Features: brand new and high quality Especially suitable for watching movies in 3D effect is for stronger. It is safe to use durable. Lightweight and portable to be taken outdoors. It is the best replacement for your old broken one. High-quality and cost-effective exquisite components from leading manufacturers. Specifications: Product model: YJ0023 Chip: NE5532 Input voltage: AC12V-0-AC12V or 15V Size: approx. 146x68x15mm/5.75x2.67x0.59in Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors the picture may not reflect the actual color of the item. Thank you! Package includes: 1Set x Tone Board