Gold-AP55 TPA3116D2 Audio Music Player | 2×50W Dual Board Bluetooth Module
The Gold-AP55 TPA3116D2 Audio Music Player is a high-performance dual-channel 2×50W Bluetooth amplifier module designed for DIY sound systems, portable speakers, 2.1 setups, and multimedia audio projects. Built on the powerful TPA3116D2 Class-D chipset, this board delivers clean, distortion-free audio with excellent efficiency, making it perfect for home audio and custom speaker builds in Bangladesh.
The module includes Bluetooth 5.0, USB, SD-card, FM radio, AUX input, and infrared remote—providing a complete all-in-one music system solution. Whether you are building a mini home theater, a desktop speaker system, or a portable wooden cabinet speaker, the Gold-AP55 gives you performance, flexibility, and premium sound output at an affordable price.
Key Specifications:
Model: Gold-AP55
Chipset: TPA3116D2 (Dual 50W Output)
Output Power: 50W × 2 (4Ω speakers)
Bluetooth Version: 5.0
Bluetooth Name: GD-82EM
Audio Formats: MP3, WMA, WAV
FM Band: 87.5 – 108.0 MHz
Inputs: USB, SD/TF Card, Bluetooth, AUX, FM
Remote Control: Infrared remote with 4–7 meters range
Power Memory: Saves last played song & volume after power off
Power Supply Range: 8V – 24V DC
Display: Digital display (H1 startup screen, time/frequency)
Buttons: Previous, Next, Volume +/-, Mode, Play/Pause
Voice Prompts: Mode change, Bluetooth connection, volume limits
Playback Modes: U Disk → TF Card → Bluetooth → FM → AUX (auto switching depending on inserted device)
Features & Highlights:
• High Power Dual Output: TPA3116D2 Class-D amplifier delivers 2×50W clean audio with strong bass and clear highs.
• All-in-One Multimedia System: Bluetooth, USB, SD-card, FM Radio, AUX—everything built into one compact board.
• Bluetooth 5.0 Connectivity: Faster pairing, stable signal, automatic reconnect feature.
• Full Remote Control: Control volume, mode, mute, track select, FM station, and power functions from distance.
• Power-Off Memory: Remembers last song and volume setting for convenience.
• Intelligent Button Functions:
– Short press: previous/next track
– Long press: volume control
– FM mode: auto channel search and tuning
• Digital Display Indicators:
– USB/SD/Bluetooth/FM modes
– Play/Pause symbols
– Clock-style counter for song time
• Wide Voltage Support: Works from 8V to 24V—compatible with SMPS, Li-ion battery packs, and transformer supplies.
• DIY Friendly: Ideal for speaker builders, hobbyists, and professional project makers.
Function Description (Simplified):
• Power on shows “H1” with startup tone, default volume 30%.
• Volume has 15-step adjustment levels.
• Play/Pause (P/P): Short press play/pause; long press for power on/off.
• PRE/V-: Previous track / Long press volume down / FM channel search.
• NEXT/V+: Next track / Long press volume up / FM tuning.
• MODE: Switch between USB → TF → Bluetooth → FM → AUX depending on device availability.
• Display Indicators:
– USB/SD/Bluetooth/FM icons
– Play triangle
– Pause double-line symbol
– Clock counter / FM frequency display
– AUX shows as "MP3" mode
Perfect For:
• DIY Wooden Speaker Projects
• 2.1 & 2.0 Amplifier Systems
• Home Audio Setup
• Portable Rechargeable Speakers
• Computer/TV Speaker Upgrade Projects
• FM Radio Based Music Systems
• Workshop or Classroom Sound Systems
Why Choose Gold-AP55?
The Gold-AP55 module is known for stable Class-D power output, low distortion, high efficiency, and wide connectivity features. It is a reliable choice for anyone building a custom audio system with modern multimedia support.
Why Buy from Voltech Electronics?
Voltech Electronics supplies genuine, tested, and high-quality amplifier boards for DIY creators, retailers, and professionals. With strong product knowledge, competitive pricing, and nationwide fast delivery, Voltech is the trusted audio components source in Bangladesh.
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