GOWENIC Bluetooth Digital Amplifier Board 2.1 Channel - Compact DIY

In this review of the GOWENIC Bluetooth Digital Amplifier Board, the bottom line is simple: it is a compact, DIY-friendly 2.1 channel power module that brings solid Bluetooth streaming and adjustable tone control to bookshelf or small floorstanding speaker projects. The reviewer found the board best for hobbyists and DIY builders who want a tidy amplifier solution with Bluetooth 5.0 connectivity and a clear path to a subwoofer hookup, and the single biggest reason to buy is the combination of wireless convenience and layered sound control in a small, protected PCB package.

Key Features

• Bluetooth 5.0: Reliable wireless streaming with up to about 49 ft unobstructed range lets users place source devices freely without running audio cables.
• 2.1 Channel Output: Two 50W channels plus a 100W sub output provide a clean stereo stage with a dedicated low-frequency drive for stronger bass impact.
• AUX Input: A 3.5mm AUX jack is provided so wired sources like a turntable preamp or TV audio can be connected directly without adapters.
• Tone Controls: High and low frequency knobs let builders dial in more layered mids and enhanced bass to suit different speakers and rooms.
• Protection Mechanisms: Built-in short circuit, over current, overheat and anti-reverse protections help preserve the board during typical DIY power and wiring mishaps.
• Wide Voltage Range: Runs from DC 12-24V and includes a DC conversion plug so it accepts common adapters available for desktop audio projects.

Who It's For

This board suits DIY audio enthusiasts building custom powered speakers, small home theater satellites with a subwoofer, or hobbyists replacing a tired amplifier in a compact cabinet. Its compact PCB and included mounting hardware make it practical for enclosure installation, and the AUX plus Bluetooth inputs cover most source needs.

Those who should look elsewhere include users needing very high-end audiophile fidelity or large venue power; this module is designed for home and hobby applications, not for professional sound reinforcement or ultra-high-end reference systems.

Pros & Cons

Pros

• Bluetooth 5.0 provides stable wireless playback and convenient pairing with phones and tablets.
• 2.1 channel layout with separate sub output yields fuller bass when paired with a suitable subwoofer.
• Physical tone controls allow quick on-board adjustments without external equalizers.
• Multiple protection mechanisms and overload reporting increase reliability for DIY builds.

Cons

• The module is a DIY component and requires careful wiring and a proper enclosure to avoid heat or interference issues.
• Power draw can exceed 9A at higher volumes, so users must supply a robust DC adapter and proper cooling.

Specifications

Item Type	Bluetooth Digital Power Amplifier Module
Channels	2.1 (50W, 50W, 100W)
Bluetooth	5.0
Sound Input	AUX and BT (3.5mm AUX jack)
Voltage	DC 12-24V
Current	>9A
Package Includes	Module, 2 housings, DC conversion plug, screwdriver, studs and screws

Our Verdict

The GOWENIC Bluetooth Digital Amplifier Board is a practical, value-oriented choice for DIY speakers and small home audio projects because it combines wireless convenience, tone controls and robust protection in a compact kit. Builders who need a straightforward 2.1 solution with flexible power options will find it good value, provided they pair it with a suitable DC adapter and enclosure for cooling.

Frequently Asked Questions

Does the board include a power plug adapter?
The package includes a DC conversion plug so users whose adapter tip differs from 5.5x2.1mm can still connect without buying another plug.

Can it drive a separate subwoofer?
Yes, the 2.1 design includes a dedicated sub output rated up to 100W to feed an active subwoofer or a powered low-frequency amp.

What protections are built in?
The board has short circuit, over current, overheat and anti-reverse protections and will report faults to the processor to help prevent damage.