder rate≤3h response time
Shenzhen Junjiang Communication Technology Co., Ltd.Shenzhen Junjiang Communication Technology Co., Ltd.verified🇨🇳CN2 yrs
D300 300W Car Power Amp Board With BT Home Audio K Song Outdoor Subwoofer Powered Amplifier

D300 300W Car Power Amp Board With BT Home Audio K Song Outdoor Subwoofer Powered Amplifier

$8.80-12.804.2(848)
MOQ: 50 pieces
D300 model300W power≤3h response time
Hongkong Yangfan Qihang Co., LimitedHongkong Yangfan Qihang Co., Limited🇭🇰HK1 yr
300W BT 5.0 Audio Amplifier Board D300 Dual Microphone Subwoofer Amplifier Module DC12V 24V 1CH HIFI Stereo Power AMP

300W BT 5.0 Audio Amplifier Board D300 Dual Microphone Subwoofer Amplifier Module DC12V 24V 1CH HIFI Stereo Power AMP

$11-144.9(308)
MOQ: 5 pieces
D300 model300W power16% reorder rate≤2h response time
Shenzhen Beast & Lion Technology Co., Ltd.Shenzhen Beast & Lion Technology Co., Ltd.🇨🇳CN1 yr
High Power 300W Car BT Power Amplifier Board D300 Home Audio K Song Outdoor Subwoofer Power Amplifier Board

High Power 300W Car BT Power Amplifier Board D300 Home Audio K Song Outdoor Subwoofer Power Amplifier Board

$10.504.8(635)
MOQ: 50 pieces
D300 model300W power1600+ store reviews16% reorder rate≤4h response time
Henan Astra Industrial Co., LtdHenan Astra Industrial Co., Ltdverified🇨🇳CN6 yrs
300W BT 5.0 Audio Amplifier Board D300 Dual Microphone Subwoofer Amplifier Module DC12V 24V 1CH HIFI Stereo Power AMP

300W BT 5.0 Audio Amplifier Board D300 Dual Microphone Subwoofer Amplifier Module DC12V 24V 1CH HIFI Stereo Power AMP

$11-144.9(541)
MOQ: 5 pieces
D300 model300W power100+ store reviews14% reorder rate≤2h response time
Shenzhen XMS Technology Co., Ltd.Shenzhen XMS Technology Co., Ltd.🇨🇳CN8 yrs
High Power 300W Car BT Power Amplifier Board D300 Home Audio K Song Outdoor Subwoofer Power Amplifier Board

High Power 300W Car BT Power Amplifier Board D300 Home Audio K Song Outdoor Subwoofer Power Amplifier Board

$10-154.8(316)
MOQ: 10 pieces
D300 model300W power500+ store reviews18% reorder rate≤7h response time
Shenzhen Chuangyida Electronics Co., LimitedShenzhen Chuangyida Electronics Co., Limited🇨🇳CN6 yrs
High Power 300W Car BT Power Amplifier Board D300 Home Audio K Song Outdoor Subwoofer Power Amplifier Board

High Power 300W Car BT Power Amplifier Board D300 Home Audio K Song Outdoor Subwoofer Power Amplifier Board

$18-214.7(511)
MOQ: 10 pieces
D300 model300W power800+ store reviews7% reorder rate≤6h response time
Shenzhen Ruised Technology Co., Ltd.Shenzhen Ruised Technology Co., Ltd.🇨🇳CN9 yrs
D300BT Car Power Amplifier Board Home Audio K Song Outdoor Subwoofer Module Receivers & Amplifiers

D300BT Car Power Amplifier Board Home Audio K Song Outdoor Subwoofer Module Receivers & Amplifiers

$9.07-9.715.0(721)
MOQ: 1 piece
D300 model300W power
Zhongshan Shengzhimei Electronic Technology Co., Ltd.Zhongshan Shengzhimei Electronic Technology Co., Ltd.verified🇨🇳CN2 yrs
D300W Amplifier Audio Board 110V 220V 12V 24V Digital AMP Support Dual Microphone WIth BT Trolley Amplifier Board

D300W Amplifier Audio Board 110V 220V 12V 24V Digital AMP Support Dual Microphone WIth BT Trolley Amplifier Board

$9.504.8(63)
MOQ: 100 pieces
D300 model300W power200+ store reviews40% reorder rate≤2h response time
Chengdu Weierpai Electronics Co., Ltd.Chengdu Weierpai Electronics Co., Ltd.🇨🇳CN4 yrs
VIRE TPA3255 300W+300W Class D Digital Amplifier Board Dual Channel High Power Amplifier Module Stereo AMP DC 24-54V

VIRE TPA3255 300W+300W Class D Digital Amplifier Board Dual Channel High Power Amplifier Module Stereo AMP DC 24-54V

