Best Bluetooth Amplifier Boards With Subwoofer for DIY Audio Systems
Emerging Bluetooth amplifier boards with built‑in subwoofer support make it easy to power compact DIY speakers while delivering deep bass and clear highs. This guide highlights five top options that balance power, input versatility, and tuning controls. Each model supports Bluetooth 5.x, multiple inputs, and treble/bass adjustments to tailor sound for home theaters, gaming setups, or living rooms. Explore these picks to find the right match for your project and listening preferences.
Summary of Selected Products
| Product | Brand | Max Power (approx.) | Key Features |
|---|---|---|---|
| ARRAROWN ZK-1002T | ARRAROWN | 100W + 100W + 2.1 channel output | BT 5.0, AUX input, independent treble/bass, low noise, built‑in subwoofer capability |
| TDA7498E Bluetooth Amplifier Board | Hosyond | 160W × 2 + 220W subwoofer | 3‑in‑1 inputs (AUX, Bluetooth, USB), wide 15–36V range, strong power |
| S600X‑W | DAJUNGUO | 300W × 2 + 600W sub | Dual TPA3255, wide DC range, DIY panel included |
| ARRAROWN ZK‑TB21 | ARRAROWN | 50W + 50W + 100W | Bluetooth 5.0, AUX input, treble/bass control, compact design |
| DAMGOO 2.1 Channel Board | DAMGOO | 50W + 50W + 100W | TPA3116D2, treble/bass control, Bluetooth 5.0, wide 12–24V |
ARRAROWN ZK-1002T 2.0 Channel Bluetooth Amplifier Board

The ARRAROWN ZK-1002T provides a 2.0 channel base with Bluetooth 5.0 and dual 100W outputs, forming a 2.1 channel capable platform when paired with a subwoofer. It offers independent treble and bass adjustment, allowing on‑board tone shaping without needing the audio source or external speakers. The module emphasizes low noise and AM interference suppression for clearer highs and cleaner bass in compact DIY builds.
TDA7498E Bluetooth Amplifier Board (160W×2 + 220W Sub)

This board centers on the TDA7498E chip delivering robust 2.1 channel output, with a subwoofer power up to 220W. It supports AUX, Bluetooth, and USB input, and includes easy input switching via a dial. Its wide DC input range (15–36V) and undervoltage protection support flexible power configurations while maintaining stable performance across varying supply conditions.
DAJUNGUO S600X‑W Power Amplifier Board

The S600X‑W features dual TPA3255 chips and a substantial 2.1 output capability, delivering up to 300W per channel and 600W for the sub. It includes a DIY panel for quick enclosure fitment and supports multiple inputs, making it a strong choice for larger DIY projects where punchy bass and clear mids are desired.
DAMGOO 2.1 Channel Subwoofer Amplifier Board

Damgoo’s board uses the TPA3116D2 HIFI chip with a 2.1 channel configuration delivering up to 100W per channel and 200W for the sub under 12–24V input. It includes treble and bass controls, plus Bluetooth 5.0 and AUX inputs for flexible wireless or wired connections, making it suitable for compact home theater builds or adaptable speaker projects.
Hosyond Bluetooth 5.0 2.1 Channel Amplifier (S350HS)

The S350HS model employs the TPA3251 chip, enabling 2.1 channel output with a powerful 220W per channel and 350W subwoofer power. It supports Bluetooth, AUX, and USB inputs, enabling convenient source switching. Treble and bass controls help tailor the sound signature to various room acoustics and listener preferences.
Buying Guide: Key Purchase Considerations
When choosing a Bluetooth amplifier board with a built-in or compatible subwoofer function, consider these factors to align with your setup and goals.
- Power and headroom: Larger rooms or demanding music types benefit from boards offering true 2.1 or 3.1 outputs with substantial subwoofer power. Ensure the supply voltage matches your power source to avoid dimming or protection triggers.
- Input versatility: Look for multiple inputs (Bluetooth, AUX, USB, and sometimes SD) to support a range of devices. Easy switching between inputs can simplify daily use.
- Treble and bass controls: On-board tone controls can quickly tailor the sound, especially when paired with inexpensive speakers or room acoustics that need correction.
- Chip technology and audio fidelity: Chips like TDA7498E, TPA3251, TPA3221/3221, and TPA3116D2 influence efficiency, heat, and distortion. Higher end chips generally offer cleaner sound at higher volumes.
- Voltage requirements and protection: Check the operating voltage window and protections (overheat, undervoltage, short circuit) to match your power supply and ensure long-term reliability.
- Build and enclosure: Some boards include DIY panels or mounting hardware. Consider enclosure fit, heat management, and assembly effort when planning a final product.
- Ease of use vs. customization: Some boards prioritize plug‑and‑play with minimal tuning, while others offer extensive on‑board controls for deeper customization.
- Cost vs. performance: Balance the price against total output capability, input options, and tuning features. For home theater or gaming setups, prioritize clear subwoofer performance and dynamic headroom.
Across these options, the choice boils down to your room size, source devices, and how hands-on you want to be with sound tuning. For compact builds with straightforward use, a board with strong AUX/Bluetooth inputs and on‑board treble/bass is convenient. For larger rooms or more demanding audio, a board with higher wattage, multiple input formats, and robust protection makes sense. Always verify compatibility with your speakers and enclosure before purchasing.