Subwoofer Amplifier - AIYIMA A3001

Audio Amplifiers
$90.99 $67.99



Maximum output power: 300W*1 4Ω load

Power amplifier chip: TPA3255D2

Tone chip: NE5532

DC chip: 2596

Full frequency frequency response: 20Hz-20kHz (±3dB)

Speaker matching impedance: 4-8Ω

Distortion: 0.03% when outputting 1W

Working voltage: DC24-35V

Signal to noise ratio: ≥106dB

Input sensitivity: 0.775V

Dimensions (L*W*H): 120*117.5*36MM (without protruding knob section)

Bass cutoff frequency adjustment range: 40-300Hz

Bass attenuation slope: -12dB Slope



Bass up frequency adjustment knob : knob is only available in bass mode

Volume knob : clockwise volume increases, counterclockwise volume decreases

Audio input interface : such as CD, DAC decoder, mobile phone, TV, etc., red to the right channel input, white to the left channel input

Low-pass output : connected to the active subwoofer, synchronized output with the amplifier

Speaker interface : red to positive, black to negative

Power interface : DC power supply must not exceed 35V

PBTL/SUB Switch:

When "PBTL/SUB" is switched to "SUB", SPK OUT connects to the passive subwoofer.

When "PBTL/SUB" is switched to "PBTL", SPK OUT connects to the full range speaker.

The SUBOUT is connected to active subwoofer.



Operation Steps:

1. Make sure the VOL knob is at its minimum.

2. Connect the speaker according to the back panel interface indication, pay attention to distinguish between positive and negative.

3. Connect the audio source you want to use.

4. Connect the power supply.

5. Select the desired working mode

6. Press the power button.

7. Turn the knob clockwise to select the desired volume level.

8. In the SUB mode, the bass cutoff frequency can be changed by adjusting the SUB FREQ knob.

Package include:
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 A3001
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