Fosi Audio BT30D Pro Class D 2.1 Bluetooth Amplifier

Fosi Audio BT30D Pro Class D 2.1 Bluetooth Amplifier

The Fosi Audio BT30D Pro Class D 2.1 Bluetooth Amplifier is a high-performance 2.1-channel integrated amplifier designed for users who want powerful bass, clean stereo output, and modern wireless connectivity in one compact system. Built with dual Texas Instruments TPA3255 amplifier chips, it delivers strong, distortion-free power for both main speakers and subwoofer output, making it ideal for home theater systems, music listening setups, and desktop Hi-Fi audio environments.

With Bluetooth connectivity, RCA input, and independent bass control, the BT30D Pro provides a complete audio solution for users who want deep bass response combined with clear mid and high frequencies.

Dual TPA3255 Amplifier Architecture for Powerful Output

At the heart of the Fosi Audio BT30D Pro are two Texas Instruments TPA3255 Class D amplifier chips. This dual-chip design ensures stable power delivery and high-efficiency performance for both stereo channels and subwoofer output.

Key Technology Features

• Dual TPA3255 Class D amplifier chips

• High-efficiency switching design

• Advanced feedback control system

• Ultra-low distortion signal processing

• High dynamic range audio performance

Audio Benefits

• Strong and clean stereo output

• Powerful and controlled bass response

• Accurate sound separation

• High-volume stability without distortion

• Hi-Fi grade audio clarity

This architecture ensures balanced and powerful 2.1-channel sound reproduction.

Powerful 2.1 Channel Output System

The BT30D Pro is specifically designed for 2.1-channel systems, combining stereo speakers with a dedicated subwoofer channel.

Output Specifications

• Stereo output: 165W × 2 @ 4Ω

• Subwoofer output: 350W @ 4Ω

• Compatible impedance: 2–8Ω

Benefits

• Deep and impactful bass performance

• Clear stereo sound separation

• Balanced home theater audio experience

• Strong subwoofer control

• High-volume performance stability

This makes it ideal for cinematic sound and music systems requiring strong low-frequency output.

High-Fidelity Audio Performance with Low Distortion

The BT30D Pro is designed to deliver clean and accurate sound reproduction with minimal distortion.

Audio Performance Metrics

• THD: ≤0.03%

• SNR: ≥108dB

• Frequency Response: 20Hz – 20kHz (±1.2dB)

Benefits

• Crystal-clear audio output

• Minimal background noise

• Accurate instrument separation

• Balanced tonal performance

• Professional Hi-Fi sound quality

This ensures an immersive listening experience across all audio types.

Strong Bass Control System

One of the key highlights of the BT30D Pro is its independent bass management system.

Bass Control Features

• Independent subwoofer volume control

• Adjustable bass frequency

• Dedicated low-frequency channel

Benefits

• Deep and punchy bass output

• Customizable bass tuning

• Improved movie sound effects

• Enhanced music experience

• Reduced distortion at low frequencies

This allows users to fine-tune their audio experience based on preference.

Wireless Bluetooth Connectivity for Modern Use

The BT30D Pro includes built-in Bluetooth connectivity for wireless audio streaming.

Bluetooth Features

• Bluetooth input support

• Up to 50 feet transmission range

• Stable wireless connection

Benefits

• Wireless music streaming from smartphones

• Easy connection with tablets and laptops

• Reduced cable clutter

• Convenient playback control

This makes it ideal for modern home audio setups.

RCA Input for Stable Wired Connection

In addition to Bluetooth, the amplifier also supports RCA input for wired audio sources.

Input Features

• RCA analog input support

• Low-noise signal transmission

Benefits

• Stable audio performance

• Compatible with multiple devices

• High-quality analog sound

• Easy integration with audio systems

This ensures flexibility for both wired and wireless users.

Wide Frequency Response for Full-Range Sound

The BT30D Pro supports a wide frequency range for balanced audio reproduction.

Frequency Specification

• 20Hz – 20kHz (±1.2dB)

Benefits

• Deep bass response

• Clear vocal reproduction

• Smooth high-frequency output

• Balanced stereo imaging

• Natural sound reproduction

This ensures full-spectrum Hi-Fi performance.

