ZK-1002T HiFi Bluetooth Amplifier Board 2x100W - DIY Speaker Amp

In this review of the ZK-1002T HiFi Bluetooth Amplifier Board the reviewer finds a compact, power-flexible amp board aimed at DIY speaker builders who want modern connectivity and solid stereo output. The single biggest reason to buy is the combination of a TPA3116D2-based amplifier delivering up to 2 x 100W at 24V and built-in Bluetooth 5.0, which together make it easy to upgrade passive speakers into a high-performance wireless setup without a lot of extra gear.

Key Features

• Power Output: Dual channel output configurable across voltages provides up to 2 x 100W at 24V into 4 ohm speakers for substantial loudness in a small package.
• Bluetooth 5.0: Wireless input supports devices up to about 10m in open space, making phone or tablet playback convenient for casual listening and parties.
• AUX Input: A 3.5mm auxiliary input allows wired sources to be connected when Bluetooth is not available or when lower latency is required.
• Tone Control: Dedicated treble and bass knobs let builders tailor sound balance to their speaker design or room without changing electronics.
• Safety Mechanisms: Built-in protections for overheat, short circuit, overvoltage and undervoltage improve reliability when experimenting with power supplies and speaker loads.
• Speaker Compatibility: The board supports 4-8 ohm speakers and is rated to drive 20-200W speaker units, giving flexibility for many DIY projects.

Who It's For

This board is best for hobbyists and DIY speaker makers who want a compact amplifier with modern wireless connectivity and serious output. It suits people building bookshelf or small floor-standing speakers who need tone controls and protection circuits while retaining a simple install process.

It is less suitable for complete beginners who do not want to wire speakers or match power supplies, and those seeking an all-in-one case or remote control may prefer a finished receiver product instead of a bare amp board.

Pros & Cons

Pros

• High power density with up to 2 x 100W at 24V for loud, clear stereo driven by a TPA3116D2 chip.
• Bluetooth 5.0 plus AUX input covers both wireless convenience and wired sources without extra adapters.
• Treble and bass controls let users tune tonal balance to speaker and room acoustics without swapping components.
• Comprehensive safety features reduce risk when pairing with different power supplies and speaker loads.

Cons

• As a bare PCB and aluminum alloy board, it requires basic wiring and a compatible DC supply, so it is not a finished consumer product.
• No included remote or enclosure means additional parts are needed for a polished desktop or home-theater installation.

Specifications

Chipset	TPA3116D2
Channels	Dual channel 2.0 (left and right)
Bluetooth	Version 5.0, up to ~10m open range
Power Supply	DC 12-24V
Output Power	2 x 100W at 24V into 4 ohm (other outputs vary by voltage)
Speaker Compatibility	4-8 ohm, 20-200W speakers
Protections	Overvoltage, undervoltage, overheat, short circuit

Our Verdict

The ZK-1002T is a practical choice for DIYers who want a powerful, flexible amplifier board with modern wireless support and tone controls. Its protection features and clear specification range make it good value for builders who can supply a suitable DC source and enclosure; those seeking a plug-and-play boxed amplifier should look elsewhere.

Frequently Asked Questions

What power supply range does this board accept?
The board accepts DC from 12V to 24V, and output power scales with voltage up to the rated 2 x 100W at 24V into 4 ohm.

Which speakers are compatible with this amp?
It is compatible with 4-8 ohm speakers and is intended for speaker units rated roughly 20-200W, with best performance into 4 ohm at higher supply voltage.

Does the board include protection features?
Yes, it has built-in overvoltage, undervoltage, overheat and short circuit prevention to protect the board and connected speakers.