| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $16.91 | $16.57 | $16.05 | $15.36 | Contact US |
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Dual Channel Balanced Input Board Stereo Gain Input BTL Bridging Preamplifier Board with Imported JRC4558D Op Amp
Description:
- This board is equipped with a gain switch for volume amplification, which can meet the needs of different power amplifier boards.
- This board is equipped with control switches for stereo, mono input dual channel output, and BTL bridge output, making it convenient for users to use.
- The gain switch on this board increases sound when turned up, and decreases when turned down. In addition, the switch below is turned to the top for BTL bridging. Move to the middle for mono input and dual channel output. Dialing it down is for stereo output.
- Circuit board: adopting double-sided, blue ink, 1.6mm double-sided tin spray oxidation treatment.
- PCB design is beautiful and practical, and the production process is exquisite.
- The input of this board can be connected to balanced or unbalanced signals (when connecting unbalanced signals, the input GND and IN- can be connected in parallel)
Specification:
- Working voltage: dual DC12-15V (about 1A)
- Size: 108 x 76mm
Package Included:
- 1 x Preamplifier Board
Note:
- The circuit board comes in two colors, blue and purple, and is shipped randomly. Thanks for your understanding.
