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Fosi Audio Bluetooth Sound Power Amplifier BT30D PRO 2.1 Channel Amp Audio Reciver for Speaker Subwoofer 165Wx2 +350W

Fosi Audio Bluetooth Sound Power Amplifier BT30D PRO 2.1 Channel Amp Audio Reciver for Speaker Subwoofer 165Wx2 +350W

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Specifications

Brand Name
Fosi Audio
High-concerned chemical
None
Maximum Power Per Channel
131-200W
Origin
Mainland China
Package
Yes
Channels
3 (2.1)
Certification
CE
Model Number
BT30D Pro
Input
Bluetooth/RCA
Output
Passive Speakers + Subwoofer
Max Output Power for Speakers
165W x2 + 350W
Type
Bluetooth 2.1 CH Amplifier
Digital AMP Chip
TPA3255*2
DC Input Range
DC 12-36V
THD
≤ 0.04%
SNR
≥108dB
Frequency Range
20Hz-20kHz(±1dB)
Input Sehsitivity
700mV
Terminating lmpedance
2-8Ω
Bluetooth Transmission Distance
Up to 50 Ft (Without obstacle)
feature
Treble & Bass amplifier, hifi amplifier

Product Description



Fosi Audio Bluetooth Sound Power Amplifier BT30D PRO 2.1 Channel Amp Audio Reciver for Speaker Subwoofer 165Wx2 +350W


Features:

  • Advanced 2.1CH Bluetooth 5.0 Receiver Amplifier achieves HiFi music quality, the best choice for your home audio entertainment. You can connect passive speakers/passive subwoofer/powered speakers/powered subwoofer to DIY a stereo sound system.

  • Fosi Audio BT30D Pro is the upgraded version for BT30D. All-NEW Black Aluminum Appearance. BT30D VS BT30D Pro: MAX Power Output: 50 Watt x2+100 Watt VS 165 Watt x2+350 Watt, Amplifier Chip: TPA3116D2 VS TPA3255. Output: RCA output for powered subwoofers VS 3.5MM full-range output for powered subwoofers and speakers. Just choose one model for your needs.

  • BT30D Pro Adopts 2PCS Texas Instruments TPA3255 high-performance Class-D power amplifier chip. BT30D Pro can drive up to 2 x 175 W into 4-Ω load and 2 x 220 W into 3-Ω load. In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 1 W. This is achieved through the use of 60 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.

  • Professional wireless amp with subwoofer frequency, SUB volume, master volume/bass/treble control. No pop sound, no audible noise during the connection. Have a good time with Hifi music journey.

  • What You Get: BT30D Pro Amp x1, power supply x1, user manual x1, our worry-free 24-month warranty, and friendly customer service.

 


Highlight:


  • Model: BT30D PRO

  • Chippest:TPA3255 x2

  • DC Input Range: 24-48V

  • THD: ≤ 0.03%, SNR: ≥ 108dB

  • Frequency Range: 20Hz - 20kHz (±1 dB)

  • Input Sensitivity: ≤ 600mV

  • Terminating Impedance: 2 - 8 Ohm

  • MAX Power Output: 165W×2+350W

  • Input Mode: Bluetooth and RCA

  • Bluetooth Transmission Distance: Up to 50 Ft

  • Package Include: BT30D Pro Amp, Power Supply, Bluetoth Antenna, User Manual



Package Include:


*1x BT30D PRO Amplifier

*1x 32V 5A Power Supply

*1x User Manual


QA
Q1:What is the supported power supply voltage range for the BT30D PRO?

The latest version of the BT30D PRO supports 24-48V power supplies. All BT30D PRO units we ship now support voltages up to 48V.




Q2:Can the BT30D PRO's operational amplifier chip be replaced?

No.












Pros & Cons

Pros

  • 2.1 channel design supports both passive speakers and a subwoofer for full-range audio
  • High-fidelity audio with THD ≤0.04% and ≥108dB SNR for crisp, clear sound
  • Bluetooth 5.0 connectivity for reliable wireless audio streaming
  • Wide DC input range of 12-36V for flexible power setup

Cons

  • Requires a separate DC power supply, which is not included with the kit
  • Only compatible with passive speakers and subwoofers, not active speaker systems
  • No built-in phono preamp for turntable use without additional adapters
  • Physical dimensions and weight are not listed in the product specification

Common Questions

What materials is this Bluetooth power amplifier constructed from?

Exact material details for the amplifier chassis are not listed in the product specification, but it uses high-quality TPA3255 digital AMP chips for performance.

What are the key power and connectivity specifications for this amplifier?

It delivers 165W x2 for passive speakers and 350W for a subwoofer, supports Bluetooth 5.0 and RCA wired inputs, and has a DC input range of 12-36V.

What devices and setups is this amplifier compatible with?

It works with passive speakers and subwoofers, and is designed for home audio entertainment systems.

What is the primary usage of this audio amplifier?

It amplifies audio signals to deliver high-fidelity HiFi music quality for home entertainment setups.

Where is this product shipped from, and does it come in retail packaging?

This product originates from Mainland China and comes in included retail packaging.

Product information last updated on January 26, 2026