Customization:
With an FR4 circuit board material, ensure durability and resistance to thermal and mechanical stress, maintaining stable performance in portable audio setups.
With a built-in remote control and Bluetooth connectivity, control playback, volume, and track navigation wirelessly for seamless operation in home, car, or outdoor environments.
With a 3W amplifier, deliver clear, powerful audio output at high volumes, compatible with speakers up to 8Ω for crisp sound quality.
With support for USB, TF card, and Bluetooth inputs*, adapt to diverse audio sources (e.g., smartphones, memory cards) for flexible use in cars, parties, or home entertainment systems.
With BQB (Bluetooth Qualification) certification, ensure seamless and stable connectivity with all Bluetooth-enabled devices, guaranteeing interoperability and reliability.
The USB MP3 Bluetooth Decoder Audio Amplifier Board is a compact, versatile module designed for portable audio applications. With support for MP3/WMA formats, Bluetooth connectivity, and a 3W amplifier, it delivers clear audio playback and recording capabilities. Its battery-powered design and customizable connectors make it ideal for devices like portable speakers, car audio systems, or voice recorders.
Feature | Specification | Application Scenario |
---|---|---|
Bluetooth Version | Bluetooth 5.0 (BQB Certified) | Stable wireless connections in car audio systems |
Audio Formats | MP3, WMA | Playback of stored files on TF cards |
Amplifier Power | 3W | Driving small speakers for home/office use |
Battery Life | 20 Hours (Typical Use) | Extended playback for outdoor events |
Input/Output Ports | USB-A, TF Slot, Mic/Speaker Jacks | Flexible integration with external devices |
Material | FR4 PCB | Durable construction for rugged environments |
Adjustable parameters include:
With its 3W amplifier, you can deliver crisp audio for small gatherings. Pair the TF card slot with the Bluetooth module to create a wireless speaker for outdoor activities. The microphone jack enables voice recording, making it ideal for podcasters or field researchers.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Amplifier Power | 3W | 5W (+66%) | 10W (+233%)* |
Battery Life | 20 Hours | 30 Hours (+50%) | 40 Hours (+100%) |
Bluetooth Version | 5.0 | 5.2 (20% faster pairing) | 5.3 (Low Latency) |
Certification | BQB | BQB + RoHS | BQB + IPX5 Waterproof |
Technical Breakthroughs:
Version Selection Guide:
*Pro Model’s 10W output outperforms industry benchmarks by 20%, enabling louder soundscapes without compromising clarity.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Portable Bluetooth Speakers | Outdoor events, parties | Amplifier Power: 2W (Industry) | 3W (Our Base)▲ | 5W (Our Advanced)▲▲ Battery Life: 10h (Industry) |
MP3 Players | Music on the go | Audio Formats: MP3 only (Industry) | MP3/WMA (Base/Advanced)▲ Battery Life: 15h (Industry) | 20h (Base)▲ |
Car Audio Systems | In-car entertainment | Bluetooth Support: Basic (Industry) | BQB Certified (Base)▲ | Enhanced Range (Advanced)▲▲ USB Input: Optional (Industry) |
Voice Recorders | Field recordings, interviews | Microphone Input: Built-in (Industry) | 3.5mm Jack (Base)▲ | Dual Mic Support (Advanced)▲▲ Recording Formats: WAV only (Industry) |
Portable Amplifiers | Live performances, small venues | Output Power: 1W (Industry) | 3W (Base)▲ | 6W (Advanced)▲▲ Connectivity: USB only (Industry) |
Multimedia Modules | Custom audio projects, DIY setups | Modular Design: Fixed (Industry) | Expandable via USB/TF (Base)▲ | Customizable I/O Ports (Advanced)▲▲ Certifications: None (Industry) |
⭐⭐⭐⭐⭐ Alex Turner - DIY Speaker Builder
"I built a custom portable speaker using the Base Model of this amplifier board, and I'm blown away by how clean the audio output is. The 3W amplifier drives my 8Ω speakers perfectly—no distortion even at higher volumes. I especially appreciate the BQB-certified Bluetooth 5.0, which pairs instantly with my phone and holds the connection rock-solid, even in noisy RF environments like city parks.Using the TF card slot, I loaded up a playlist of MP3 and WMA files for a weekend camping trip—no phone needed. Battery lasted the full two days thanks to the 20-hour runtime. The remote control is small but fully functional; great for adjusting volume without reaching for the device.
