Introduction: \nCombine the Trill 8815 speaker with the DH766 microphone to create a professional-grade wireless audio system. The Trill TR 8815 speaker delivers powerful amplification, while the DH766 microphone offers reliable wireless performance for a range of events and applications. Experience exceptional sound quality and versatility with this dynamic duo. \nTrill 8815 Speaker: \nThe Trill TR 8815 speaker is designed to impress. With its powerful and professional audio performance, this speaker amplifies music with clarity and precision. Made with high-quality materials, the Trill 8815 speaker is built to last and deliver an immersive sound experience. Its compact size and affordability make it suitable for various occasions and venues. \n \nDH766 Microphone: \n \nThe DH766 microphone is a wireless system designed for professional use. It provides two microphones, making it ideal for applications such as karaoke, sound source recording and amplifying, vocal concerts, conferences, parties, and more. The receiver, with its fixed frequency by quartz control, ensures reliable signal reception and superior sound quality. The microphones feature a unidirectional dynamic microphone element, delivering clear and focused audio. With a battery life of over 8 hours and a lightweight design, the DH766 microphone is convenient and reliable. \n \nSpecifications: \n \nReceiver: \n- Receiving system: Fixed frequency by quartz control \n- Receiving sensitivity: 60dB S/N ratio \n- Audio output level: Unbalanced mode of CHA+B: 0 ~ 0.5V/5K?, Unbalanced mode of CHA and CHB: 0 ~ 0.5V/50K? \n- Power supply: AC 110V / 220V (±10%) \n \nMicrophone: \n- RF power output: 15mW (shure) \n- Spurious emissions: Over 45dB carrier ware \n- Microphone element: Unidirectional dynamic microphone \n- Battery: Standard 9V battery AA \n- Current consumption: About 25mA \n- Battery life: Over 8 hours continuous operation \n- Weight: 227g \nConclusion: \nUpgrade your audio system with the Trill 8815 speaker and DH766 microphone. Experience powerful amplification and exceptional wireless performance for a wide range of events and applications. Whether you're hosting a concert, conference, party, or karaoke night, the Trill 8815 speaker and DH766 microphone combination provides professional-grade audio quality and versatility. Elevate your audio experience and ensure an immersive sound for your audience. \n \nSummary \n \nUpgrade your audio system with the Trill  speaker and DH766 microphone. The Trill TR 8815 offers powerful amplification, while the DH766 microphone provides a professional wireless system for various events. Elevate your audio experience with exceptional sound quality and versatility. Perfect for performances, conferences, parties, and more. \n \n