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2.1 Bluetooth Digital Power Amplifier Board TPA3118 2x30W + 60W Subwoofer Support Virtual Surround Function
Description:
- The powerful output power and advanced audio adjustment function of this amplifier can work well with various types of 2.1 Audio speaker systems and yield a superior audio playback quality. With virtual surrounding feature based on analog circuit, a surround effect can even be produced in between of two closely placed speakers. The excellent small form-factor design and optimized panel layout enables it to be embedded in various sound system designs.
Features:
- Direct-path preamplifier circuit. External analog signal and bluetooth or MP3 player can ba used simultaneously. External analog signal does not pass through the bluetooth receiver to keep the purity of original input signal to the preamplifier stage.
- Adjustable gain and Crossover frequency bass Sallen-Key filter design.
- Adjustable treble and mid-bass level of left and right channels.
- Virtual surround function based on pure analog circuits. Adjusting surround knob to middle to disable this function.
- Original TPA3118 amplifier power stage for Texas Instruments. Advanced protection functions including overload shutdown, overvoltage shutdown, output short-circuit protection, over-temperature protection and output DC protection.
Specification:
- Input DC voltage: 8 - 26V DC
- Input AC voltage: dual 7 - 18V AC
- Input analog signal level: 1Vrms
- Output power: L+R 30Wx2 at 8ohms 24.6V DC and subwoofer 60W at 4ohms 24.6V DC
- Bluetooth connection type: BT V2.1 EDR
- MP3 supported files type: MP3, AAC, WAV
- DAC: 2CH 44.1kHz 16bits
- Supported speaker impedance: 4-8ohms for L&R; 2-8ohms for subwoofer
- Product size: 82 x 78 x 25mm
- Net weight: 78.5g
FAQ:
Q: Can my speaker work with this amplifier?
A: The amplifier is able to work with 4Ω speakers for L&R channels and 2Ω for subwoofer channel. 8Ω, 12Ω and 16Ω speakers can be used also. The audio adjusting features enabled users to compensate limitations of different types of speakers and provide a superior audio quality. When using, users should pay attentions to the volume to avoid small power speakers being overloaded.
Q: What is the recommended power supply?
A: A laptop power adapter with 20V output is recommended.
Package Included:
- 1 x Power Amplifier Board