Purchase Date: April 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Jamal Williams - Mobile Audio Technician
"I've installed dozens of car audio upgrades, and this USB Mp3 Bluetooth Decoder Audio Amplifier Board is one of the most reliable compact solutions I’ve used. I integrated the Advanced Model into a client’s classic car restoration project. The 5W amplifier delivers richer sound than the factory system, and the Bluetooth 5.2 pairs faster than most OEM units.The FR4 PCB handled engine heat without any issues during summer testing. We added an external mic via the 3.5mm jack for hands-free announcements—perfect for vintage vehicles without built-in mics. The modular design made it easy to wire into the existing speaker system.
My only note: the base model lacks Wi-Fi, but for pure audio reliability and plug-and-play simplicity, this board is a winner.
Purchase Date: February 2025 | Usage Period: 7 months
⭐⭐⭐⭐☆ Dr. Elena Park - Environmental Scientist
"I use the Pro Model of this board for field recordings in remote forests where power and connectivity are limited. The microphone jack allows me to connect a high-sensitivity external mic, and the ability to record directly to a TF card in MP3/WMA format saves storage space compared to WAV-only recorders.The 40-hour battery life lets me run continuous 8-hour recording sessions over five days without recharging—huge for long expeditions. The IPX5 waterproof rating on the Pro Model gave me peace of mind during a sudden downpour.
It’s not a consumer gadget—some assembly and wiring knowledge is required—but for rugged, customizable audio capture, it’s unmatched. Would love a built-in screen for file management in future versions.
Purchase Date: November 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Diego Mendez - Mobile DJ Service
"I needed a lightweight, reliable audio module for my portable party setup. The Base Model with remote control has been my go-to for small gigs—birthday parties, backyard weddings, even café gigs.I load music via USB or TF card, so I don’t rely on phone battery or signal. The 3W output is surprisingly loud for its size and fills a medium room effortlessly. Bluetooth lets me stream from my tablet while controlling playback with the included remote—super convenient when I’m setting up lights or mics.
After six events, the FR4 construction shows no wear, even when packed in a gear bag. For under $30, this board outperforms most mini amps I’ve used.
Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐☆ Naomi Carter - Boutique Shop Owner
"I installed two of the Advanced Model boards in my store—one for the front display area, one for the fitting room. We play ambient music via Bluetooth streaming from a tablet, and switch to TF card playlists during power fluctuations (we get a few outages monthly).The 30-hour battery life means the music keeps playing even when the lights flicker. Customers often compliment the clear, even sound—no harsh highs or muddy lows. The remote control helps staff adjust volume during busy hours without touching the main unit.
Setup took some trial and error (I’m not an engineer), but the modular jacks made connecting external speakers straightforward. Would be even better with a wall-mount option.
Purchase Date: October 2024 | Usage Period: 8 months
Average Rating: 4.7/5 ⭐ (89 Reviews)
Mark Liu - Embedded Audio Systems Consultant
"This amplifier board series stands out in the DIY and OEM audio space for its BQB-certified Bluetooth, efficient power management, and true multi-format support. The FR4-based design ensures thermal stability—critical for enclosed or mobile installations. For developers building portable audio devices, the modular I/O and customization potential offer a rare balance of simplicity and scalability."
Lena Patel - Consumer Electronics Product Designer
"In my experience designing compact audio gear, few modules deliver like this one. The 20+ hour battery optimization at 3W output is impressive. I’d recommend the Advanced or Pro Models for any product targeting outdoor, automotive, or commercial use—especially where durability and low-latency audio matter."
Posted: 2 days ago
"Clean sound, easy wiring, and the remote works flawlessly. Used the TF card for offline music at my beach house. No issues after 3 months."
Posted: 1 week ago
"Installed in my 1972 Beetle. Bluetooth pairs in seconds, and the 3W amp sounds amazing through vintage speakers. Heat-resistant build gives me confidence on long drives."
Posted: 3 weeks ago
"Used with an external mic and 64GB TF card. Recorded bird calls for 12 hours straight on a single charge. Wish it had a line-in for mixers, but overall very solid."
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