【High-Definition, Delay-Free Sound Transmission】This wireless audio transmitter utilizes advanced 5.8G technology to deliver high-definition sound quality with zero delay. Enjoy crisp and clear audio, perfect for a seamless listening experience whether you’re watching movies or playing games 【Wide Signal Transmission Range】With a transmission range of up to 50 meters, this device is perfect for use in large spaces. Effortlessly transmit digital audio signals (optical and coaxial) or analog stereo audio signals (3.5mm) to the receiver, ensuring high-quality sound across distances 【Simplified Setup with Automatic Connection】Forget about the hassle of repeatedly switching or setting audio output formats. The transmitter automatically connects to the receiver when powered on, offering a straightforward and user-friendly operation. Say goodbye to messy cables and complicated setups 【Versatile Input and Output Support】The transmitter supports optical fiber, coaxial, and 3.5mm interface input, while the receiver provides output options for optical fiber, coaxial, and 3.5mm interfaces. This flexible compatibility makes it ideal for various audio setups, including home theater systems, live streaming, and more 【Analog-to-Digital and Digital-to-Analog Conversion】This device supports both analog-to-digital and digital-to-analog conversions, providing versatile audio solutions for different applications. Additionally, the receiver can directly drive headphones, offering a personalized listening experience 【Enhanced Transmission with External Antenna】Equipped with an external antenna, the transmitter ensures better signal strength and stable transmission. Enjoy a reliable audio experience with minimal interference, even in busy environments like schools, squares, or electronic gaming venues Specifications: Maximum transmission distance: 50m RX power consumption: 5V/140mA TX power consumption: 5V/210mA RF frequency: 5800Mhz Transmit power: 14DB SNR: 67DB Frequency Range: 20HZ---20KHZ Output the highest level: 9Vp-p Working temperature: -40~+85℃ Storage ambient temperature: -60~+120℃ Working environment humidity: -10~90% RH Storage environment humidity: -5~95% RH Case material: Iron Transmitter Weight: 105g Receiver Weight: 105g