$184.6(156)
MOQ: 2 sets
D300 model300W power300+ store reviews9% reorder rate100+ views from America≤3h response time
Shenzhen Vire Silicon & Technology Co., Ltd.Shenzhen Vire Silicon & Technology Co., Ltd.verified🇨🇳CN16 yrs
TPA3255 Amplifier Board 300Wx2 Class D Digital Amplifier Audio HIFI Stereo Power Sound Amplifier DC48V Home Theater

TPA3255 Amplifier Board 300Wx2 Class D Digital Amplifier Audio HIFI Stereo Power Sound Amplifier DC48V Home Theater

$2-34.9(875)
MOQ: 1 piece
D300 model300W power400+ store reviews19% reorder rate≤10h response time
Shenzhen Binyueda Electronics Co., Ltd.Shenzhen Binyueda Electronics Co., Ltd.🇨🇳CN6 yrs
Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board TPA3255

Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board TPA3255

$20-254.6(901)
MOQ: 1 piece
D300 model300W power66% reorder rate≤3h response time
Shenzhen Kedun Technology Co., Ltd.Shenzhen Kedun Technology Co., Ltd.🇨🇳CN3 yrs
Hot Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board TPA3255

Hot Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board TPA3255

$14.85-24.754.8(781)
MOQ: 5 pieces
D300 model300W power50+ store reviews12% reorder rate≤2h response time
Shenzhen Pinkuo Trading Co., Ltd.Shenzhen Pinkuo Trading Co., Ltd.🇨🇳CN2 yrs
Hot Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board TPA3255

Hot Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board TPA3255

$24.504.6(676)
MOQ: 1 piece
D300 model300W power10% reorder rate≤1h response time
Shenzhen Nordson Electronics Co., Ltd.Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board....

2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board....

$61.384.5(220)
MOQ: 1 piece
D300 model300W power≤6h response time
Shenzhen Jianuoxin Technology Co., Ltd.Shenzhen Jianuoxin Technology Co., Ltd.🇨🇳CN2 yrs
Hot Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D O Digital Amplifier Board TPA3255

Hot Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D O Digital Amplifier Board TPA3255

$17.104.3(153)
MOQ: 5 pieces
D300 model300W power300+ store reviews12% reorder rate≤4h response time
Shenzhen Huake Shengye Technology Co., Ltd.Shenzhen Huake Shengye Technology Co., Ltd.verified🇨🇳CN2 yrs
2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board....

2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board....

$61.384.7(245)
MOQ: 1 piece
D300 model300W power12% reorder rate≤3h response time
Shenzhen Shengdingtong Technology Co., Ltd.Shenzhen Shengdingtong Technology Co., Ltd.verified🇨🇳CN1 yr
Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board

Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board

$23.104.7(158)
MOQ: 2 pieces
D300 model300W power2900+ store reviews11% reorder rate≤3h response time
Shenzhen Si Hai Xin Zhou Technology Co., Ltd.Shenzhen Si Hai Xin Zhou Technology Co., Ltd.🇨🇳CN8 yrs
JQJ TPA3255 DC50V 300W + 300W Class D Audio Digital Amplifier Board From Guangdong

JQJ TPA3255 DC50V 300W + 300W Class D Audio Digital Amplifier Board From Guangdong

$9.99-19.995.0(876)
MOQ: 1 piece
D300 model300W power20% reorder rate≤1h response time
Shenzhen Jinquanjiu Electronics Co., Ltd.Shenzhen Jinquanjiu Electronics Co., Ltd.🇨🇳CN1 yr
Hot Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board TPA3255

Hot Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D o Digital Amplifier Board TPA3255

$9.90-16.944.9(738)
MOQ: 10 pieces
D300 model300W power200+ store reviews28% reorder rate≤2h response time
Shenzhen Kaisheng Century Electronics Co., Ltd.Shenzhen Kaisheng Century Electronics Co., Ltd.verified🇨🇳CN3 yrs
KYYSLB TPA3255 High-power Class D Digital Amplifier Board 300W*2 Home Audio Amplificador Music Sound Speaker Amplifier Board

KYYSLB TPA3255 High-power Class D Digital Amplifier Board 300W*2 Home Audio Amplificador Music Sound Speaker Amplifier Board

$42.884.6(216)
MOQ: 1 piece
D300 model300W power500+ store reviews16% reorder rate≤3h response time
Qianjing Audio Equipment (guangzhou) Co., Ltd.Qianjing Audio Equipment (guangzhou) Co., Ltd.🇨🇳CN5 yrs
TPA3255 Amplifier Board 300W*2 Class D Digital Amplifier Audio HIFI Stereo Power Sound Amplifier DC48V Home Theater Amp

TPA3255 Amplifier Board 300W*2 Class D Digital Amplifier Audio HIFI Stereo Power Sound Amplifier DC48V Home Theater Amp

$29.80-30.904.7(965)
MOQ: 2 pieces
D300 model300W power1800+ store reviews14% reorder rate≤8h response time
Shenzhen Ruize Technology Co., Ltd.Shenzhen Ruize Technology Co., Ltd.verified🇨🇳CN8 yrs
300W High Power Class D Amplifier Module - Mono Audio Board DC 8-24V Input, 4-8 Ohm Load For Car Audio/Home Theater (30W-300W

