Product Name: HD23 IoT Digital Amplifier Brand: AVCS®

Applicable Scenes: Amplification systems for teaching, conferences, government-enterprise, and other Internet of Things integration scenarios.

I. Product Overview:

This unit features a standard 1U industrial case with a sleek aluminum alloy panel and a robust overall structure, highlighting a modern and high-end grade. It boasts comprehensive and reliable safety protection measures (safety protection, short-circuit protection, overload protection, amplitude limitation protection, DC protection) and working status indicators, ensuring user peace of mind. The product utilizes imported Infineon MOSFETs, an internally mounted high-efficiency switching power supply, imported high-speed, high-frequency, low-resistance capacitors with high withstand voltage, a high-efficiency heat sink, and an intelligent low-noise cooling method to ensure smooth operation under large dynamic workloads.

II. Features:

1. Integrated power amplifier and volume control functionality, with a power amplifier data collection and analysis system platform for IoT control.

2. Centralized IoT control with built-in digital volume control; tablet direct volume control, supporting dual feedback slider control.

3. Supports reading device information, such as CPU, signal-to-noise ratio, memory, firmware version, and more.

4. Built-in temperature IoT sensor, displaying the current temperature through the central control system for a direct assessment of the equipment's operational status.

5. Built-in humidity IoT sensor, displaying the current humidity via the central control system for direct assessment of the equipment's operating environment.

6. The built-in high-efficiency MCU enables efficient connection with peripheral devices.

7. Features one-touch mute functionality, individual mute switches for Channels A or B, allowing for independent control of output channels.

8. Equipped with multiple serial interfaces including RS485, RS232, network port, and fiber optics, offering various communication options. It allows for remote editing and control via third-party solutions and is also suitable for device configuration and status information viewing.

9. Employing an efficient switching power supply and a high-fidelity D-class amplification scheme, it ensures both clear sound quality and enhanced overall efficiency of the unit.

10. Digital LCD interface display, capable of real-time display of LR volume, temperature, sensitivity, and current volume value size, as well as real-time display of the current working status.

III. Basic Parameters:

8Ω Output Power: 300W x 2

4Ω output power: 540W x 2

Limit Protection: Up to 10V

Frequency Response: 20Hz - 20KHz (±0.3dB)

Input Sensitivity: 0.775 dB

Total Harmonic Distortion: <0.05%@8Ω1kHz

Signal-to-Noise Ratio: ≥110dB

Damping Coefficient: ≥500

Intermodulation Distortion: ≤0.02%

Installation Space: 1U

Operating Voltage Range: AC 200-240V / 50Hz-60Hz

Body Packaging Dimensions: 483*269*48/530*350*90mm

Net Weight/Gross Weight: 2.85kg/3.6kg