DNA QMIC4 - wireless microphone, 4x handheld transmitter

Built-in display: Yes | Display type: LCD | Package contents: Power supply | Package contents: Audio Cable x1 | Product colour: Silver | Package contents: User manual | Headphone frequency: 30 - 20000 Hz | Package contents: One Receiver unit | Package contents: AA battery x 8 | Package contents: Microphone x 4 | Package contents: Receiver antenna x 2 | Product colour: Graphite | Frequency range: 518 – 542 MHz | Product colour: Black | Power source type: Batteries | Power source type: Power socket | Product type: Set | Sample rate: 48 kHz | Latency: 3 ms | Warnings: Store away from heat and open flame. | Number of batteries: 2 | Total Harmonic Distortion (THD) + noise: 0.1% | Warnings: Do not open the appliance housing risk of electric shock. | Warnings: Avoid contact with liquids and moisture. | Directional characteristics: Cardioid | Battery type: AA