• Onboard 2W Mono Amplifier (5V power supply, up to 3W) for direct connection to speakers (recommended with 4Ω, 3W speakers)
• 3.5mm gold-plated socket for connecting headsets or external sound devices
• MicroUSB power supply interface allows use of mobile phone cable, USB charger, or 3.7V lithium battery
• Supports TF card and U disk playback for music storage and playback

• Audio Modes:
  • U Disk / TF Card Decoding Playback: Supports FLAC, WAV, MP3, WMA format decoding.
  • Bluetooth Receiving Playback: Connect and play wirelessly.
  • FM Radio Function: Use remote control for FM station control (infrared).
• Amplifier Chip: TPA3116 digital amplifier ch

TPA3116D2 Bluetooth 2.1 Digital Audio Amplifier Board - 50W + 50W + 100W High Bass Fidelity

Elevate your audio experience with the TPA3116D2 Bluetooth 2.1 Digital Audio Amplifier Board, offering superior bass fidelity and Bluetooth connectivity. Ideal for subwoofer speakers, this board supports a powerful audio output with adjustable volume and treble controls.

• Supports Bluetooth audio receiver
• DC power supply: 12-24V
• Output: 50W (left) + 50W (right) + 100W (bass)
• Utilizes TPA3116D2 digital amplifier chip
• Wide operating voltage range: DC 11-25V
• Bluetooth receive distance: > 8m
• Audio input sensitivity: 600-800mV
• Frequency response range: 20Hz-20KHz
• Speaker impedance: Left/Right: 4-8 ohm, Bass: 2-8 ohm
• Size: 101 x 100 x 25 mm

Package Includes:

• 1x TPA3116D2 Bluetooth 2.1 Digital Audio Amplifier Board

• Schmitt trigger-limiter enabled power circuit for improved performance
• Hex-mode connection, stereo bridgeable for versatile configurations
• Higher efficiency with new RF MOSFET technology
• Continuously variable active crossovers for fine-tuned sound control

The Mono Amplifier Board features 4 transistors, utilizing two 5200 and two 1943 (not included), providing a powerful and reliable amplification solution. Compatible with DC supply voltage from 12V to 35V.

• Bluetooth 4.0 + EDR with a range of up to 10 meters
• Rated power output of 50W × 2 for high-quality audio performance
• Multiple input interfaces: Bluetooth, USB sound card, and AUX
• Voice prompts in English (female voice)

Discover our Mono Amplifier Board featuring 6 high-quality transistors. This amplifier board uses two 5200 and two 1943 transistors (not included), ensuring reliable performance. It operates on a supply voltage ranging from DC 12V to 24V, making it suitable for various audio applications.

Key Features:

• 6 high-quality transistors
• Uses 5200 and 1943 transistors
• Mono amplifier design
• Wide supply voltage range: DC 12V to 24V

• Digital Bluetooth Power Amplifier Board
• Supply Voltage: DC 12V ~ 24V
• Number of Channels: Two-channel stereo
• Output Power: 100W per channel (200W total output)

• Wireless Bluetooth audio receiver module
• High-quality lossless audio decoding
• Supports internal playback (M38)
• Compact and lightweight design

• Bluetooth Version: 5.0
• Operating Voltage: 3.7V ~ 24V DC
• Transmission Distance: Up to 15 meters (visible and unobstructed)
• Signal to Noise Ratio: ≥90dB

• 2-way frequency divider with bass and treble filtering
• Designed for speakers with 4-8 Ohm impedance
• Capable of handling power from 1000W to 1200W
• Frequency point at 2000Hz for optimal sound division

• Dual 15W output for superior audio performance
• Bluetooth 4.2 for seamless wireless audio streaming
• Works with 12V-24V input voltage for versatile power options
• Compact design for easy integration into various audio projects

Elevate your DIY audio projects with the TDA2030 Subwoofer 2.1 Amplifier Board. This powerful amplifier board features a dual AC12-15V power supply and provides 2x15W for stereo channels and 30W for the subwoofer. It's perfect for enhancing your speaker systems with high-quality sound and deep bass.

• Power supply: dual AC12-15V
• Current: greater than 3A
• Amplifier chip: TDA2030
• Power: 2X15W + 30W (subwoofer)
• Channel: 2.1 channels
• Low frequency response: 20Hz-200Hz
• Size (L*W*H): 83*108*57mm
• Weight: 164g

Package Includes: 1 x TDA2030 Subwoofer 2.1 Amplifier Board 15W*2+30W Sub Audio Stereo amplifier

• Supports 2.1 channel output (60W + 60W + 100W)
• Bass enhancement up to 100W
• Bluetooth 2.1 support for wireless audio streaming
• Audio line input, U disk, and TF card player compatibility

Introducing our Mono Amplifier Board featuring 12 high-quality transistors. This amplifier board uses two 5200 and two 1943 transistors (not included), ensuring robust performance. It operates on a supply voltage ranging from DC 12V to 45V, making it versatile for various audio applications.

Key Features:

• 12 high-quality transistors
• Uses 5200 and 1943 transistors
• Mono amplifier design
• Wide supply voltage range: DC 12V to 45V

• Professional-grade crossover for high-performance audio systems
• 700W power handling capability
• Three units for versatile audio management
• Designed for professional audio equipment