300W High Power Class D Amplifier Module - Mono Audio Board DC 8-24V Input, 4-8 Ohm Load For Car Audio/Home Theater (30W-300W

$0.10-54.9(195)
MOQ: 1 piece
D300 model300W power
Shenzhen Huixin Tengda Trading Co., Ltd.Shenzhen Huixin Tengda Trading Co., Ltd.🇨🇳CN6 yrs
300W High Power Class D Amplifier Module - Mono Audio Board DC 8-24V Input, 4-8 Ohm Load for Car Audio/Home Theater (30W-300W

300W High Power Class D Amplifier Module - Mono Audio Board DC 8-24V Input, 4-8 Ohm Load for Car Audio/Home Theater (30W-300W

$3.90-4.594.8(658)
MOQ: 5 pieces
D300 model300W power300+ store reviews11% reorder rate≤6h response time
Beijing Mengxing Electronic Technology Co., Ltd.Beijing Mengxing Electronic Technology Co., Ltd.verified🇨🇳CN7 yrs
300W High Power Class D Amplifier Module - Mono Audio Board DC 8-24V Input, 4-8 Ohm Load for Car Audio/Home Theater (30W-300W

300W High Power Class D Amplifier Module - Mono Audio Board DC 8-24V Input, 4-8 Ohm Load for Car Audio/Home Theater (30W-300W

$3.90-4.594.8(513)
MOQ: 5 pieces
D300 model300W power
Shenzhen Kwm Electronics Co., Ltd.Shenzhen Kwm Electronics Co., Ltd.verified🇨🇳CN6 yrs
Class D TPA3255 MINI HIFI AUDIO Digital Amplifier Board 300W + 300W DC50V

Class D TPA3255 MINI HIFI AUDIO Digital Amplifier Board 300W + 300W DC50V

$28-324.9(716)
MOQ: 2 pieces
D300 model300W power≤2h response time
Shenzhen Chipwelldone Technology Co., Ltd.Shenzhen Chipwelldone Technology Co., Ltd.🇨🇳CN4 yrs
Customized Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D O Digital Amplifier Board

Customized Audio TPA3255 2.0 Digital Amplifier Board DC24-48v Strong High Power 300W + 300W Class D O Digital Amplifier Board

$18-224.9(658)
MOQ: 2 acres
D300 model300W power50+ store reviews7% reorder rate≤3h response time
Aielite Holdings CorporationAielite Holdings Corporationverified🇨🇳CN3 yrs
Custom 2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board

Custom 2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board

$61.994.9(162)
MOQ: 1 piece
D300 model300W power3% reorder rate≤3h response time
Shenzhen Chipsrsun Technology Co., Ltd.Shenzhen Chipsrsun Technology Co., Ltd.🇨🇳CN1 yr
Custom 2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board

Custom 2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board

$624.8(858)
MOQ: 1 piece
D300 model300W power500+ store reviews15% reorder rate≤7h response time
Shenzhen Lonten Technology Co., LimitedShenzhen Lonten Technology Co., Limited🇨🇳CN13 yrs
Custom 2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board

Custom 2.0 Digital Amplifier Board DC50V Strong High Power TPA3255 300W + 300W Class D Audio Digital Amplifier Board

$624.4(858)
MOQ: 1 piece
D300 model300W power
Shenzhen Lonten Technology Co., LimitedShenzhen Lonten Technology Co., Limitedverified🇨🇳CN4 yrs
•••

Deep Dive · Full Report

Full Market Report

1 document · Live-fetched from source

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Sources & References

23 sources cited · Verified industry data & reports

Audio Research D300 Power Amplifier Review

Audio Science Review (ASR) Forum

Quiet and low noise. Wide bandwidth. Lots of power and not bothered by supplying a ton of current into a reactive speaker load, and claimed ...

Review: S.M.S.L D300 Digital to Analogue Converter

Wall Of Sound Reviews

They are smooth but detailed, dependant on source material of course. It passes my Blue In Green test for high frequency detail. This is the ...

Heard or experienced Audio Research D300 SS Amp

Audiogon Discussion Forum

The sound is definitely not dry and lifeless. Slightly warm overall with a with a nice sense of natural body, depth, detail and tonal color.

Customer reviews of the Diamond Audio D300.2

Crutchfield

Diamond Audio D300.2. 2-channel car amplifier — 100 watts RMS x 2 · 5 out of 5 stars (1) review for Diamond Audio D300.2 · View this product ...

Audio Research D300 Power Amplifier Review : r/audiophile

Reddit · r/audiophile

These amps are designed to sound good so they utilize low amounts of negative feedback. They could have cranked up the feedback to make THD vanishing low.

Bluetooth5.0 Audio 300W Amplifier Board D300 Subwoofer ...

Walmart

Audio Control: Features adjustable treble and master volume for personalized sound, alongside dual microphone input with adjustable reverb.