Looking For A Compact Bluetooth Amplifier Board With Subwoofer For DIY Speakers Or Home Theater? This Guide Compares Five Popular 2.1 And Stereo Modules That Offer Bluetooth, AUX/USB Inputs, And Treble/Bass Controls.
| Product | Power/Config | Key Feature |
|---|---|---|
| ARRAROWN ZK-1002T | 100W+100W, 2.0 (2.1 Capable) | Bluetooth 5.0, Treble/Bass Controls |
| TDA7498E 2.1 (Hosyond) | 160W×2 + 220W Sub | AUX/Bluetooth/USB Inputs, Dial Control |
| TPA3116D2 2.1 (Hosyond) | 50W+50W+100W | TPA3116D2 HiFi Chip, Safety Protections |
| S350HS TPA3251 | 220W×2 + 350W Sub | High-Power TPA3251, Wide Voltage |
| DAMGOO Dual TPA3116 | 50W+50W+100W | Dual TPA3116, Long Bluetooth Range |
ARRAROWN ZK-1002T 2.0 Channel Amp
This ARRAROWN ZK-1002T Module Offers Bluetooth 5.0 With 100W+100W Output And 2.1 Capabilities When Paired With A Subwoofer Output. It Supports Both Bluetooth And AUX Inputs, With Note That AUX Requires Bluetooth Disconnection For Clean AUX Use.
Onboard Controls Include Independent Treble And Bass Adjustment Buttons, Allowing Tone Shaping Without The Player. The Design Emphasizes Low Noise, AM Interference Suppression, And Shielding For Cleaner Preamp Stage Performance.
Typical Use Cases: Compact DIY Stereo Systems Or Desktop Setups Where Bass/Treble Tuning And Bluetooth Convenience Are Priorities. Power Input Range Is DC 12–24V, Making It Suitable For Low-Voltage Builds.
TDA7498E 2.1 Power Amp Board
The TDA7498E Module Is A High-Power 2.1 Receiver With 160W Per Stereo Channel And A 220W Subwoofer Output. It Integrates AUX, Bluetooth, And USB Inputs With A Dial To Switch Modes And Control Playback Functions.
Powered By TDA7498E Chips, It Targets Immersive Sound Fields And Can Run From DC15–36V Supplies. The Board Includes Undervoltage Protection And Supports 12V Options, Offering Versatility For Home Or Vehicle Projects.
Good For Users Needing High Sub Output And Multiple Input Methods, Especially When Driving Larger Passive Speakers And A Dedicated Subwoofer In A 2.1 Configuration.
TPA3116D2 2.1 HiFi Module
This 2.1 Board Uses The TPA3116D2 HiFi Chip And Delivers 50W+50W For Stereo With 100W For Subwoofer. It Promises Low THD (≤0.1%) And Uses Quality Filter Inductors For Clearer Sound.
Bluetooth 5.0 Enables Wireless Streaming While A 3.5mm Jack Supports AUX Sources. Built-In Protections Include Overheat, Reverse Connection, Over/Undervoltage, And Circuit Breaker Features For Safer Operation.
Recommended For Medium-Sized DIY Home Theater Or Bookshelf Systems Where Efficient Class-D Amplification And Thermal/Short Protections Are Important.
S350HS TPA3251 High-Power Board
The S350HS Uses Two TPA3251 Chips To Deliver Very High Output (220W×2 + 350W Sub) And Accepts Wide DC Input From 12V To 38V. Multiple Inputs Include Bluetooth, AUX, And USB Drive Playback.
Onboard Treble And Bass Controls Allow Tone Customization, And The High Power Ratings Make This Module Suited For Driving Large Passive Speakers And A High-Output Subwoofer.
Apply Appropriate Power Supplies And Cooling For Sustained High-Power Operation—This Board Targets Users Building Robust Home Or Event Audio Systems.
DAMGOO Dual TPA3116 2.1 Board
This DAMGOO Module Uses Dual TPA3116 Chips For 50W+50W+100W Output, With Bluetooth 5.0 And AUX Support. It Highlights Long Wireless Range And Treble/Bass Control Knobs For Onboard Tone Shaping.
The Board Operates From DC12–24V And Emphasizes Low THD. Built For Compact Systems, It Balances Efficiency, Tone Control, And Bluetooth Convenience.
Appropriate For Users Seeking Reliable Class-D Performance In Small-To-Medium DIY Speaker Builds.
Buying Guide: Choosing A Bluetooth Amplifier Board With Subwoofer
Power And Channel Configuration
Decide Between 2.0, 2.1, Or High-Power 2.1 Configurations. 2.1 Boards Provide A Dedicated Subwoofer Output; Higher Watt Ratings Suit Larger Rooms And Less-Efficient Speakers. Match Amplifier RMS Output To Speaker Power Ratings And Impedance (Usually 4–8 Ohms).
Chipset And Sound Character
Common Chips Include TPA3116/TPA3251/TDA7498E/TPA3221. TPA3116 Offers Efficient Class-D With Low THD For Small-To-Medium Builds. TPA3251 And TDA7498E Target Higher Power Applications. Choose Based On Desired Headroom, Efficiency, And Thermal Requirements.
Inputs And Connectivity
Check For Bluetooth Version, AUX, And USB Inputs. Bluetooth 5.0 Provides Better Range And Stability. USB Inputs Allow Drive Playback; AUX Provides Low-Latency Wired Connection—useful For TVs Or Nearfield Monitoring.
Tone Controls And Subwoofer Adjustments
Onboard Treble, Bass, Sub Volume, And Sub Frequency Controls Improve Integration With Passive Subwoofers. If You Need Fine Tuning, Look For Independent Subwoofer Frequency/Level Controls And Clear Labeling.
Protection And Reliability
Important Protections Include Overheat, Overvoltage, Undervoltage, Short Circuit, And Reverse-Polarity Protections. For High-Power Boards, Consider Cooling Options And Proper Power Supplies Rated Above Expected Load.
Power Supply Requirements
Confirm The Required DC Voltage Range And Current Capacity. Higher Output Boards Often Need 15–38V Supplies With Several Amps. Ensure The PSU Can Deliver Continuous Current And Consider Voltage Drop In Long Cable Runs.
Form Factor And Mounting
Check Board Dimensions, Connector Types, And Mounting Holes. Some Boards Are Designed For Integration Into Enclosures; Others Require Additional Heatsinking Or Shielding For EMI Reduction.
Comparison Perspectives
- Small Room / Desktop: Low-to-mid power TPA3116 boards (50W×2 + 100W) balance size and sound.
- Living Room / Medium Home Theater: Mid-power TDA7498E or high-end TPA3116 dual-chip modules provide better headroom.
- Large Rooms / High SPL: TPA3251 or TDA7498E high-power 2.1 boards with robust power supplies suit heavy loads.
- Vehicle Or 12V Systems: Confirm DC input range; some boards accept 12–24V or 12–30V for car use.
Final Checklist Before Purchase
- Match RMS Power To Speaker Ratings And Impedance
- Verify DC Voltage/Amperage Requirements And Connector Types
- Confirm Presence Of Desired Inputs (Bluetooth/AUX/USB)
- Look For Tone/Subwoofer Controls If You Need Tuning
- Ensure Adequate Protections And Thermal Management