dc 12v 50w + 50w tpa3116d2ハイパワーデジタルオーディオパワーアンプボードブルーハードウェアハイテクモジュール開発ボード formulanej features:<br>1.it is safe to use, durable. <br>2.lightweight and portable to taken outside.<br>3.it is the best replacement for your old,broken one.<br>4.high-quality and cost-effective exquisite components from leading manufacturers.<br>5.the music volume, microphone volume, and reverberation time can be adjusted independently to achieve the singing effect.<br><br>description:<br>high power, high sensitivity.<br>suitable for household appliances such as various types of audio.<br><br>specifications:<br>chip type: tpa3116d2<br>supply voltage: dc12-24v<br>output power: 50w * 2<br>signal to noise ratio: 100db<br>number of channels: two-channel stereo<br>product size: 66 * 58 * 28mm <br><br>package included:<br>1pcs x digital audio amplifier board<br><br>notes:<br>1. due to the difference between different monitors, the picture may not reflect the actual color of the item. we guarantee the style is the same as shown in the pictures.<br>2. due to different personal measuring techniques, there might be 1-7cm error of the physical. thank you!