Name: Fosi Audio BT30D Pro Bluetooth 2.1 Subwoofer Amplifier TPA3255
Brand: Fosi Audio
SKU: B09YNBHR73
Price: 119.99 USD
Availability: InStock
Rating: 4.4 (1800 reviews)

Overview

Fosi Audio BT30D Pro — 2.1 channel Bluetooth amp with dual TPA3255 chips for speakers plus passive subwoofer output.

At a Glance

2.1 Channel Amplifier
Bass Beast
Bluetooth 5.0 Connectivity
Exquisite Craftsmanship

Key Features

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. 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: 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.
If you plan to use a 48V power supply, active cooling (such as a fan) is required to ensure stable operation.

Who It's For

2.1 desktop and living-room systems that need left/right speakers plus a passive subwoofer channel from one compact chassis, with Bluetooth or multi-input convenience.

Why Choose the BT30D Pro

The BT30D Pro is part of the Fosi Audio lineup of compact HiFi amplifiers, DACs, and desktop audio components. It focuses on practical connectivity, measurable performance, and value — the same product family featured on the official Fosi Audio store and Amazon. Use this page to review specs and photos, then buy through Amazon when you are ready.

Why Fosi Audio

Fosi Audio builds compact HiFi amplifiers, DACs, and desktop audio gear that punch above their price. From TPA3255 power amps to balanced DAC preamps and gaming DAC/AMPs, the lineup focuses on clean sound, useful connectivity, and value — the same products featured on Amazon.