Subwoofer Amplifier - AIYIMA B2D1728

Audio Amplifiers
$89.99 $43.99
Product description:
1. Using original TPA3116*2, NE5532
2. The power supply filter capacitor uses 10 470UF/25V electrolytic capacitors to ensure strong and continuous power support.
3. Coupling capacitors use German Weimar enthusiast capacitors, vocals are more attractive
4. The resistor uses 1% precision chip resistor to ensure a good signal-to-noise ratio of the whole machine.
5.PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and tin-spraying process to ensure good passing performance of large and small currents. First-class PCB quality.
6. Use the special function of discharge of red and gray ring to ensure the sound is crisp and powerful.
Basic parameters:
1. Working method: Class D
2. Quiescent current: 50mA
3. Work efficiency: 90%
4. Output power: 2*100W
5. Frequency response: 20Hz to 20KHz
6. Working voltage: DC18V to DC24V(without power supply)
7. Minimum output current: 3A
8. Machine size: 140*90*43mm
Package included:
1PCS Amplifier(without power supply)
Power Supply Adaptable Amplifier
5V DAC-A2            
19V-24V A01 A02 A03 TUBE-A5 A502T B3 A1001
24V-35V(32V) A3001            
AC110V/AC220V DAC-A3 DAC-A3P          


Model A1001 A3001 B3 B2D1783B B2D1728
Type 1.0Full-range/Sub Amp 1.1Full-range/Sub Amp Sub Amp 2.0CH Amp 2.0CH Amp
Bluetooth NO NO NO NO NO
Output power Max 100W 300W 100W 175W 100W
Bass&Treble control YES YES NO NO
Output Passive speaker,Passive Sub Passive speaker,Passive Sub,Active Sub Passive speaker Passive speaker Passive speaker
Input voltage DC19V-24V DC32V5A DC19V-24V DC32V5A DC19V-24V
Futures 1.100W
2.Support Sub/Full-range Switch
can connect active subwoofer, as 2.1 ,5.1 ,7.1 
1. 300w High power
2. Support Sub/Full-range Switch
3,with active sub output
4. can connect active subwoofer, as 1.1, 2.1 ,5.1 ,7.1 
100w Subwoofer
can connect active subwoofer  as 2.1,5.1, 7.1

1,TPA3251 amp chip,
2,Op amp NE5532
3. 2pcs UF3000 Large reservoir filter capacitor
High Power 175W*2
1,Dual TPA3116 amp chip
3,10个470UF/25V filter capacitor
Power adapter AC110V-240V AC110V-240V AC110V-240V AC110V-240V AC110V-240V


All items in store may take 2 to 5 business days to process.  Please add processing time to your shipping estimate below.

Here is an estimate of the shipping times.  Due to factors that often affect international shipments, such as holidays, customs, and weather delays, we can only offer an estimate of shipping times. 


Estimated Shipping Time

United States

10-30 business days

Canada, Europe

15-40 business days

Australia, New Zealand

15-45 business days

Mexico, Central America, South America

20-60 business days 

Middle East (UAE, Saudi Arabia)

20-40 business days


IMPORTANT: We are not responsible if a package is undeliverable because of missing, incomplete, or incorrect destination information. Please enter the correct shipping details when checking out. If you realize you have made an error, simply e-mail us at as soon as possible. However there is a 72-hour wait list for email, therefore, if your order has left our warehouse within 72 hours, it is out of our control.
Aiyima is not responsible for destination country tax and/or any duty charge that may incur. Customers will be held accountable for any restrictions, duties, taxes, and any other fees collected from the destination country.
Aiyima will not be responsible for any Duties, Taxes, or Customs fees under any circumstances.
If the order arrives in your country and...
• The customer refuses to accept the package
• The number of attempts is made in the country of destination to deliver the package.
Aiyima reserves the right to abandon the package(s) and will not be responsible for any refund.

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Subwoofer Amplifier - AIYIMA B2D1728
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