The Hikvision DS-QAE1A80G1-VB is a compact and versatile 80W IP network amplifier designed for two-zone public address systems, making it ideal for public, commercial, or institutional environments. Featuring IP connectivity, it supports remote management via HikCentral Professional software, enabling scheduled playback and broadcasting of audio content, including synthesized voice messages using male or female voices. The device offers multiple audio input options, including a 6.5 mm microphone input, two RCA inputs, USB 2.0, and Bluetooth 5.0 with a range of up to 10 meters, providing flexible audio management. Outputs include two 100V constant voltage speaker outputs and two RCA outputs, and the unit supports cascading up to three amplifiers. Each zone has independent volume controls, including separate knobs for the microphone and for each zone output. It integrates a 4 GB eMMC internal memory (1 GB allocated for audio file storage) and supports playback of MP3 and G.711 formats. Equipped with comprehensive protections against short circuits, overloads, overheating, electrostatic discharge, and power surges, the amplifier ensures safe and stable operation. With a frequency response of 80Hz–20kHz (±3dB), THD ≤ 1%, and SNR ≥ 100dB, it delivers high-quality audio performance. The device is housed in durable plastic, measures 190.8 × 230.8 × 51.2 mm, weighs approximately 1.5 kg, and operates on a 24V DC power supply.