Fosi Audio BT30D Pro TPA3255 Hi-Fi Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel Mini Class D Integrated Amp 165 Watt x2+350 Watt for Home Outdoor Desktop Bookshelf Speakers/Subwoofers

Price: ₹12,999 - ₹9,499.00
(as of Nov 16, 2025 02:17:31 UTC – Details)

Product Description

Fosi Audio BT30D PRO 2.1 CH Bluetooth Power Amplifier

Compact yet Powerful

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Redefining HiFi with Unmatched Value

This 2.1CH mini Bluetooth amp is praised by customers for its appearance, value, and sound quality. They note its impressive presentation, ability to drive speakers and add depth to the soundscape. It can power two speakers and a subwoofer, making home audio setup easy.

THD: ≤ 0.03%; SNR: ≥ 108dB; Frequency Range: 20Hz – 20kHz (±1 dB)MAX Power Output: 165W×2+350WInput: Bluetooth + RCA; Input Sensitivity: ≤ 600mVOutput: Passive/Active Speakers+ Passive/Active Subwoofer

One Device for All Needs

Reliable power amplifier suited for high impedance speakers and subwoofer

Stable Connectivity

You will have crystal clear audio even over Bluetooth and the range is easily more than 15m.

Ideal for Your Subwoofer

Incredibly powerful bass that stirs up thousands of waves.

Max Output Power 165W×2+350W

Two advanced chips ensure pure and powerful sound with great clarify and separation.

1 2.1 Channel

2 Bluetooth 5.0

3 Bass Beast

4 TPA3255 Chips

All-Aluminum Alloy Chassis

All-Aluminum Alloy Chassis

1 Front Panel

2 Rear Panel

3 Physically Well Made

4 Power Rating

1 Computer Desktop

2 Home Theater

3 Outdoor Courtyard

Comparison

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

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Customer Reviews

4.2 out of 5 stars 1,399

4.4 out of 5 stars 2,215

4.4 out of 5 stars 2,718

4.5 out of 5 stars 8,842

4.4 out of 5 stars 417

4.3 out of 5 stars 1,042

4.3 out of 5 stars 232

Price

₹9,499.00₹9,499.00

₹8,799.00₹8,799.00

₹8,799.00₹8,799.00

₹7,399.00₹7,399.00

₹10,999.00₹10,999.00

₹8,249.00₹8,249.00

₹12,899.00₹12,899.00

Type

Bluetooth 2.1 CH Amp

Bluetooth 2.0 CH Amp

Bluetooth 2.1 CH Amp

Bluetooth 2.0 CH Amp

Bluetooth 2.0 CH Amp

2.0 CH Amp

Mono Amplifier

MAX Power Output

165W×2+350W

300W x 2

50W x 2+100W

100W x 2

100W x 2

300W x 2

300W

Input

Bluetooth + RCA

Bluetooth + RCA

—

Bluetooth + RCA

Bluetooth + RCA

RCA

RCA + XLR + ¼” TRS

Output

Passive/Active SPK/Subwoofer

Passive/Active SPK+/Sub/Amp

Passive SPK Act/Passive Sub

Passive Speakers

Passive Speakers

Passive Speakers+Pre-Out

Passive Speaker

Treble & Bass Control

✔

✔

✔

✔

✔

x

x

THD

≤ 0.03%

≤ 0.05%

≤ 0.04%

≤ 0.04%

≤0.03%

<0.003%

<0.006%

SNR

≥ 108dB

≥ 108dB

≥ 98dB

≥ 98dB

≥100dB

≥110dB

≥123dB

Terminating Impedance

2-8 Ohm

2-8 Ohm

2-8 Ohm

2-8 Ohm

4-8 Ohm

2-8 Ohm

2-8 Ohm

Power Adapter

32V/5A

32V/5A

24V/4.5A

24V/4.5A

24V/4.5A

32V/5A

48V/5A

AC 110V – 240V

AC 110V – 240V

AC 110V – 240V

AC 110V – 240V

AC 110V – 240V

AC 110V – 240V

AC 110V – 240V

AC 110V – 240V

Frequently asked questions by customers

Q: How to solve the problem of unstable Bluetooth connection?

A: 1. Make sure your device supports connection with BT30D PRO 2. Make sure the distance between your device and BT30D PRO does not exceed 10m (33 feet)

Q:How to improve the sound quality?

A:1.Choose the appropriate volume and sound effects according to the usage scenario.2.Use high-quality audio sources3.Reduce ambient noise

Q:Is it normal for the product to heat up?

A: It is normal for the power amplifier to generate heat when working. As long as the heat is within a reasonable range, it will not affect the normal use of the product. If the device temperature is too high, it is recommended to check whether it is overloaded or running for a long time.

Q:How to solve the problem of insufficient power of the product?

A: Power supply upgrade: Although the chip supports 165W x 2 + 350W power output, if you need more power, it is recommended to use a higher specification power supply, such as: 36V 10A power supply, to provide sufficient power.

2.1 Channel Amplifier:The BT30D PRO integrated amplifier features two sets of passive speaker outputs and one set of passive subwoofer outputs, making it easy to set up a 2.1 home theater or other stereo HiFi audio systems. (The BT30D PRO is an upgraded version, supporting up to 48V power supply for maximum power output,This model is equipped with a 32V 5A power supply.）
High Power with Exceptional Sound Quality:Equipped with two high-end Texas Instruments TPA3255 Class-D amplifier chips, the amplifier home audio delivers clear and pure sound without distortion or clipping, stably outputting up to 165W x 2 + 350W of power.
Bass Beast:Whether you’re a gamer, movie buff, or music lover, the subwoofer amplifier provides tight, smooth, and natural – sounding bass. It features two dedicated knobs for subwoofer control: the SUB FREQ knob allows precise frequency adjustment of passive subwoofers from 0 to 300 Hz, while the SUB VOL knob lets you set the desired volume level. This gives you full control over the bass output to suit your personal preferences and listening environment.
Bluetooth 5.0 Connectivity:This Bluetooth amplifier, which automatically reconnects to the previously paired device when turned on. It maintains a stable connection and delivers clear audio over a range of up to 15 meters. This makes it perfect for enjoying your favorite tunes or audio content in outdoor areas such as your yard, terrace, or poolside, without worrying about signal drop – outs or interruptions.
Exquisite Craftsmanship:This mini amplifier is meticulously crafted with a solid, all – metal body that ensures durability and longevity. The well – designed case, along with the high – quality controls and connectors, exudes a sense of premium build and attention to detail. The exquisite packaging further adds to the overall appeal and value of the bass amp.