Description <br> Description: <br> Using NJM2150BBE audio processing chip, Modular circuit design, ready to use when power on, effectively improve the clarity of the high and low sounds of the audio signal, and the audiovisual effect is more realistic. <br> With BBE through switch (OFF-close, ON-open) <br> PCB Size: 41mm x 31mm <br> Working Voltage: DC 5V-12V (Recommend to use regulated power supply to avoid interference.) <br> <br> Material: PC+Metal <br> Color as shown <br> <br> Package Contents: <br> 1pcs x NJM2150 BBE Tone Preamplifier Board <br> 2pcs x Signal wires <br> 1pcs x Power wire <br> <br> Only the above package content, other products are not included. <br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>