Wide Speaker Compatibility

The amplifier supports a wide impedance range, making it compatible with many speaker types.

Compatibility

• 2Ω to 8Ω passive speakers

Benefits

• Works with bookshelf speakers

• Supports subwoofer systems

• Flexible system design

• Stable output across loads

This makes it highly versatile for home audio systems.

Compact Yet Powerful Design

The BT30D Pro combines high power output with a compact and modern design.

Design Features

• Durable metal chassis

• Compact form factor

• Efficient heat dissipation

Benefits

• Space-saving installation

• Modern desktop-friendly design

• Long-lasting durability

• Stable thermal performance

This makes it suitable for both home and office setups.

Efficient Class D Power Technology

The amplifier uses Class D technology for high efficiency and low heat generation.

Efficiency Features

• High power efficiency design

• Reduced energy loss

• Low heat output

Benefits

• Energy-efficient operation

• Stable long-term use

• Reduced overheating risk

• Quiet performance

This ensures reliable audio performance over time.

Precision Tone Control System

The BT30D Pro includes built-in tone adjustment features for customized sound.

Control Features

• Bass adjustment

• Treble adjustment

• Subwoofer frequency control

Benefits

• Personalized sound tuning

• Improved listening experience

• Flexible audio adjustment

• Better control over sound balance

This allows users to tailor sound output according to preference.

Ideal Applications of Fosi Audio BT30D Pro

The amplifier is suitable for multiple audio environments.

Home Theater Systems

Delivers cinematic sound with strong bass impact.

Music Listening Setup

Provides balanced Hi-Fi stereo performance.

Desktop Audio Systems

Compact solution for PC audio enhancement.

Gaming Setup

Improves sound immersion in gaming environments.

Why Choose Fosi Audio BT30D Pro

The BT30D Pro stands out as a complete 2.1-channel audio solution combining power, clarity, and flexibility.

Key Features Summary

• Dual TPA3255 amplifier chips

• 165W × 2 stereo + 350W subwoofer output

• Bluetooth wireless connectivity

• RCA input support

• Independent bass and tone control

• Ultra-low distortion (≤0.03%)

• High SNR (≥108dB)

• Wide frequency response (20Hz–20kHz)

• 2–8Ω speaker compatibility

• Compact modern design

This makes it a powerful choice for Hi-Fi audio systems.

Audio Phonic Quality Assurance

Audio Phonic ensures every audio product meets strict performance standards. The Fosi Audio BT30D Pro reflects this commitment with powerful bass performance, clean stereo output, and reliable wireless connectivity for modern audio systems.

Technical Specifications of Fosi Audio BT30D Pro

General Information

• Brand: Fosi Audio (Audio Phonic distribution context)

• Product Name: Fosi Audio BT30D Pro Class D 2.1 Bluetooth Amplifier

• Category: Integrated Amplifier

• Channel: 2.1 System

Power Output

• 165W × 2 (Stereo @ 4Ω)

• 350W (Subwoofer @ 4Ω)

• Impedance: 2–8Ω

Audio Performance

• THD: ≤0.03%

• SNR: ≥108dB

• Frequency Response: 20Hz – 20kHz (±1.2dB)

Connectivity

• Bluetooth input

• RCA input

• Speaker output

• Subwoofer output

Power Supply

• DC 32V / 5A

Physical Design

• Dimensions: 278 × 222 × 182 mm

• Gross Weight: 1 kg

Frequently Asked Questions (FAQs)

What is Fosi Audio BT30D Pro used for?

It is used for building a 2.1-channel audio system with strong bass and clear stereo sound.

Does it support Bluetooth?

Yes, it supports Bluetooth wireless audio streaming.

How powerful is the amplifier?

It delivers 165W × 2 for stereo and 350W for subwoofer output.

Can it be used for home theater?

Yes, it is ideal for home theater systems with deep bass support.

Does it support subwoofer control?

Yes, it has independent bass volume and frequency control.

What speakers are compatible?

It supports 2Ω to 8Ω passive speakers.

Is it suitable for music listening?

Yes, it provides balanced Hi-Fi sound for music playback.

What makes its bass special?

Independent subwoofer control allows deep, adjustable, and powerful bass output.